IDT CORP
10-Q, 1999-06-14
COMPUTER INTEGRATED SYSTEMS DESIGN
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<PAGE>

                      SECURITIES AND EXCHANGE COMMISSION
                            Washington, D.C. 20549


                                   FORM 10-Q


     [X]  Quarterly Report Pursuant to Section 13 or 15(d) of the Securities
               Exchange Act of 1934 for the Quarterly Period Ended April 30,
               1999

                                      or

     [ ]  Transition Report Pursuant to Section 13 or 15(d) of the Securities
               Exchange Act of 1934


                        Commission File Number: 0-27898
                                                -------

                                IDT CORPORATION
            (Exact Name of Registrant as Specified in its Charter)


              Delaware                                           22-3415036
              --------                                           ----------
    (State or Other Jurisdiction of                           (I.R.S. Employer
     Incorporation or Organization)                          Identification No.)

190 Main Street, Hackensack, New Jersey                             07601
- ---------------------------------------                             -----
(Address of Principal Executive Office)                           (Zip Code)


                                (201) 928-1000
                                --------------
             (Registrant's Telephone Number, Including Area Code)

                                Not Applicable
                                --------------
  (Former Name, Former Address, and Former Fiscal Year, if Changed Since Last
                                   Report.)


         Indicate by check mark whether the registrant (1) has filed all reports
required to be filed by Section 13 or 15(d) of the Securities Exchange Act of
1934 during the preceding 12 months (or for such shorter period that the
registrant was required to file such reports), and (2) has been subject to such
filing requirements for the past 90 days. Yes X  No __
                                             ---
Common Stock, $.01 par value - 23,875,174 shares as of June 11, 1999 Class A
Common Stock, $.01 par value - 10,129,517 shares as of June 11, 1999
(Indicate the number of shares outstanding of each of the issuer's classes of
               common stock, as of the latest practicable date)
<PAGE>

                                IDT CORPORATION

                               Table Of Contents

<TABLE>
<S>                                                                                                            <C>
PART I.  FINANCIAL INFORMATION

     Item 1.  Financial Statements (Unaudited).............................................................     3

               Condensed Consolidated Balance Sheets as of April 30, 1999
                  and July 31, 1998........................................................................     3

               Condensed Consolidated Statements of Income for the nine months
                  and three months ended April 30, 1999 and 1998...........................................     4

               Condensed Consolidated Statement of Stockholders' Equity
                  for the nine months ended April 30, 1999.................................................     5

               Condensed Consolidated Statements of Cash Flows for the
                  nine months ended April 30, 1999 and 1998................................................     6

               Notes to Condensed Consolidated Financial Statements........................................     7

     Item 2.   Management's Discussion and Analysis of Financial Condition and Results of Operations.......    10

PART II.       OTHER INFORMATION...........................................................................    17

     Item 1.   Legal Proceedings...........................................................................    17

     Item 2.   Changes in Securities.......................................................................    17

     Item 3.   Defaults Upon Senior Securities.............................................................    17

     Item 4.   Submission of Matters to a Vote of Security Holders.........................................    17

     Item 5.   Other Information...........................................................................    17

     Item 6.   Exhibits and Reports on Form 8-K............................................................    18

     SIGNATURES............................................................................................    20
</TABLE>
<PAGE>

PART I. FINANCIAL INFORMATION
Item 1. Financial Statements
                                IDT CORPORATION
                     CONDENSED CONSOLIDATED BALANCE SHEETS
                     (In thousands, except per share data)

<TABLE>
<CAPTION>
                                                                         April 30, 1999          July 31, 1998
                                                                         --------------          -------------
ASSETS                                                                    (Unaudited)             (Note 1)
                                                                                      (in thousands)
<S>                                                                      <C>                     <C>
Current assets:
  Cash and cash equivalents                                                    $ 20,019               $115,284
  Marketable securities                                                          82,922                 60,309
  Accounts receivable, net                                                       78,469                 38,038
  Notes receivable - current portion                                              2,140                  2,140
  Other current assets                                                           29,692                 12,096
                                                                               --------               --------
    Total current assets                                                        213,242                227,867

  Property and equipment, at cost, net                                          103,783                 75,332
  Notes receivable - long-term portion                                           33,616                 21,768
  Goodwill, net                                                                  75,633                 74,222
  Deferred tax assets, net                                                        7,132                 10,750
  Other assets                                                                   29,272                  7,257
                                                                               --------               --------
    Total assets                                                               $462,678               $417,196
                                                                               ========               ========

LIABILITIES AND  STOCKHOLDERS' EQUITY
Current liabilities:
  Trade accounts payable                                                       $ 53,616               $ 38,794
  Accrued expenses                                                                2,640                  3,499
  Interest payable                                                                    -                  3,943
  Deferred revenue                                                               16,498                  9,175
  Notes payable -- current portion                                                1,769                  1,866
  Capital lease obligations -- current portion                                    5,867                  3,989
  Other current liabilities                                                       5,168                    220
                                                                               --------               --------
    Total current liabilities                                                    85,558                 61,486

Notes payable -- long-term portion                                              100,556                101,834
Capital lease obligation -- long-term portion                                    17,354                 11,232
                                                                               --------               --------
   Total liabilities                                                            203,468                174,552

Minority interest                                                                 1,669                  3,896

Stockholders' equity:
   Preferred stock, $.01 par value; authorized shares -                               -                      -
    10,000,000; no shares issued
   Common stock, $.01 par value; authorized shares -                                238                    228
    100,000,000; 23,796,770 and 22,848,866 shares issued and
    outstanding at April 30, 1999 and July 31, 1998, respectively
   Class A stock, $.01 par value; authorized shares -                               101                    103
    35,000,000; 10,129,517 and 10,255,668 shares issued and
    outstanding at April 30, 1999 and July 31, 1998, respectively
   Additional paid-in capital                                                   276,546                266,762
   Accumulated deficit                                                          (19,344)               (28,345)
                                                                               --------               --------
     Total stockholders' equity                                                 257,541                238,748
                                                                               --------               --------
       Total liabilities and stockholders' equity                              $462,678               $417,196
                                                                               ========               ========
</TABLE>

           See notes to condensed consolidated financial statements

                                       3
<PAGE>

                                IDT CORPORATION

                  CONDENSED CONSOLIDATED STATEMENTS OF INCOME
                     (In thousands, except per share data)
                                  (Unaudited)

<TABLE>
<CAPTION>
                                                           Nine Months Ended April 30,         Three Months Ended April 30,
                                                           --------------------------          -----------------------------
                                                            1999                 1998            1999                 1998
                                                            ----                 ----            ----                 ----
<S>                                                   <C>                    <C>                 <C>             <C>
Revenues                                              $   485,770            $   212,815         $   191,751     $    87,112

Costs and expenses:
   Direct cost of revenues...................             377,849                151,814             150,183          59,505
   Selling, general and administrative.......              70,772                 44,050              29,966          20,344
   Depreciation and amortization.............              18,637                  6,553               6,902           2,766
                                                      -----------            -----------         -----------     -----------

   Total costs and expenses..................             467,258                202,417             187,051          82,615
                                                      -----------            -----------         -----------     -----------
Income from operations.......................              18,512                 10,398               4,700           4,497

Interest and other, net......................                  (9)                  (446)               (153)            338
Income before provision for income
   taxes and minority interest...............              18,503                  9,952               4,547           4,835

Provision for income taxes...................               6,897                      -               2,071               -
Minority interest............................               2,605                      -                 420               -
                                                      -----------            -----------         -----------     -----------
Net income...................................         $     9,001            $     9,952         $     2,056     $     4,835
                                                      ===========            ===========         ===========     ===========


Net income per share - basic.................         $      0.27            $      0.36         $      0.06           $0.17
                                                      ===========            ===========         ===========     ===========

Weighted average number of
   shares used in calculation of
   earnings per share - basic................          33,431,628             27,528,325          33,648,800      28,881,382
                                                      ===========            ===========         ===========     ===========

Net income per share - diluted...............         $      0.25            $      0.32         $      0.06     $      0.15
                                                      ===========            ===========         ===========     ===========

Weighted average number of
      shares used in calculation of
      earnings per share - diluted...........          35,404,696             30,808,692          35,730,964      32,693,177
                                                      ===========            ===========         ===========     ===========
</TABLE>

           See notes to condensed consolidated financial statements.

                                       4
<PAGE>

                                IDT CORPORATION

           CONDENSED CONSOLIDATED STATEMENT OF STOCKHOLDERS' EQUITY

                                  (Unaudited)

<TABLE>
<CAPTION>
                                                                                                                    Total
                                   Common Stock            Class A Stock         Additional      Accumulated    Stockholders'
                                 Shares      Amount     Shares       Amount    Paid-in Capital     Deficit         Equity
                               ----------  ---------  ----------   ----------  ---------------   ------------   -------------
<S>                            <C>         <C>        <C>          <C>         <C>               <C>            <C>
Balance at July 31, 1998       22,848,866  $ 228,489  10,255,668   $  102,557  $   266,761,770   $(28,344,744)  $ 238,748,072

 Exercise of stock options        622,749      6,227           -            -        3,117,943              -   $   3,124,170

 Conversion of Class A
  Stock to Common Stock           126,151      1,262    (126,151)      (1,262)              -               -               -

 Exercise of warrants              99,004        990           -            -          737,502              -         738,492

 Income tax benefits
  from stock options exercised          -          -           -            -        3,279,306              -       3,279,306

Issuance of Common
  Stock in connection with
  acquired business               100,000      1,000           -            -        2,649,000              -       2,650,000

Net income for the
  nine months ended
  April 30, 1999                        -         -            -            -                -      9,000,994       9,000,994
                               ----------  ---------  ----------   ----------  ---------------   ------------   -------------
Balance at April 30, 1999      23,796,770  $ 237,968  10,129,517   $  101,295  $   276,545,521   $(19,343,750)  $ 257,541,035
                               ==========  =========  ==========   ==========  ===============   ============   =============
</TABLE>

           See notes to condensed consolidated financial statements.

                                       5
<PAGE>

                                IDT CORPORATION

                CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS
                     (In thousands, except per share data)
                                  (Unaudited)

<TABLE>
<CAPTION>
                                                                      Nine Months Ended April 30,
                                                                      ----------------------------
                                                                        1999                1998
                                                                      ---------           --------
                                                                             (in thousands)
<S>                                                                   <C>                 <C>
Cash provided by (used in) operating activities..............         $ (22,882)          $ (1,726)

Investing activities
Receipt of payments on advance...............................                                1,291
Purchase of short-term investments...........................           (22,613)           (10,917)
Escrow deposit on pending purchase...........................                              (20,000)
Issuance of notes receivable.................................           (11,848)            (9,000)
Purchase of property and equipment...........................           (31,836)           (25,398)
Distribution of minority interests...........................            (4,831)                --
                                                                       --------            -------
Net cash used in investing activities........................           (71,128)           (64,024)

Financing activities
Repayment of loans payable...................................            (1,374)            (3,306)
Proceeds from Convertible Debentures.........................                --              7,500
Repayment of capital lease obligations.......................            (3,742)            (1,509)
Proceeds from exercise of stock options......................             3,124              4,828
Proceeds from stock option - minority interest...............                --                100
Proceeds from exercise of stock warrants.....................               738                440
Proceeds from secondary offering.............................                --            118,540
Proceeds from senior debt offering...........................                --             97,000
Proceedds from notes.........................................                --              3,093
                                                                      ---------           --------

Net cash (used in) provided by financing activities..........            (1,254)           226,686
                                                                      ---------           --------

Net (decrease) increase in cash and cash equivalents.........           (95,264)           160,936

Cash and cash equivalents, beginning of period...............           115,283              7,674
                                                                      ---------           --------

Cash and cash equivalents, end of period.....................         $  20,019           $168,610
                                                                      =========           ========
Supplemental disclosures of cash flow information
Interest paid................................................         $  10,419           $  3,185
Income taxes paid............................................                --                 --
</TABLE>


           See notes to condensed consolidated financial statements.

                                       6
<PAGE>

                                IDT CORPORATION

             NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

Note 1 - Basis of Presentation

     The accompanying unaudited condensed consolidated financial statements of
IDT Corporation and subsidiaries (collectively "the Company") have been prepared
in accordance with generally accepted accounting principles for interim
financial information and with the instructions to Form 10-Q and Article 10 of
Regulation S-X.  Accordingly, they do not include all of the information and
footnotes required by generally accepted accounting principles for complete
financial statements.  In the opinion of management, all adjustments (consisting
of normal recurring accruals) considered necessary for a fair presentation have
been included.  Operating results for the nine months and three months ended
April 30, 1999 are not necessarily indicative of the results that may be
expected for the year ending July 31, 1999.  For further information, please
refer to the consolidated financial statements and footnotes thereto included in
the Company's Annual Report on Form 10-K/A for the year ended July 31, 1998, as
filed with the Securities and Exchange Commission.

Note 2 - Summary of Significant Accounting Policies

Segment Information

     The Company must adopt SFAS 131, Disclosures about Segments of an
Enterprise and Related Information in fiscal 1999.  Because Statement 131 is not
required to be applied to interim financial statements in the initial year of
adoption, the Company is not required to disclose segment information in
accordance with Statement 131 until its fiscal 1999 annual report, at which time
it will restate prior years' segment disclosure to conform to the Statement 131
segment presentation, if practicable.  In the Company's first quarter fiscal
2000 report, and in subsequent quarters, it will present the interim disclosure
required by Statement 131 for both 2000 and 1999.

Note 3 - Property and Equipment

     Property and equipment consists of the following:

<TABLE>
<CAPTION>
                                             April 30, 1999             July 31, 1998
                                             --------------             -------------
<S>                                          <C>                        <C>
Equipment                                      $109,550,435               $77,612,461
Computer software                                13,457,664                10,027,335
Leasehold improvements                            3,387,340                 1,930,769
Furniture and fixtures                            2.297,431                 1,905,048
Building and Improvements                         6,301,490                        --
                                             --------------             -------------
                                                134,994,360                91,475,613

Less: Accumulated depreciation
    and amortization                             31,210,988                16,143,137
                                            ---------------             -------------
                                            $   103,783,372               $75,332,476
                                            ===============             =============
</TABLE>

Note 4 - Legal Proceedings and Contingencies


     In December 1995, Surfers Unlimited, L.L.C. filed a breach of contract
action in the New Jersey Superior Court, Bergen County. The suit names a
subsidiary of the Company as defendant and seeks restitutional and consequential
damages in an unspecified amount for interference with prospective business
advantages, breach of contract and improper use of confidential and proprietary
information. Howard S. Jonas, the Chairman and Chief Executive Officer of the
Company, has also been named as a defendant in the action. The suit is currently
in the discovery phase. A trial date has not been
scheduled to date.

                                       7
<PAGE>

     In January 1997, six former employees alleging employment discrimination
commenced a suit in New Jersey Superior Court, Bergen County. Howard S. Jonas,
the Chairman and Chief Executive Officer of the Company, has also been named as
a defendant in the action. The action claims that the Company has made hiring
and promotion decisions based upon the religious backgrounds of the relevant
individuals, in violation of federal and state law. The complaint seeks
compensatory and punitive damages in an unspecified amount and also seeks
statutory multiples of damages. All of the claims arising under federal law were
dismissed by the Court in New Jersey Superior Court, Bergen County, leaving the
plaintiffs with only the remedies available under state law. Further, the Court
granted the Company permission to file counterclaims against all plaintiffs for
the alleged unlawful taking of business records. The Company filed such
counterclaims in October 1998. Discovery is continuing and a settlement
conference has been scheduled for June 15, 1999.

     In June 1997, an uncertified class action suit seeking compensatory damages
in an unspecified amount was filed against the Company in New York Supreme
Court, New York County. The suit concerns advertisements that are no longer used
by the Company, and advertising practices that were voluntarily terminated by
the Company following a prior investigation of the Company by the Attorneys
General of several states.  In December 1998, the Court denied the Company's
motion for summary judgment; however, the Court limited the class to include
only citizens of the State of New York.  This class action suit was discontinued
with prejudice since the class representatives agreed to withdraw their claims
voluntarily.

     The Company filed a lawsuit against Mr. Glen Miller in August 1997 in the
New Jersey Superior Court, Bergen County. The action was based upon various
matters arising out of Mr. Miller's employment with IDT. Mr. Miller answered the
complaint and filed a counterclaim against the Company seeking compensatory and
punitive damages for breach of his employment contract and breach of the
covenant of good faith and fair dealing. Mr. Miller alleges that the Company
breached his employment agreement by failing to compensate him as contemplated
by his employment agreement, including by failing to deliver to him 20,000
shares of the Company's Common Stock. Mr. Miller also filed a third-party
complaint against Howard Balter, the former Chief Operating Officer of the
Company and the current Chief Executive Officer of Net2Phone, a subsidiary of
the Company, and Jonathan Rand, the Company's former Director of Human
Resources and the current Executive Vice President of International Sales and
the Treasurer of Net2Phone, for fraudulent conduct and misrepresentation. The
Company filed its answer to Mr. Miller's counterclaim in December 1997. In
January 1998, the Court partially granted Mr. Miller's motion for summary
judgment, awarding him severance pay in the amount of approximately $50,000. The
Company's motion for leave to appeal this award was denied. The Company entered
into a settlement agreement pursuant to which the Company agreed to permit Mr.
Miller to exercise the 20,000 options to purchase shares of the Company's Common
Stock granted to him by the Company and to release previously escrowed funds.
Both the Company and Mr. Miller signed a Stipulation of Dismissal with
Prejudice.

     In December 1998, PT-1 Communications, Inc. ("PT-1") filed a complaint
against the Company claiming, among other things, that the Company violated its
service marks and trade dress in connection with the sale and marketing of phone
cards.  The Company and PT-1 shortly thereafter entered into a confidential
settlement agreement in December 1998.  Subsequent to December 1998, PT-1 filed
a motion for a preliminary injunction to enforce and compel the Company's
compliance with the settlement agreement, which it alleges was breached by the
Company.  The Company filed opposition papers to the motion and simultaneously
filed a motion for a preliminary injunction.  The Company and PT-1 thereafter
entered into a confidential settlement agreement.  PT-1 subsequently filed a
third complaint which was dismissed by the Court on its own motion on the basis
that PT-1 had no claim.

     In August 1998, a subsidiary of the Company, InterExchange, Inc. ("IX"),
filed a complaint in the New Jersey Superior Court, Middlesex County, against
PT-1.  The action has been removed to the U.S. District Court for the District
of New Jersey.  The action arises from a contract in which IX and PT-1 agreed
that PT-1 would route its traffic from prepaid calling cards through IX's debit
card platform.  In the action, IX claimed that PT-1 breached its contract with
IX by failing to make required payments under the contract, and claimed
compensatory damages in the amount of $8.5 million.  In February 1999, PT-1
filed an answer and counterclaim and third party complaint against IX, the
Company, and certain of their officers, including Howard Jonas.  PT-1 alleges
that IX is not entitled to these payments in that IX had breached the agreement,
and that, following IX's 1998 merger agreement with the Company, in which IX
become a wholly-owned subsidiary of the Company, IX violated its covenant in the
agreement that it would not compete with PT-1.  PT-1 also alleges, among other
things, that the Company and Mr. Jonas tortiously interfered with the contract
between IX and PT-1, and that they conspired with IX and its personnel

                                       8
<PAGE>

to obtain confidential information relating to PT-1. PT-1 seeks compensatory
damages and punitive damages. In May 1999, the Company and Howard Jonas filed an
answer to PT-1's third party complaint and IX filed a motion for leave to amend
their complaint to add Star Telecommunications and Samer Tawfik as additional
defendants and to include the additional claims of tortious interference and
fraud in the inducement. The Company and individual plaintiffs David Turock,
Eric Hecht, Bradley Turock and Richard Robbins have sought leave to amend their
counterclaims to include Star Telecommunications as an additional defendant for
failure to permit plaintiff IX to execute certain stock warrants to purchase PT-
1 stock. The Court has issued an order which provides that PT-1 may not allege a
specific amount of damages although the order does not forbid PT-1 from claiming
damages in general.

     The Company is subject to other legal proceedings and claims which have
arisen in the ordinary course of its business and have not been finally
adjudicated. Although there can be no assurances in this regard, in the opinion
of the Company's management, such proceedings, as well as the aforementioned
actions, will not have a material adverse effect on results of operations or the
financial condition of the Company.

                                       9
<PAGE>

Item 2.

                     MANAGEMENT'S DISCUSSION AND ANALYSIS
               OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS

     The following information should be read in conjunction with the
accompanying condensed consolidated financial statements and the associated
notes thereto of this Quarterly Report, and the audited consolidated financial
statements and the notes thereto and Management's Discussion and Analysis of
Financial Condition and Results of Operations of the Company contained in the
Company's Annual Report on Form 10-K/A for the year ended July 31, 1998, as
filed with the Securities and Exchange Commission.

Overview

     The Company is a leading multinational carrier that provides its wholesale
and retail customers with integrated and competitively priced international and
domestic long distance telecommunications service, Internet access and, through
its Net2Phone products and services, Internet telephony services.  The Company
delivers these services over a high-quality network consisting of 68 switches in
the U.S. and Europe and owned and leased capacity on 18 undersea fiber optic
cables.  In addition, the Company obtains additional transmission capacity from
other carriers.

     The Company delivers its international traffic worldwide pursuant to its
agreements with U.S.-based carriers, foreign carriers, and 17 of the companies
that are primarily responsible for providing telecommunications services in
particular countries (which are commonly referred to as "PTTs").  In addition,
the Company maintains a high-speed network that carries Internet traffic in
order to support both its Internet access services and its Internet telephony
services.

Nine Months Ended April 30, 1999 Compared to Nine Months Ended April 30, 1998

Results of Operations

     Revenues.  Revenues increased 128.3% from approximately $212.8 million for
the nine months ended April 30, 1998 to approximately $485.8 million for the
nine months ended April 30, 1999.  Telecommunications revenues increased 138.0%
from approximately $189.9 million for the nine months ended April 30, 1998 to
approximately $452.1 million for the nine months ended April 30, 1999.  Internet
access revenues decreased 16.3% from approximately $15.3 million for the nine
months ended April 30, 1998 to approximately $12.8 million for the nine months
ended April 30, 1999.  Internet telephony revenues increased 173.6% from
approximately $7.6 million for the nine months ended April 30, 1998 to
approximately $20.8 million for the nine months ended April 30, 1999.

     Telecommunications revenues increased primarily as a result of an increase
in minutes of use from approximately 482.3 million for the nine months ended
April 30, 1998 to approximately 1.9 billion for the nine months ended April 30,
1999.  The increase in minutes was primarily due to the addition of wholesale
carrier service clients, increased usage by existing clients, and increased
marketing of the Company's prepaid calling cards.  The addition of wholesale
carrier services clients and the increased use by existing clients resulted in
an increase in wholesale carrier services revenues of 50.8%, from approximately
$118.4 million for the nine months ended April 30, 1998 to approximately $178.6
million for the nine months ended April 30, 1999.  As a percentage of
telecommunications revenues, wholesale carrier service revenues decreased from
approximately 62.4% to 39.5%, primarily due to the significant increase in
prepaid calling card revenues both in real dollars and as a percentage of
overall telecommunications revenues.  Revenues from sales of prepaid calling
cards increased 394.8% from approximately $50.4 million for the nine months
ended April 30, 1998 to approximately $249.4 million for the nine months ended
April 30, 1999 as a result of increased marketing efforts and the Company's
purchase of a majority interest in Union Telecard Alliance, LLC, a prepaid
calling card distributor, in May 1998.  As a percentage of telecommunications
revenues, prepaid calling card revenues increased from approximately 26.6% to
55.1%.  As a percentage of telecommunications revenues, international retail
services revenues (which consist primarily of call reorigination services)
decreased from approximately 8.9% to 3.7%.

                                       10
<PAGE>

     As a percentage of total revenues, Internet access revenues decreased from
approximately 7.2% for the nine months ended April 30, 1998 to approximately
2.6% for the nine months ended April 30, 1999.  This decrease was due to the
substantial increase in telecommunications revenues as a percentage of total
revenues, as well as a dollar decrease in Internet access revenues due to a
decrease in total dial-up subscribers.

     Internet telephony revenues as a percentage of total revenues increased
from 3.6% for the nine months ended April 30, 1998 to 4.3% for the nine months
ended April 30, 1999.  The increase in Internet telephony revenues was primarily
due to an increase in billed-minute usage resulting from increased marketing of
the Company's Internet telephony products and services.

     Direct Cost of Revenues.  The Company's direct cost of revenues increased
by 148.9%, from approximately $151.8 million for the nine months ended April 30,
1998 to approximately $377.8 million for the nine months ended April 30, 1999.
As a percentage of total revenues, these costs increased from 71.3% for the nine
months ended April 30, 1998 to 77.8% for the nine months ended April 30, 1999.
The dollar increase is due primarily to increases in underlying carrier and
connectivity costs, as the Company's telecommunications minutes of use, and
associated revenues, grew substantially.  As a percentage of total revenues, the
increase in direct costs reflects lower gross margins associated with wholesale
carrier services and prepaid calling card services as compared with
international retail and Internet access services.  Gross margins were also
adversely affected by network constraints as demand for usage outpaced the rate
of deployment of additional network capacity.

     Selling, General and Administrative.  Selling, general and administrative
costs increased 60.5% from approximately $44.1 million for the nine months ended
April 30, 1998 to approximately $70.8 million for the nine months ended April
30, 1999.  As a percentage of total revenues, these costs decreased from 20.7%
for the nine months ended April 30, 1998 to 14.6% for the nine months ended
April 30, 1999.  The increase in these costs in dollar terms is due primarily to
increased sales and marketing efforts for retail services, including prepaid
calling cards, domestic and international long distance, Net2Phone and Net2Phone
Direct.  As a percentage of total revenues, the decrease was due primarily to
the substantial increase in total revenues for the nine months ended April 30,
1999.

     Depreciation and Amortization.  Depreciation and amortization increased
181.8% from approximately $6.6 million for the nine months ended April 30, 1998
to approximately $18.6 million for the nine months ended April 30, 1999.  As a
percentage of revenues, these costs increased from 3.1% for the nine months
ended April 30, 1998 to 3.8% for the nine months ended April 30, 1999. These
costs increased primarily as a result of the Company's higher fixed asset base
during the nine months ended April 30, 1999 as compared with the nine months
ended April 30, 1998 due to the Company's efforts to expand its
telecommunications network infrastructure, enhance its Internet network and
expand its facilities.  The Company anticipates that depreciation and
amortization will continue to increase as the Company continues to implement its
growth strategy.

     Income from Operations.  The Company's income from operations increased
77.9% from approximately $10.4 million for the nine months ended April 30, 1998
to approximately $18.5 million for the nine months ended April 30, 1999.  Income
from operations for the Company's telecommunications business increased 87.9%
from approximately $15.7 million for the nine months ended April 30, 1998 to
approximately $29.5 million for the nine months ended April 30, 1999.  As a
percentage of telecommunication revenues, income from operations for the
telecommunications business decreased to 6.5% for the nine months ended April
30, 1999 from approximately 8.3% for the nine months ended April 30, 1998.

     Loss from operations for the Company's Internet access business increased
to approximately $6.2 million for the nine months ended April 30, 1999 from
approximately $4.9 million for the nine months ended April 30, 1998. The
increased loss is primarily due to the decrease in Internet access revenues
resulting from a decrease in total dial-up subscribers.

     Loss from operations of the Net2Phone division increased to approximately
$4.7 million for the nine months ended April 30, 1999 from approximately
$459,000 for the nine months ended April 30, 1998.  The increased loss is
primarily due to the substantial increase in selling, general and administrative
costs as the Company expands its Internet telephony infrastructure and seeks to
gain additional market share for its Internet telephony products and services.

                                       11
<PAGE>

     Income Taxes.  The Company recorded income tax expense of $6.9 million for
the nine months ended April 30, 1999.  An income tax benefit of $3.3 million
related to the tax deduction upon the exercise of stock options was recorded
directly into additional paid-in capital.  The Company did not record an income
tax benefit for the nine months ended April 30, 1998 as the realization of
available tax losses was not probable at that time.

Three Months Ended April 30, 1999 Compared to Three Months Ended April 30, 1998

     Revenues.  Revenues increased 120.2% from approximately $87.1 million for
the three months ended April 30, 1998 to approximately $191.8 million for the
three months ended April 30, 1999.  Telecommunications revenues increased 126.5%
from approximately $79.1 million for the three months ended April 30, 1998 to
approximately $179.2 million for the three months ended April 30, 1999.
Internet access revenues decreased 19.2% from approximately $5.2 million for the
three months ended April 30, 1998 to approximately $4.2 million for the three
months ended April 30, 1999.  Internet telephony revenues increased 196.4% from
approximately $2.8 million for the three months ended April 30, 1998 to
approximately $8.3 million for the three months ended April 30, 1999.

     Telecommunications revenues increased primarily as a result of an increase
in minutes of use from approximately 210.4 million for the three months ended
April 30, 1998 to approximately 745.2 million for the three months ended April
30, 1999.  The increase in minutes was primarily due to the addition of
wholesale carrier service clients, increased usage by existing clients, and
increased marketing of the Company's prepaid calling cards.  The addition of
wholesale carrier services clients and the increased use by existing clients
resulted in an increase in wholesale carrier services revenues of 69.8%, from
approximately $44.4 million for the three months ended April 30, 1998 to
approximately $75.4 million for the three months ended April 30, 1999.  As a
percentage of telecommunications revenues, wholesale carrier service revenues
decreased from approximately 56.1% to 42.1%, primarily due to the significant
increase in prepaid calling card revenues both in real dollars and as a
percentage of overall telecommunications revenues.  Revenues from sales of
prepaid calling cards increased 255.6% from approximately $27.0 million for the
three months ended April 30, 1998 to approximately $96.0 million for the three
months ended April 30, 1999 as a result of increased marketing efforts and the
Company's purchase of a majority interest in Union Telecard Alliance, LLC, a
prepaid calling card distributor in May 1998.  As a percentage of
telecommunications revenues, prepaid calling card revenues increased from
approximately 34.2% to 53.6%.  As a percentage of telecommunications revenues,
international retail services revenues (which consist primarily of call
reorigination services) decreased from approximately 7.7% to 2.8%.

     As a percentage of total revenues, Internet access revenues decreased from
approximately 6.0% for the three months ended April 30, 1998 to approximately
2.2% for the three months ended April 30, 1999.  This decrease was due to the
substantial increase in telecommunications revenues as a percentage of total
revenues, as well as a dollar decrease in Internet access revenues due to a
decrease in total dial-up subscribers.

     Internet telephony revenues as a percentage of total revenues increased
from 3.2% for the three months ended April 30, 1998 to 4.4% for the three months
ended April 30, 1999.  The increase in Internet telephony revenues was primarily
due to an increase in billed-minute usage resulting from increased marketing of
the Company's Internet telephony products and services.

     Direct Cost of Revenues.  The Company's direct cost of revenues increased
by 152.4%, from approximately $59.5 million in the three months ended April 30,
1998 to approximately $150.2 million in the three months ended April 30, 1999.
As a percentage of total revenues, these costs increased from 68.3% for the
three months ended April 30, 1998 to 78.3% for the three months ended April 30,
1999.  The dollar increase is due primarily to increases in underlying carrier
and connectivity costs, as the Company's telecommunications minutes of use, and
associated revenues, grew substantially.  As a percentage of total revenues, the
increase in direct costs reflects lower gross margins associated with wholesale
carrier services and prepaid calling card services as compared with
international retail and Internet access services.  Gross margins were also
adversely affected by delayed network deployment.

     Selling, General and Administrative.  Selling, general and administrative
costs increased 47.8% from approximately $20.3 million in the three months ended
April 30, 1998 to approximately $30.0 million in the three

                                       12
<PAGE>

months ended April 30, 1999. As a percentage of total revenues, these costs
decreased from 23.4% for the three months ended April 30, 1998 to 15.6% for the
three months ended April 30, 1999. The increase in these costs in dollar terms
is due primarily to increased sales and marketing efforts for retail services,
including prepaid calling cards, domestic and international long distance,
Net2Phone and Net2Phone Direct. As a percentage of total revenues, the decrease
was due primarily to the substantial increase in total revenues for the three
months ended April 30, 1999.

     Depreciation and Amortization.  Depreciation and amortization increased
146.4% from approximately $2.8 million for the three months ended April 30, 1998
to approximately $6.9 million for the three months ended April 30, 1999.  As a
percentage of revenues, these costs increased from 3.2% for the three months
ended April 30, 1998 to 3.6% for the three months ended April 30, 1999. These
costs increased primarily as a result of the Company's higher fixed asset base
during the three months ended April 30, 1999 as compared with the three months
ended April 30, 1998 due to the Company's efforts to expand its
telecommunications network infrastructure, enhance its Internet network and
expand its facilities.  The Company anticipates that depreciation and
amortization will continue to increase as the Company continues to implement its
growth strategy.

     Income from Operations.  The Company's income from operations increased
4.4% from approximately $4.5 million for the three months ended April 30, 1998
to approximately $4.7 million for the three months ended April 30, 1999.  Income
from operations for the Company's telecommunications business remained unchanged
at approximately $7.8 million for the three months ended April 30, 1999 and $7.8
million for the three months ended April 30, 1998.  As a percentage of
telecommunication revenues, income from operations for the telecommunications
business decreased to 4.4% for the three months ended April 30, 1999 from
approximately 9.9% for the three months ended April 30, 1998 due to decreased
margins in the carrier wholesale and prepaid calling card businesses.

     Loss from operations for the Company's Internet access business increased
to approximately $2.1 million for the three months ended April 30, 1999 from
approximately $1.9 million for the three months ended April 30, 1998.  The
increased loss is primarily due to the decrease in Internet access revenues
resulting from a decrease in total dial-up subscribers.

     Loss from operations of the Net2Phone division decreased to approximately
$1.0 million for the three months ended April 30, 1999, from approximately $1.4
million for the three months ended April 30, 1998.  The decreased loss resulted
primarily from the increase in revenues as the Company gains customers for
its Internet telephony products and services.

     Income Taxes.  The Company recorded income tax expense of $2.1 million for
the three months ended April 30, 1999.  An income tax benefit of $2.8 million
related to the tax deduction upon the exercise of stock options was recorded
directly into additional paid-in capital.  The Company did not record an income
tax benefit for the three months ended April 30, 1998 as the realization of
available tax losses was not probable at that time.

Liquidity and Capital Resources

     Historically, the Company has satisfied its cash requirements through a
combination of cash flow from operating activities, sales of equity and debt
securities and borrowings from third parties. The Company received approximately
$3.9 million upon the exercise of stock options and warrants in the nine months
ended April 30, 1999.

     In May 1999, the Company entered into a credit agreement with Lehman
Commercial Paper Inc., CIBC World Markets Corp., Bankers Trust Company and a
Syndicate of lenders. These institutions have committed to provide us with a
$150 million credit facility that will include term loans in an aggregate amount
of up to $125 million and revolving loans in an amount of up to $25 million and
an additional uncommitted amount of up to $100 million. Bankers Trust Company
serves as administrative agent for the facility. The Company used the proceeds
from the initial borrowings under the credit facility of $108 million from the
initial borrowings under the credit facility to purchase more than 99% of its
outstanding 8.75% Senior Notes due 2006, together with accrued and unpaid
interest, that the Company purchased in connection with its tender offer for
these securities. The amount of $75.0 million of the initial borrowings
currently bears interest at a rate of 8.75% per annum and the remaining $33.1
million of the initial borrowings currently bears interest at a rate of 8.25%
per annum.

     As of April 30, 1999, the Company had cash, cash equivalents and marketable
securities of $102.9 million and working capital of approximately $127.7
million.  The Company generated negative cash flow from operating activities of
approximately $22.9 million during the nine months ended April 30, 1999,
compared with negative cash flow from operating activities of approximately $1.7
million during the nine months ended April 30, 1998.  The Company's cash flow
from operations varies significantly from quarter to quarter, depending upon the
timing of operating cash receipts and payments, especially accounts receivable
and accounts payable.  Accounts receivable, accounts payable and accrued
expenses have increased from period to period as the Company's businesses have
grown.

                                       13
<PAGE>

     The Company's capital expenditures increased from approximately $12.7
million in the nine months ended April 30, 1998 to approximately $22.2 million
in the nine months ended April 30, 1999, as the Company expanded its
international and domestic telecommunications network infrastructure.

     The Company experiences intense competition in its telecommunications
business.  Increased competition in the telecommunications industry could force
the Company to reduce the prices that it charges for its services, or its profit
margins.  Under such circumstances, the Company's cash flows from operations
would be materially adversely affected.

     Pursuant to Series A Subscription Agreements, dated as of May 13, 1999,
SOFTBANK Technology Ventures IV, GE Capital Equity Investments, America Online,
Access Technology Partners, Hambrecht & Quist and its affiliates and BT Alex.
Brown and its affiliates, purchased from us, in the aggregate, 9,420,000 shares
of Net2Phone Series A preferred stock and warrants to purchase 180,000 shares of
Net2Phone common stock, for a net aggregate purchase price of $29.9 million.
Additionally, a warrant to purchase 92,400 shares of Net2Phone common stock was
issued to Hambrecht & Quist as part of its fee as placement agent with respect
to the sale of such Series A preferred stock. On May 18, 1999, our subsidiary,
Net2Phone filed a registration statement with the Securities and Exchange
Commission to register shares of its common stock in an initial public offering.

     The Company intends to, where appropriate, make strategic acquisitions to
increase its telecommunications customer base.  The Company may also make
strategic acquisitions related to its Internet telephony business.  From time to
time, the Company evaluates potential acquisitions of companies, technologies,
products and customer accounts that complement it's businesses.

     The Company believes that, based upon its present business plan, the
Company's existing cash resources, expected cash flow from operating activities
and borrowings under its credit facility, will be sufficient to meet its
currently anticipated working capital and capital expenditure requirements for
at least the next twelve months. If the Company's growth exceeds current
expectations or if the Company acquires the business or assets of another
company, or if the Company's cash flow from operations after the end of such
period is insufficient to meet its working capital and capital expenditure
requirements, the Company will need to raise additional capital from equity or
debt sources. There can be no assurance that the Company will be able to raise
such capital on favorable terms or at all. If the Company is unable to obtain
such additional capital, the Company may be required to reduce the scope of its
anticipated expansion, which could have a material adverse effect on the
Company's business, financial condition or results of operations.

                                       14
<PAGE>

Year 2000

     The Company is conducting a review of its computer hardware and software to
ensure that its computer-related applications will not fail or create erroneous
results as a result of the use of two digits in various program date fields (the
"Year 2000 issue"). The Company's cost of addressing the Year 2000 issue is not
expected to be material to its operations or financial position. However, the
consequences of an incomplete or untimely resolution of the Year 2000 issue
could be expected to have a material adverse effect on the financial results of
the Company; in the absence of such a resolution, the ability of the Company to
route its traffic in a cost effective manner, to deliver a material portion of
its services, to properly obtain payment for such services, and/or to maintain
accurate records of its business and operations, could be substantially impaired
until such issue is remediated.  The Company may become liable for substantial
damages in the event that, as a result of the Year 2000 issue, it fails to
deliver any services that it is obligated to provide.  However, the Company
expects that its Year 2000 issues will be satisfactorily resolved before the
year 2000.

     The Company is conducting a comprehensive review of its computer systems to
ensure that all such systems are, or prior to the end of 1999 will be, Year 2000
compliant.  The Company's plan for its Year 2000 project includes the following
phases: (i) conducting a comprehensive inventory of the Company's internal
systems, including information technology systems and non-information technology
systems (which include switching, billing and other platforms and electrical
systems) and the systems acquired or to be acquired by the Company from third
parties, (ii) assessing and prioritizing any required remediation, (iii)
remediating any problems by repairing or, if appropriate, replacing the non-
compliant systems, (iv) testing all remediated systems for Year 2000 compliance
and (v) developing contingency plans that may be employed in the event that any
system used by the Company is unexpectedly affected by a previously
unanticipated problem relating to the Year 2000.  The Company currently expects
to complete all of the phases of this process and that all of its computer
systems will be fully Year 2000 compliant before the end of 1999.

     The Company has completed a number of acquisitions during its recent fiscal
years, and is in the process of integrating the systems of the acquired
businesses into its operations.  Those systems are included in the Company's
Year 2000 review and remediation project. During the process of evaluating
businesses for any potential acquisition, and after any such acquisitions, the
Company will evaluate the extent of the Year 2000 problems associated with such
acquisitions and the cost and timing of remediation.  No assurance can be given,
however, that the systems of any acquired business will be Year 2000 compliant
when acquired or that they will be capable of timely remediation.

     In addition to assessing its own systems, the Company is conducting an
external review of its customers and suppliers, and any other third parties with
which it does business, including equipment and systems providers and other
telecommunications service providers, to determine their vulnerability to Year
2000 problems and any potential impact on the Company.  In particular, the
Company may experience problems to the extent that other telecommunications
carriers whose services are resold by the Company or to which the Company sends
traffic for termination are not Year 2000 compliant.  The Company's ability to
determine the ability of these third parties to address issues relating to the
Year 2000 problem is necessarily limited.  To the extent that a limited number
of carriers experience disruptions in service due to the Year 2000 issue, the
Company believes that it will be able to obtain service from alternate carriers.
However, the Company's ability to provide certain services to customers in
selected geographic locations may be limited.  There can be no assurance that
such problems will not have a material adverse effect on the Company.

     In addition, the Company is currently in the process of developing
contingency plans with regard to potential Year 2000 problems.  The Company
believes that, in the event that one or more of its systems is impaired due to
unanticipated Year 2000 issues, its contingency plans will enable it to
temporarily conduct its operations on a modified basis until such impaired
systems are remediated.  There can be no assurances that the Company's suppliers
and customers will achieve full Year 2000 compliance before the end of 1999 or
that the Company will develop or implement effective contingency plans on a
timely basis.  A failure of the Company's computer systems or the failure of the
Company's suppliers or customers to effectively upgrade their software and
systems for

                                       15
<PAGE>

transition to the year 2000 could have a material adverse effect on the
Company's business, financial conditions and results of operations.

     To date, the Company has incurred expenses of less than $1.0 million in
connection with its remediation of Year 2000 related issues.  No assurance can
be given, however, that the systems of any acquired business will be Year 2000
compliant when acquired or that they will be capable of timely remediation.  The
Company does not expect to incur significant costs to become Year 2000
compliant, although the Company's evaluation of the Year 2000 problem is not yet
complete and actual costs may be significantly higher.  In particular, such
costs could be higher if certain suppliers of the Company fail to provide Year
2000 related updates to certain switching products purchased by the Company
without charge in the manner that is currently expected.  Costs associated with
Year 2000 remediation are expensed by the Company when incurred.

European Currency Conversion

     Beginning in January 1999, a new currency called the ''euro'' was
introduced in certain Economic and Monetary Union (''EMU'') countries. Beginning
in 2002, all EMU countries are expected to operate with the euro as their single
currency. Uncertainty exists as to the effect the euro currency will have on the
market for international telecommunications services. Additionally, all of the
final rules and regulations have not yet been defined and finalized by the
European Commission with regard to the euro currency. The Company has not yet
completed its assessment of the effect that the introduction of the euro will
have on its business, operations and sales.

CAUTIONARY STATEMENT REGARDING FORWARD LOOKING STATEMENTS
- ---------------------------------------------------------

     This Quarterly Report on Form 10-Q contains forward-looking statements
within the meaning of Section 27A of the Securities Act of 1933 and Section 21E
of the Securities Exchange Act of 1934, including statements that contain the
words "believes," "anticipates," "expects," and similar words and phrases.  Such
forward-looking statements include, among other things, the Company's plans to
implement its growth strategy, improve its financial performance, expand its
infrastructure, develop new products and services, expand its customer base and
enter international markets, and the possible outcome of litigation relating to
the Company.  Such forward-looking statements also include the Company's
expectations concerning factors affecting the markets for its products, such as
changes in the U.S. and the international regulatory environment and the demand
for long-distance telecommunications, Internet access and Internet telephony
services.  Actual results could differ from those projected in any forward-
looking statements.  The forward-looking statements are made as of the date of
this Report, and the Company assumes no obligation to update the forward-looking
statements, or to update the reasons why actual results could differ from those
projected in the forward-looking statements.  Investors should consult all of
the information set forth herein and the other information set forth from time
to time in the Company's reports filed with the Securities and Exchange
Commission pursuant to the Securities Act of 1933 and the Securities Exchange
Act of 1934, including the Company's Annual Report on Form 10-K/A, for the year
ended July 31, 1998.

                                       16
<PAGE>

PART II.   OTHER INFORMATION

Item 1. Legal Proceedings

          Incorporated by reference from Part I, Item I, Financial Statements,
Note 4 captioned "Legal Proceedings and Contingencies."

Item 2. Changes in Securities

          None

Item 3. Defaults Upon Senior Securities

          None

Item 4. Submission of Matters to a Vote of Security Holders

          None

Item 5. Other Information

          None

                                       17
<PAGE>

Item 6. Exhibits and Reports on Form 8-K

(a)     Exhibits:

Exhibit
Number    Description
- ------    -----------

3.01(1)   Restated Certificate of Incorporation of the Registrant.

3.02(1)   By-laws of the Registrant.

10.01(2)  Employment Agreement between the Registrant and Howard S. Jonas.

10.02*    1996 Stock Option and Incentive Plan, as amended and restated, of the
          Registrant.

10.03(3)  Form of Stock Option Agreement under the 1996 Stock Option and
          Incentive Plan.

10.04(4)  Form of Registration Rights Agreement between certain stockholders and
          the Registrant.

10.05(1)  Lease of 294 State Street.

10.06(5)  Lease of 190 Main Street.

10.7(6)   Form of Registration Rights Agreement between Howard S. Jonas and the
          Registrant.

10.8*     Employment Agreement between the Registrant and James Courter.

10.9(7)   Agreement between Mr. Cliff Sobel and the Registrant.

10.10*    Employment Agreement between the Registrant and Hal Brecher.

10.11*    Employment Agreement between the Registrant and Howard S. Jonas.

10.12(8)  Agreement and Plan of Merger, dated April 7, 1998, by and among the
          Registrant, ADM Corp., InterExchange, Inc., David Turock, Eric Hecht,
          Richard Robbins, Bradley Turock, Wai Nam Tam, Mary Jo Altom and Lisa
          Mikulynec.

10.13(9)  Securities Purchase Agreement between the Registrant, Carlos Gomez
          and Union Telecard Alliance, LLC.

10.14*    Credit Agreement, dated as of May 10, 1999, by and among the
          Registrant, various lenders party thereto, Lehman Commercial Paper
          Inc., CIBC World Markets Corp. and Bankers Trust Company.

10.15*    Pledge Agreement, dated as of May 10, 1999, by and among the
          Registrant, certain subsidiaries of the Registrant and Bankers Trust
          Company, as Collateral Agent.

10.16*    Security Agreement, dated as of May 10, 1999, by and among the
          Registrant, certain subsidiaries of the Registrant and Bankers Trust
          Company, as Collateral Agent.

10.17*    Subsidiaries Guaranty, dated as of May 10, 1999, by and among the
          Registrant, certain subsidiaries of the Registrant and Bankers Trust
          Company, as Collateral Agent.

10.18*    Loan Agreement between the Registrant and Stephen Brown.

                                       18
<PAGE>

27.01*    Financial Data Schedule.

- ------------
*   filed herewith

(1)  Incorporated by reference to Form S-1 filed February 21, 1996 file no. 333-
     00204.
(2)  Incorporated by reference to Form S-1 filed January 9, 1996 file no. 333-
     00204.
(3)  Incorporated by reference to Form S-8 filed January 14, 1996 file no. 333-
     19727.
(4)  Incorporated by reference to Form S-1 filed March 8, 1996 file no. 333-
     00204.
(5)  Incorporated by reference to Form 10-K/A for the fiscal year ended July 31,
     1997, filed October 29, 1997.
(6)  Incorporated by reference to Form S-1 filed March 14, 1996 file no. 333-
     00204.
(7)  Incorporated by reference to Form 10-K for the fiscal year ended July 31,
     1997, filed February 2, 1998.
(8)  Incorporated by reference to Form 8-K filed April 22, 1998.
(9)  Incorporated by reference to Form 10-K/A for the fiscal year ended July
     31, 1998, filed December 4, 1998.

(b)    Reports on Form 8-K:

       None.

                                       19
<PAGE>

                                IDT CORPORATION

                                   FORM 10-Q

                                April 30, 1999



                                  SIGNATURES

          Pursuant to the requirements of the Securities Exchange Act of 1934,
the Registrant has duly caused this report to be signed on its behalf by the
undersigned, thereunto duly authorized.


                                        IDT CORPORATION

June 14, 1999                           By:  /s/ Howard S. Jonas
- -------------                                -----------------------------------
       Date                                  Howard S. Jonas
                                             Chairman of the Board
                                             and Chief Executive Officer
                                             (Principal Executive Officer)

June 14, 1999                           By:  /s/ James A. Courter
- -------------                                -----------------------------------
       Date                                  James A. Courter
                                             President
                                             (Principal Executive Officer)

June 14, 1999                           By:  /s/ Stephen R. Brown
- -------------                                ------------------------------
       Date                                  Stephen R. Brown
                                             Chief Financial Officer
                                             (Principal Financial and
                                             Accounting Officer)

                                       20

<PAGE>

                                                                 Exhibit 10.8

                              EMPLOYMENT AGREEMENT

     EMPLOYMENT AGREEMENT (this "Agreement") dated April 1, 1999, by and between
IDT Corporation, a Delaware corporation (the "Company"), and James Courter (the
"Executive").

     WHEREAS, in recognition of the Executive's experience and abilities, the
Company desires to assure itself of the employment of the Executive in
accordance with the terms and conditions provided herein; and

     WHEREAS, the Executive wishes to perform services for the Company in
accordance with the terms and conditions provided herein.

     NOW, THEREFORE, in consideration of the promises and the respective
covenants and agreements of the parties herein contained, and intending to be
legally bound hereby, the parties hereto agree as follows:

     1.  Employment.  The Company hereby agrees to employ the Executive, and the
         ----------
Executive hereby agrees to perform services for the Company, on the terms and
conditions set forth herein.

     2.  Term.  This Agreement is for the three (3) year period (the "Term")
         ----
commencing on April 1, 1999, and terminating on the third anniversary of such
date, or upon the Executive's earlier death or other termination of employment
pursuant to Section 7 hereof; provided, however, that commencing on April 1,
                              --------  -------
2002 and each anniversary thereafter, the term shall automatically be extended
for one additional year beyond its otherwise scheduled expiration unless, not
later than ninety (90) days prior to any such anniversary, either party hereto
shall have notified the other party  in writing that such extension shall not
take effect.

     3.  Position.  During the Term, the Executive shall serve as the President
         --------
of the Company.

     4.  Duties and Reporting Relationship.  During the Term, the Executive
         ---------------------------------
shall, on a full time basis, use his skills and render services to the best of
his abilities in supervising and conducting the operations of the Company.  The
Executive shall report directly to the Chairman and Board of Directors of the
Company.

     5.  Place of Performance.  The Executive shall perform his duties and
         --------------------
conduct his business at the offices of the Company located in Hackensack, New
Jersey, except for required travel on the Company's business.

     6.  Compensation and Related Matters.
         ---------------------------------

     (a) Annual Base Salary.  The Company shall pay to the Executive an annual
         ------------------
base salary (the "Base Salary") at a rate not less than two hundred thousand
dollars ($200,000), such salary to be paid in conformity with the Company's
payroll policies relating to its senior executive officers.  The Base Salary
may, from time to time, be increased, however, if the Executive's Base Salary is
increased, it shall not thereafter be decreased during the Term.

     (b) Employee Benefit Plans.  During the Term, the Executive shall be
         ----------------------
entitled to participate in those incentive plans, programs, and arrangements
which are available to other senior executive officers of the Company (the
"Benefits Plans").  The Executive shall be provided benefits under the Benefit
Plans substantially equivalent, in the aggregate, to the benefits provided to
other senior executive officers of the Company and on
<PAGE>

substantially similar terms and conditions.

     (c) Pension and Welfare Benefits.  During the Term, the Executive shall be
         ----------------------------
eligible to participate in the pension and retirement plans (the "Pension
Plans") provided to other senior executive officers of the Company, and
participate fully in all health benefits, insurance programs and other similar
executive welfare benefit arrangements available to other senior executive
officers of the Company and shall be provided benefits under such plans and
arrangements substantially equivalent, in the aggregate, to the benefits
provided to other senior executive officers of the Company and on substantially
similar terms and conditions.  Notwithstanding the foregoing, during the Term,
the Company shall provide the Executive with life and disability insurance at a
benefit level no less favorable to the Executive than the benefit level provided
to him as of the date of this Agreement.

     (d) Fringe Benefits and Perquisites.  During the Term, the Company shall
         -------------------------------
provide to the Executive all of the fringe benefits and perquisites that are
provided to other senior executive officers of the Company, and the Executive
shall be entitled to receive any other fringe benefits or perquisites that
become available to other senior executive officers of the Company subsequent to
the date hereof.  The benefits described herein include, but are not limited to,
an automobile leased for the Executive by the Company, the make and model of
which is consistent with that being used by the Executive on the execution date
of this Agreement.

     (e) Stock Option Grant.  Executive has been granted, on March 1, 1999,
         ------------------
three hundred thousand (300,000) options to purchase IDT common stock at the
exercise price of $12.625 per share,  the terms and conditions of which shall be
governed by the IDT Corporation 1996 Stock Option and Incentive Plan (As Amended
and Restated).  Such stock options shall vest as follows:  twenty-five thousand
(25,000) options shall vest at the end of each quarter during the Term of this
Agreement.     Notwithstanding the aforementioned vesting schedule, in the event
the Company experiences a "Change in Control" as defined in the IDT Corporation
1996 Stock Option and Incentive Plan (As Amended and Restated) any unvested
options shall automatically vest upon the date of the occurrence of the event
In the event the Executive's employment is terminated without "Cause", as
defined in Section 7(b) or the Executive shall terminate his employment for
"Good Reason" as defined in Section 7(c), any and all unvested options shall
automatically vest upon the "Date of Termination" as defined hereunder, and the
Executive shall be permitted to exercise any and all options which are
outstanding as of the date of his termination within two (2) years from the Date
of Termination.

     (f) Business Expense.  The Executive will be reimbursed for all ordinary
         ----------------
and necessary business expenses incurred by him in connection with his
employment (including without limitation, expenses for travel and entertainment
incurred in conducting or promoting business for the Company) upon submission by
the Executive of receipts and other documentation in accordance with the
Company's normal reimbursement procedures.

     7.  Termination.  The Executive's employment hereunder may be terminated
         -----------
without breach of the Agreement only under the following circumstances:

     (a)  Death.
          -----

     (b) Cause.  The Company may terminate the Executive's employment hereunder
         -----
for "Cause."  For purposes of this Agreement, the Company shall have "Cause" to
terminate the Executive's employment

                                       2
<PAGE>

hereunder (i) upon the Executive's conviction for the commission of an act or
acts constituting a felony under the laws of the United States or any state
thereof, or (ii) upon the Executive's willful and continued failure to
substantially perform his duties hereunder (other than any such failure
resulting from the Executive's incapacity due to physical or mental illness),
after written notice has been delivered to the Executive by the Company, which
notice specifically identifies the manner in which the Executive has not
substantially performed his duties, and the Executive's failure to substantially
perform his duties is not cured within ten (10) business days after notice of
such failure has been given to the Executive. For purposes of this Section 7 (c)
, no act or failure to act on the Executive's part shall be deemed "willful"
unless done or omitted to be done, by the Executive not in good faith and
without reasonable belief that the Executive's act, or failure to act, was in
the best interest of the Company.

     (c) Termination by the Executive.  The Executive may terminate his
         ----------------------------
employment hereunder for "Good Reason."  "Good Reason" shall mean the occurrence
(without the Executive's express written consent) of any one of the following
acts by the Company, or failure by the Company to act:

          (i) a material breach of the Agreement by the Company;

          (ii) the assignment to the Executive of any duties inconsistent with
the Executive's status as a senior executive officer of the Company or a
substantial adverse alteration in the nature or status of the Executive's
responsibilities; or

          (iii) any purported termination of the Executive's employment which is
not effected pursuant to a Notice of Termination satisfying the requirement of
paragraph (d) below; for purposes of this Agreement, no such purported
termination shall be effective.

          (iv)  a reduction in Executive's annual Base Salary;

          (v) a significant reduction in Executive's positions, duties,
responsibilities or reporting lines from those described in Section 4 hereof;

          (vi) relocation of Executive's principal place of employment outside
of the Hackensack, New Jersey area;  or

          (vii) a "Change in Control" of the Company, as defined above.

     The Executive's right to terminate the Executive's employment for Good
Reason shall not be affected by the Executive's incapacity due to physical or
mental illness.  The Executive's continued employment shall not constitute
consent to, or a waiver of rights with respect to any act or failure to act
constituting Good Reason hereunder.  Notwithstanding the foregoing, a
termination shall not be treated as a Termination for Good Reason if the
Executive shall have consented in writing to the occurrence of the event giving
rise to the claim of Termination for Good Reason.

     (d) Notice of Termination.  Any termination of the Executive's employment
         ---------------------
by the Company or by the Executive (other than termination under Section 7(a)
hereof) shall be communicated by written Notice of Termination to the other
party hereto in accordance with Section 12 hereof.  For purposes of this
Agreement,

                                       3
<PAGE>

a "notice of Termination" shall mean a notice that shall indicate the specific
termination provision in this Agreement relied upon and shall set forth in
reasonable detail the facts and circumstances claims to provide a basis for
termination of the Executive's employment under the provision so indicated.
Further, a Notice of Termination for Cause is required to include a copy of a
resolution duly adopted by the affirmative vote of not less than a majority of
the entire membership of the Board at a meeting of the Board (after reasonable
notice to the Executive and an opportunity for the Executive, together with the
Executive's counsel, to be heard before the Board) finding that, in the good
faith opinion of the Board, the Executive was guilty of conduct set forth in the
definition of Cause herein, and specifying the particulars thereof.

     (e) Date of Termination.  "Date of Termination" shall mean (i) if the
         -------------------
Executive's employment is terminated by his death, the date of his death, or
(ii) if the Executive's employment is terminated pursuant to paragraph (c) or
(d) above, the date specified in the Notice of Termination; provided, however,
                                                            --------  -------
that if within thirty (30) days after any Notice of Termination is given the
party receiving such Notice of Termination notifies the other party that a
dispute exists concerning the termination, the Date of Termination shall be the
date on which the dispute is finally determined.  If within fifteen (15) days
after any Notice of Termination is given, or if later, prior to the Date of
Termination (as determined without regard to the Section 7(e)), the party
receiving such Notice of Termination notifies the other party that a dispute
exists concerning the termination, the Date of Termination shall be the date on
which the dispute is finally resolved, either by mutual written agreement of the
parties or by a final judgment, order or decree of a court of competent
jurisdiction (which is not appealable or with respect to which the time for
appeal, therefrom has expired and no appeal has been perfected); provided
further that the Date of Termination shall be extended by a notice of dispute
only if such notice is given in good faith and the party giving such notice
pursues the resolution of such dispute with reasonable diligence.

     (f)  Compensation During Dispute.  If a purported termination occurs during
          ---------------------------
the term of this Agreement, and such termination is disputed in accordance with
Section 7(e) hereof, the Company shall continue to pay the Executive the full
compensation in effect when the notice giving rise to the dispute was given
(including, but not limited to, Base Salary) and continue the Executive as a
participant in all compensation, benefit and insurance plans in which the
Executive was participating when the notice giving rise to the dispute was
given, until the dispute is finally resolved.  Amounts paid under this Section
7(f) are in addition to all other amounts due under this Agreement and shall not
be offset against or reduce any other amounts due under this Agreement.

     8.  Compensation Upon Termination or During Disability.
         ---------------------------------------------------

     (a)  Death. In the event that Executive's employment is terminated pursuant
          ------
to Section 7(a) hereof, then as soon as practicable thereafter, the Company
shall pay the Executive's Beneficiary (as defined in Section 11(b) hereof), as
the case may be, (i) all unpaid amounts, if any, to which the Executive was
entitled as of the Date of Termination under Section 6(a) hereof and (ii) all
unpaid amounts to which the Executive was then entitled under the Benefit Plans,
the Pension Plans and any other unpaid employee benefits, perquisites or other
reimbursements (the amounts set forth in clauses (i) and (ii) above being
hereinafter referred to as the "Accrued Obligation").  In addition, the Company
shall pay Executive's estate a lump sum payment equal to 12 months of
Executive's Base Salary (at the rate in effect on the date of his death).

     (b)  Termination for Cause; Voluntary Termination Without Good Reason.  If
          -----------------------------------------------------------------
the Executive's employment is terminated by the Company for Cause or by the
Executive other than for Good Reason, then the Company shall pay all Accrued
Obligations to the Executive and the Company shall have no further obligations

                                       4
<PAGE>

to the Executive under this Agreement.

     (c)  Termination Without Cause; Termination for Good Reason.  If the
          -------------------------------------------------------
Company shall terminate the Executive's employment, other than for Cause, or
the Executive shall terminate his employment for Good Reason, then;

          (i)  the Company shall pay to the executive, within ten (10) days
after the Date of Termination, the Accrued Obligations; and

          (ii)  the Company shall pay the Executive a Severance Benefit as
defined hereunder.

          a. Severance Benefit means the sum of (i) Executive's minimum Base
Salary for the remainder of the Term, but in no event less than twelve (12)
months.

     9.  Non-Disclosure.  The parties hereto agree, recognize and acknowledge
         ---------------
that during the Term the Executive shall obtain knowledge of confidential
information regarding the business and affairs of the Company.  It is therefore
agreed that the Executive will respect and protect the confidentiality of all
confidential information pertaining to the Company, and will not (i) without the
prior written consent of the Company, (ii) unless required in the course of the
Executive's employment hereunder, or (iii) unless required by applicable law,
rules, regulations or court, government or regulatory authority order or decree,
disclose in any fashion such confidential information to any person (other than
a person who is a director of, or who is employed by, the Company or any
subsidiary or who is engaged to render services to the Company or any
subsidiary) at any time during the Term.

     10.  Covenant Not to Compete.
          ------------------------

     (a) Executive hereby agrees that for a period of one (1) year following the
termination of this Agreement (other than a termination of the Executive's
employment (i) by the Executive for Good Reason or (ii) by the Company other
than for Cause)(the "Restricted Period") the Executive shall not, directly or
indirectly, whether acting individually or through any person, firm,
corporation, business or any other entity:

          (i) engage in, or have any interest in any person, firm, corporation,
business or other entity (as an officer, director, employee, agent, stockholder,
or other security holder, creditor, consultant or otherwise) that engages in any
business activity where a substantial aspect of the business of the Company is
conducted, or planned to be conducted, at any time during the Restricted Period,
which business activity is the same as, similar to or competitive with the
Company as the same may be conducted from time to time;

          (ii) interfere with any contractual relationship that may exist from
time to time of the business of the Company, including, but not limited to, any
contractual relationship with any director, officer, employee, or sales agent,
or supplier of the Company; or

          (iii) solicit, induce or influence, or seek to induce or influence,
any person who currently is, or from time to time may be, engaged or employed by
the Company (as an officer, director, employee, agent, or independent
contractor) to terminate his or her employment or engagement by the Company.

                                       5
<PAGE>

     (b) Notwithstanding anything to the contrary contained herein, Executive,
directly or indirectly, may own publicly traded stock constituting not more than
five percent (5%) of the outstanding shares of such class of stock of any
corporation if, and as long as, Executive is not an officer, director, employee
or agent of, or consultant or advisor to, or has any other relationship or
agreement with such corporation.

     (c) Executive acknowledges that the non-competition provisions contained in
this Agreement are reasonable and necessary, in view of the nature of the
Company and his knowledge thereof, in order to protect the legitimate interests
of the Company.

     11.  Successors; Binding Agreement.
          ------------------------------

       (a) The Company shall require any successor (whether direct or indirect,
by purchase, merger, consolidation or otherwise) to all or substantially all of
the business and/or assets of the Company, by agreement in form and substance
reasonably satisfactory to the Executive, to expressly assume and agree to
perform this Agreement in the same manner and to the same extent that the
Company would be required to perform it if no such succession had taken place.
Failure of the Company to obtain such assumption and agreement prior to the
effectiveness of any such succession shall be a breach of this Agreement and
shall entitle the Executive to compensation from the Company in the same amount
and on the same terms as he would be entitled to hereunder of he terminated his
employment for Good Reason, except that for purposes of implementing the
foregoing, the date on which any such succession becomes effective shall be
deemed the Date of Termination.  As used in this Agreement, "Company" shall mean
the Company as hereinafter defined and any successor to its business and/or
assets as aforesaid that executes and delivers the agreement provided for in
this Section 11 or that otherwise becomes bound by all the terms and provisions
of this Agreement by operation of law.

     (b) This Agreement and all rights of the Executive hereunder shall insure
to the benefit of and be enforced by the Executive's personal or legal
representatives, executors, administrators, successors, heirs, distributee,
devisee, and legatees.  If the Executive should die while any amounts should
still be payable to him hereunder if he had continued to live, all such amounts,
unless otherwise provided herein, shall be paid in accordance with the terms of
this Agreement to the Executive's devisee, legatee, or other designee or, if
there be no such designee, to the Executive's estate (any of which is referred
to herein as a "Beneficiary").

     12. Notice.  For purposes of this Agreement, notices, demands and all other
         -------
communications provided for in this Agreement shall be in writing and shall be
deemed to have been duly given when delivered or (unless otherwise specified)
mailed by United States certified or registered mail, return receipt requested,
postage paid, addressed as follows:

          If to the Company:  IDT Corporation
                              190 Main Street
                              Hackensack New Jersey 07601
                              Attn:  General Counsel

          If to the Executive:  James Courter
                                1001 Route 517
                                Hackettstown, New Jersey 07840

                                       6
<PAGE>

or to such other address as either party may have furnished to the other in
writing in accordance herewith, except that notices of change of address shall
be effective only upon receipt.

     13.  Miscellaneous.  No provision of this Agreement may be modified, waived
          --------------
or discharged unless such waiver, modification or discharge is agreed to in
writing signed by the Executive and such other officer of the Company as may be
specifically designated by the Board.  No waiver by either party hereto at any
time of any breach by the other party hereto, or compliance with any condition
or provision of this Agreement to be performed by such other party shall be
deemed a waiver of similar or dissimilar provisions or conditions at the same or
prior or subsequent time.  No agreements or representations, oral or otherwise,
express or implied, with respect to the subject matter hereof have been made by
either party which are not set forth expressly in this Agreement.  The validity,
interpretation, construction and performance of this Agreement shall be governed
by the laws of the state of New Jersey without regard to its conflicts of law
principles.

     14. Validity.  The invalidity or unenforceability of any provision or
         ---------
provisions of this Agreement shall not affect the validity or enforceability if
any such other provision of this agreement, which shall remain in full force and
effect.

     15.  Counterparts.  This Agreement may be executed in one or more
          ------------
counterparts, each of which shall be deemed to be an original but all of which
together will constitute one and the same instrument.

     16.  Entire Agreement.  This Agreement sets forth the entire agreement of
          ----------------
the parties hereto in respect of the subject matter contained herein and
supersedes any and all other prior agreements, promises, covenants,
arrangements, communications, representations or warranties, whether oral or
written, by any officer, employee or representative of any party hereto, and in
prior agreements of the parties hereto in respect to the subject matter
contained herein is hereby terminated and canceled.

IN WITNESS WHEREOF, the parties have executed this Agreement as of the date and
year first above written.

                              Executive

                              /s/ James Courter
                              _____________________________
                              James Courter



                              IDT Corporation



                              By: /s/ Howard Jonas
                                 _________________________

                                       7

<PAGE>

                                                                   EXHIBIT 10.10


                             EMPLOYMENT AGREEMENT

     EMPLOYMENT AGREEMENT (this "Agreement") dated April 1, 1999, by and between
IDT Corporation, a Delaware corporation (the "Company"), and Hal Brecher (the
"Executive").

     WHEREAS, in recognition of the Executive's experience and abilities, the
Company desires to assure itself of the employment of the Executive in
accordance with the terms and conditions provided herein; and

     WHEREAS, the Executive wishes to perform services for the Company in
accordance with the terms and conditions provided herein.

     NOW, THEREFORE, in consideration of the promises and the respective
covenants and agreements of the parties herein contained, and intending to be
legally bound hereby, the parties hereto agree as follows:

     1.  Employment.  The Company hereby agrees to employ the Executive, and the
         ----------
Executive hereby agrees to perform services for the Company, on the terms and
conditions set forth herein.

     2.  Term.  This Agreement is for the three (3) year period (the "Term")
         ----
commencing on April 1, 1999, and terminating on the third anniversary of such
date, or upon the Executive's earlier death or other termination of employment
pursuant to Section 7 hereof; provided, however, that commencing on April 1,
                              --------  -------
2002 and each anniversary thereafter, the term shall automatically be extended
for one additional year beyond its otherwise scheduled expiration unless, not
later than ninety (90) days prior to any such anniversary, either party hereto
shall have notified the other party  in writing that such extension shall not
take effect.

     3.  Position.  During the Term, the Executive shall serve as the Chief
         --------
Operating Officer of the Company.

     4.  Duties and Reporting Relationship.  During the Term, the Executive
         ---------------------------------
shall, on a full time basis, use his skills and render services to the best of
his abilities in supervising and conducting the operations of the Company.  The
Executive shall report directly to the President, Chief Executive Officer and
the Board of Directors.

     5.  Place of Performance.  The Executive shall perform his duties and
         --------------------
conduct his business at the offices of the Company located in Hackensack, New
Jersey, except for required travel on the Company's business.

     6.  Compensation and Related Matters.
         ---------------------------------

     (a) Annual Base Salary.  The Company shall pay to the Executive an annual
         ------------------
base salary (the "Base Salary") at a rate not less than two hundred thousand
dollars ($200,000), such salary to be paid in conformity with the Company's
payroll policies relating to its senior executive officers.  The Base Salary
may, from time to time, be increased, however, if the Executive's Base Salary is
increased, it shall not thereafter be decreased during the Term.

     (b) Employee Benefit Plans.  During the Term, the Executive shall be
         ----------------------
entitled to participate in those incentive plans, programs, and arrangements
which are available to other senior executive officers of the

                                       1
<PAGE>

Company (the "Benefits Plans"). The Executive shall be provided benefits under
the Benefit Plans substantially equivalent, in the aggregate, to the benefits
provided to other senior executive officers of the Company and on substantially
similar terms and conditions.

     (c) Pension and Welfare Benefits.  During the Term, the Executive shall be
         ----------------------------
eligible to participate in the pension and retirement plans (the "Pension
Plans") provided to other senior executive officers of the Company, and
participate fully in all health benefits, insurance programs and other similar
executive welfare benefit arrangements available to other senior executive
officers of the Company and shall be provided benefits under such plans and
arrangements substantially equivalent, in the aggregate, to the benefits
provided to other senior executive officers of the Company and on substantially
similar terms and conditions.  Notwithstanding the foregoing, during the Term,
the Company shall provide the Executive with life and disability insurance at a
benefit level no less favorable to the Executive than the benefit level provided
to him as of the date of this Agreement.

     (d) Fringe Benefits and Perquisites.  During the Term, the Company shall
         -------------------------------
provide to the Executive all of the fringe benefits and perquisites that are
provided to other senior executive officers of the Company, and the Executive
shall be entitled to receive any other fringe benefits or perquisites that
become available to other senior executive officers of the Company subsequent to
the date hereof.  The benefits described herein include, but are not limited to,
an automobile leased for the Executive by the Company, the make and model of
which is consistent with that being used by the Executive on the execution date
of this Agreement.

     (e) Stock Option Grant.  Executive has been granted, on March 1, 1999,
         ------------------
three hundred thousand (300,000) options to purchase IDT common stock at the
exercise price of $12.625 per share,  the terms and conditions of which shall be
governed by the IDT Corporation 1996 Stock Option and Incentive Plan (As Amended
and Restated).  Such stock options shall vest as follows:  twenty-five thousand
(25,000) options shall vest at the end of each quarter during the Term of this
Agreement.     Notwithstanding the aforementioned vesting schedule, in the event
the Company experiences a "Change in Control" as defined in the IDT Corporation
1996 Stock Option and Incentive Plan (As Amended and Restated) any unvested
options shall automatically vest upon the date of the occurrence of the event
In the event the Executive's employment is terminated without "Cause", as
defined in Section 7(b) or the Executive shall terminate his employment for
"Good Reason" as defined in Section 7(c), any and all unvested options shall
automatically vest upon the "Date of Termination" as defined hereunder, and the
Executive shall be permitted to exercise any and all options  which are
outstanding as of the date of his termination within two (2) years from the Date
of Termination.

     (f) Business Expense.  The Executive will be reimbursed for all ordinary
         ----------------
and necessary business expenses incurred by him in connection with his
employment (including without limitation, expenses for travel and entertainment
incurred in conducting or promoting business for the Company) upon submission by
the Executive of receipts and other documentation in accordance with the
Company's normal reimbursement procedures.

     7.  Termination.  The Executive's employment hereunder may be terminated
         -----------
without breach of the Agreement only under the following circumstances:

     (a)  Death.
          -----

                                       2
<PAGE>

     (b) Cause.  The Company may terminate the Executive's employment hereunder
         -----
for "Cause."  For purposes of this Agreement, the Company shall have "Cause" to
terminate the Executive's employment hereunder (i) upon the Executive's
conviction for the commission of an act or acts constituting a felony under the
laws of the United States or any state thereof, or (ii) upon the Executive's
willful and continued failure to substantially perform his duties hereunder
(other than any such failure resulting from the Executive's incapacity due to
physical or mental illness), after written notice has been delivered to the
Executive by the Company, which notice specifically identifies the manner in
which the Executive has not substantially performed his duties, and the
Executive's failure to substantially perform his duties is not cured within ten
(10) business days after notice of such failure has been given to the Executive.
For purposes of this Section 7 (c) , no act or failure to act on the Executive's
part shall be deemed "willful" unless done or omitted to be done, by the
Executive not in good faith and without reasonable belief that the Executive's
act, or failure to act, was in the best interest of the Company.

     (c) Termination by the Executive.  The Executive may terminate his
         ----------------------------
employment hereunder for "Good Reason."  "Good Reason" shall mean the occurrence
(without the Executive's express written consent) of any one of the following
acts by the Company, or failure by the Company to act:

          (i)   a material breach of the Agreement by the Company;

          (ii)  the assignment to the Executive of any duties inconsistent with
the Executive's status as a senior executive officer of the Company or a
substantial adverse alteration in the nature or status of the Executive's
responsibilities; or

          (iii) any purported termination of the Executive's employment which is
not effected pursuant to a Notice of Termination satisfying the requirement of
paragraph (d) below; for purposes of this Agreement, no such purported
termination shall be effective.

          (iv)  a reduction in Executive's annual Base Salary;

          (v)   a significant reduction in Executive's positions, duties,
responsibilities or reporting lines from those described in Section 4 hereof;

          (vi)  relocation of Executive's principal place of employment outside
of the Hackensack, New Jersey area;  or

          (vii) a "Change in Control" of the Company, as defined above.

     The Executive's right to terminate the Executive's employment for Good
Reason shall not be affected by the Executive's incapacity due to physical or
mental illness.  The Executive's continued employment shall not constitute
consent to, or a waiver of rights with respect to any act or failure to act
constituting Good Reason hereunder.  Notwithstanding the foregoing, a
termination shall not be treated as a Termination for Good Reason  if the
Executive shall have consented in writing to the occurrence of the event giving
rise to the claim of Termination for Good Reason.

     (d) Notice of Termination.  Any termination of the Executive's employment
         ---------------------
by the Company or by the

                                       3
<PAGE>

Executive (other than termination under Section 7(a) hereof) shall be
communicated by written Notice of Termination to the other party hereto in
accordance with Section 12 hereof. For purposes of this Agreement, a "notice of
Termination" shall mean a notice that shall indicate the specific termination
provision in this Agreement relied upon and shall set forth in reasonable detail
the facts and circumstances claims to provide a basis for termination of the
Executive's employment under the provision so indicated. Further, a Notice of
Termination for Cause is required to include a copy of a resolution duly adopted
by the affirmative vote of not less than a majority of the entire membership of
the Board at a meeting of the Board (after reasonable notice to the Executive
and an opportunity for the Executive, together with the Executive's counsel, to
be heard before the Board) finding that, in the good faith opinion of the Board,
the Executive was guilty of conduct set forth in the definition of Cause herein,
and specifying the particulars thereof.

     (e) Date of Termination.  "Date of Termination" shall mean (i) if the
         -------------------
Executive's employment is terminated by his death, the date of his death, or
(ii) if the Executive's employment is terminated pursuant to paragraph (c) or
(d) above, the date specified in the Notice of Termination; provided, however,
                                                            --------  -------
that if within thirty (30) days after any Notice of Termination is given the
party receiving such Notice of Termination notifies the other party that a
dispute exists concerning the termination, the Date of Termination shall be the
date on which the dispute is finally determined.  If within fifteen (15) days
after any Notice of Termination is given, or if later, prior to the Date of
Termination (as determined without regard to the Section 7(e)), the party
receiving such Notice of Termination notifies the other party that a dispute
exists concerning the termination, the Date of Termination shall be the date on
which the dispute is finally resolved, either by mutual written agreement of the
parties or by a final judgment, order or decree of a court of competent
jurisdiction (which is not appealable or with respect to which the time for
appeal, therefrom has expired and no appeal has been perfected); provided
further that the Date of Termination shall be extended by a notice of dispute
only if such notice is given in good faith and the party giving such notice
pursues the resolution of such dispute with reasonable diligence.

     (f)  Compensation During Dispute.  If a purported termination occurs during
          ---------------------------
the term of this Agreement, and such termination is disputed in accordance with
Section 7(e) hereof, the Company shall continue to pay the Executive the full
compensation in effect when the notice giving rise to the dispute was given
(including, but not limited to, Base Salary) and continue the Executive as a
participant in all compensation, benefit and insurance plans in which the
Executive was participating when the notice giving rise to the dispute was
given, until the dispute is finally resolved.  Amounts paid under this Section
7(f) are in addition to all other amounts due under this Agreement and shall not
be offset against or reduce any other amounts due under this Agreement.

     8.  Compensation Upon Termination or During Disability.
         ---------------------------------------------------

     (a)  Death. In the event that Executive's employment is terminated pursuant
          ------
to Section 7(a) hereof, then as soon as practicable thereafter, the Company
shall pay the Executive's Beneficiary (as defined in Section 11(b) hereof), as
the case may be, (i) all unpaid amounts, if any, to which the Executive was
entitled as of the Date of Termination under Section 6(a) hereof and (ii) all
unpaid amounts to which the Executive was then entitled under the Benefit Plans,
the Pension Plans and any other unpaid employee benefits, perquisites or other
reimbursements (the amounts set forth in clauses (i) and (ii) above being
hereinafter referred to as the "Accrued Obligation").  In addition, the Company
shall pay Executive's estate a lump sum payment equal to 12 months of
Executive's Base Salary (at the rate in effect on the date of his death).

     (b)  Termination for Cause; Voluntary Termination Without Good Reason.  If
          -----------------------------------------------------------------
the Executive's

                                       4
<PAGE>

employment is terminated by the Company for Cause or by the Executive other than
for Good Reason, then the Company shall pay all Accrued Obligations to the
Executive and the Company shall have no further obligations to the Executive
under this Agreement.

     (c)  Termination Without Cause; Termination for Good Reason.  If the
          -------------------------------------------------------
Company shall terminate the Executive's employment, other than for Cause, or
the Executive shall terminate his employment for Good Reason, then;

          (i)  the Company shall pay to the executive, within ten (10) days
after the Date of Termination, the Accrued Obligations; and

          (ii)  the Company shall pay the Executive a Severance Benefit as
defined hereunder.

          a. Severance Benefit means the sum of (i) Executive's minimum Base
Salary for the remainder of the Term, but in no event less than twelve (12)
months.

     9.  Non-Disclosure.  The parties hereto agree, recognize and acknowledge
         ---------------
that during the Term the Executive shall obtain knowledge of confidential
information regarding the business and affairs of the Company.  It is therefore
agreed that the Executive will respect and protect the confidentiality of all
confidential information pertaining to the Company, and will not (i) without the
prior written consent of the Company, (ii) unless required in the course of the
Executive's employment hereunder, or (iii) unless required by applicable law,
rules, regulations or court, government or regulatory authority order or decree,
disclose in any fashion such confidential information to any person (other than
a person who is a director of, or who is employed by, the Company or any
subsidiary or who is engaged to render services to the Company or any
subsidiary) at any time during the Term.

     10.  Covenant Not to Compete.
          ------------------------

     (a) Executive hereby agrees that for a period of one (1) year following the
termination of this Agreement (other than a termination of the Executive's
employment (i) by the Executive for Good Reason or (ii) by the Company other
than for Cause)(the "Restricted Period") the Executive shall not, directly or
indirectly, whether acting individually or through any person, firm,
corporation, business or any other entity:

          (i) engage in, or have any interest in any person, firm, corporation,
business or other entity (as an officer, director, employee, agent, stockholder,
or other security holder, creditor, consultant or otherwise) that engages in any
business activity where a substantial aspect of the business of the Company is
conducted, or planned to be conducted, at any time during the Restricted Period,
which business activity is the same as, similar to or competitive with the
Company as the same may be conducted from time to time;

          (ii) interfere with any contractual relationship that may exist from
time to time of the business of the Company, including, but not limited to, any
contractual relationship with any director, officer, employee, or sales agent,
or supplier of the Company; or

          (iii) solicit, induce or influence, or seek to induce or influence,
any person who currently is, or from time to time may be, engaged or employed by
the Company (as an officer, director, employee, agent, or

                                       5
<PAGE>

independent contractor) to terminate his or her employment or engagement by the
Company.

     (b) Notwithstanding anything to the contrary contained herein, Executive,
directly or indirectly, may own publicly traded stock constituting not more than
five percent (5%) of the outstanding shares of such class of stock of any
corporation if, and as long as, Executive is not an officer, director, employee
or agent of, or consultant or advisor to, or has any other relationship or
agreement with such corporation.

     (c) Executive acknowledges that the non-competition provisions contained in
this Agreement are reasonable and necessary, in view of the nature of the
Company and his knowledge thereof, in order to protect the legitimate interests
of the Company.

     11.  Successors; Binding Agreement.
          ------------------------------

      (a) The Company shall require any successor (whether direct or indirect,
by purchase, merger, consolidation or otherwise) to all or substantially all of
the business and/or assets of the Company, by agreement in form and substance
reasonably satisfactory to the Executive, to expressly assume and agree to
perform this Agreement in the same manner and to the same extent that the
Company would be required to perform it if no such succession had taken place.
Failure of the Company to obtain such assumption and agreement prior to the
effectiveness of any such succession shall be a breach of this Agreement and
shall entitle the Executive to compensation from the Company in the same amount
and on the same terms as he would be entitled to hereunder of he terminated his
employment for Good Reason, except that for purposes of implementing the
foregoing, the date on which any such succession becomes effective shall be
deemed the Date of Termination.  As used in this Agreement, "Company" shall mean
the Company as hereinafter defined and any successor to its business and/or
assets as aforesaid that executes and delivers the agreement provided for in
this Section 11 or that otherwise becomes bound by all the terms and provisions
of this Agreement by operation of law.

     (b) This Agreement and all rights of the Executive hereunder shall insure
to the benefit of and be enforced by the Executive's personal or legal
representatives, executors, administrators, successors, heirs, distributee,
devisee, and legatees.  If the Executive should die while any amounts should
still be payable to him hereunder if he had continued to live, all such amounts,
unless otherwise provided herein, shall be paid in accordance with the terms of
this Agreement to the Executive's devisee, legatee, or other designee or, if
there be no such designee, to the Executive's estate (any of which is referred
to herein as a "Beneficiary").

     12. Notice.  For purposes of this Agreement, notices, demands and all other
         -------
communications provided for in this Agreement shall be in writing and shall be
deemed to have been duly given when delivered or (unless otherwise specified)
mailed by United States certified or registered mail, return receipt requested,
postage paid, addressed as follows:

          If to the Company:    IDT Corporation
                                190 Main Street
                                Hackensack, New Jersey 07601


                                       6
<PAGE>

                                Attn:  General Counsel

          If to the Executive:  Hal Brecher
                                609 Meehan
                                Far Rockaway, NY 11691


or to such other address as either party may have furnished to the other in
writing in accordance herewith, except that notices of change of address shall
be effective only upon receipt.

     13.  Miscellaneous.  No provision of this Agreement may be modified, waived
          --------------
or discharged unless such waiver, modification or discharge is agreed to in
writing signed by the Executive and such other officer of the Company as may be
specifically designated by the Board.  No waiver by either party hereto at any
time of any breach by the other party hereto, or compliance with any condition
or provision of this Agreement to be performed by such other party shall be
deemed a waiver of similar or dissimilar provisions or conditions at the same or
prior or subsequent time.  No agreements or representations, oral or otherwise,
express or implied, with respect to the subject matter hereof have been made by
either party which are not set forth expressly in this Agreement.  The validity,
interpretation, construction and performance of this Agreement shall be governed
by the laws of the state of New Jersey without regard to its conflicts of law
principles.

     14. Validity.  The invalidity or unenforceability of any provision or
         ---------
provisions of this Agreement shall not affect the validity or enforceability if
any such other provision of this agreement, which shall remain in full force and
effect.

     15.  Counterparts.  This Agreement may be executed in one or more
          ------------
counterparts, each of which shall be deemed to be an original but all of which
together will constitute one and the same instrument.

     16.  Entire Agreement.  This Agreement sets forth the entire agreement of
          ----------------
the parties hereto in respect of the subject matter contained herein and
supersedes any and all other prior agreements, promises, covenants,
arrangements, communications, representations or warranties, whether oral or
written, by any officer, employee or representative of any party hereto, and in
prior agreements of the parties hereto in respect to the subject matter
contained herein is hereby terminated and canceled.

IN WITNESS WHEREOF, the parties have executed this Agreement as of the date and
year first above written.

                              Executive


                              /s/ Hal Brecher
                              ---------------
                              Hal Brecher



                              IDT Corporation



                              By: /s/ Jim Courter
                                  ---------------
                                  James Courter, President

                                       7

<PAGE>

                                                                   EXHIBIT 10.11


                              EMPLOYMENT AGREEMENT

     EMPLOYMENT AGREEMENT (this "Agreement") dated April 1, 1999, by and between
IDT Corporation, a Delaware corporation (the "Company"), and Howard Jonas (the
"Executive").

     WHEREAS, in recognition of the Executive's experience and abilities, the
Company desires to assure itself of the employment of the Executive in
accordance with the terms and conditions provided herein; and

     WHEREAS, the Executive wishes to perform services for the Company in
accordance with the terms and conditions provided herein.

     NOW, THEREFORE, in consideration of the promises and the respective
covenants and agreements of the parties herein contained, and intending to be
legally bound hereby, the parties hereto agree as follows:

     1.  Employment.  The Company hereby agrees to employ the Executive, and the
         ----------
Executive hereby agrees to perform services for the Company, on the terms and
conditions set forth herein.

     2.  Term.  This Agreement is for the three (3) year period (the "Term")
         ----
commencing on April 1, 1999, and terminating on the third anniversary of such
date, or upon the Executive's earlier death or other termination of employment
pursuant to Section 7 hereof; provided, however, that commencing on April 1,
                              --------  -------
2002 and each anniversary thereafter, the term shall automatically be extended
for one additional year beyond its otherwise scheduled expiration unless, not
later than ninety (90) days prior to any such anniversary, either party hereto
shall have notified the other party  in writing that such extension shall not
take effect.

     3.  Position.  During the Term, the Executive shall serve as the Chief
         --------
Executive Officer of the Company.

     4.  Duties and Reporting Relationship.  During the Term, the Executive
         ---------------------------------
shall, on a full time basis, use his skills and render services to the best of
his abilities in supervising and conducting the operations of the Company.

     5.  Place of Performance.  The Executive shall perform his duties and
         --------------------
conduct his business at the offices of the Company located in Hackensack, New
Jersey, except for required travel on the Company's business.

     6.  Compensation and Related Matters.
         ---------------------------------

     (a) Annual Base Salary.  The Company shall pay to the Executive an annual
         ------------------
base salary (the "Base Salary") at a rate not less than two hundred thousand
dollars ($200,000), such salary to be paid in conformity with the Company's
payroll policies relating to its senior executive officers. The Base Salary may,
from time to time, be increased, however, if the Executive's Base Salary is
increased, it shall not thereafter be decreased during the Term.

     (b) Employee Benefit Plans.  During the Term, the Executive shall be
         ----------------------
entitled to participate in those incentive plans, programs, and arrangements
which are available to other senior executive officers of the Company (the
"Benefits Plans").  The Executive shall be provided benefits under the Benefit
Plans substantially equivalent, in the aggregate, to the benefits provided to
other senior executive officers of the Company and on substantially similar
terms and conditions.
<PAGE>

     (c) Pension and Welfare Benefits.  During the Term, the Executive shall be
         ----------------------------
eligible to participate in the pension and retirement plans (the "Pension
Plans") provided to other senior executive officers of the Company, and
participate fully in all health benefits, insurance programs and other similar
executive welfare benefit arrangements available to other senior executive
officers of the Company and shall be provided benefits under such plans and
arrangements substantially equivalent, in the aggregate, to the benefits
provided to other senior executive officers of the Company and on substantially
similar terms and conditions.  Notwithstanding the foregoing, during the Term,
the Company shall provide the Executive with life and disability insurance at a
benefit level no less favorable to the Executive than the benefit level provided
to him as of the date of this Agreement.

     (d) Fringe Benefits and Perquisites.  During the Term, the Company shall
         -------------------------------
provide to the Executive all of the fringe benefits and perquisites that are
provided to other senior executive officers of the Company, and the Executive
shall be entitled to receive any other fringe benefits or perquisites that
become available to other senior executive officers of the Company subsequent to
the date hereof.  The benefits described herein include, but are not limited to,
an automobile leased for the Executive by the Company, the make and model of
which is consistent with that being used by the Executive on the execution date
of this Agreement.

     (e) Business Expense.  The Executive will be reimbursed for all ordinary
         ----------------
and necessary business expenses incurred by him in connection with his
employment (including without limitation, expenses for travel and entertainment
incurred in conducting or promoting business for the Company) upon submission by
the Executive of receipts and other documentation in accordance with the
Company's normal reimbursement procedures.

     7.  Termination.  The Executive's employment hereunder may be terminated
         -----------
without breach of the Agreement only under the following circumstances:

     (a)  Death.
          -----

     (b) Cause.  The Company may terminate the Executive's employment hereunder
         -----
for "Cause."  For purposes of this Agreement, the Company shall have "Cause" to
terminate the Executive's employment hereunder (i) upon the Executive's
conviction for the commission of an act or acts constituting a felony under the
laws of the United States or any state thereof, or (ii) upon the Executive's
willful and continued failure to substantially perform his duties hereunder
(other than any such failure resulting from the Executive's incapacity due to
physical or mental illness), after written notice has been delivered to the
Executive by the Company, which notice specifically identifies the manner in
which the Executive has not substantially performed his duties, and the
Executive's failure to substantially perform his duties is not cured within ten
(10) business days after notice of such failure has been given to the Executive.
For purposes of this Section 7 (c) , no act or failure to act on the Executive's
part shall be deemed "willful" unless done or omitted to be done, by the
Executive not in good faith and without reasonable belief that the Executive's
act, or failure to act, was in the best interest of the Company.

     (c) Termination by the Executive.  The Executive may terminate his
         ----------------------------
employment hereunder for "Good Reason."  "Good Reason" shall mean the occurrence
(without the Executive's express written consent) of any one of the following
acts by the Company, or failure by the Company to act:

                                       2
<PAGE>

          (i) a material breach of the Agreement by the Company;

          (ii) the assignment to the Executive of any duties inconsistent with
the Executive's status as a senior executive officer of the Company or a
substantial adverse alteration in the nature or status of the Executive's
responsibilities; or

          (iii) any purported termination of the Executive's employment which is
not effected pursuant to a Notice of Termination satisfying the requirement of
paragraph (d) below; for purposes of this Agreement, no such purported
termination shall be effective.

          (iv)  a reduction in Executive's annual Base Salary;

          (v) a significant reduction in Executive's positions, duties,
responsibilities or reporting lines from those described in Section 4 hereof;

          (vi) relocation of Executive's principal place of employment outside
of the Hackensack, New Jersey area;  or

          (vii) a "Change in Control" of the Company, as defined above.

     The Executive's right to terminate the Executive's employment for Good
Reason shall not be affected by the Executive's incapacity due to physical or
mental illness.  The Executive's continued employment shall not constitute
consent to, or a waiver of rights with respect to any act or failure to act
constituting Good Reason hereunder.  Notwithstanding the foregoing, a
termination shall not be treated as a Termination for Good Reason if the
Executive shall have consented in writing to the occurrence of the event giving
rise to the claim of Termination for Good Reason.

     (d) Notice of Termination.  Any termination of the Executive's employment
         ---------------------
by the Company or by the Executive (other than termination under Section 7(a)
hereof) shall be communicated by written Notice of Termination to the other
party hereto in accordance with Section 12 hereof.  For purposes of this
Agreement, a "notice of Termination" shall mean a notice that shall indicate the
specific termination provision in this Agreement relied upon and shall set forth
in reasonable detail the facts and circumstances claims to provide a basis for
termination of the Executive's employment under the provision so indicated.
Further, a Notice of Termination for Cause is required to include a copy of a
resolution duly adopted by the affirmative vote of not less than a majority of
the entire membership of the Board at a meeting of the Board (after reasonable
notice to the Executive and an opportunity for the Executive, together with the
Executive's counsel, to be heard before the Board) finding that, in the good
faith opinion of the Board, the Executive was guilty of conduct set forth in the
definition of Cause herein, and specifying the particulars thereof.

     (e) Date of Termination.  "Date of Termination" shall mean (i) if the
         -------------------
Executive's employment is terminated by his death, the date of his death, or
(ii) if the Executive's employment is terminated pursuant to paragraph (c) or
(d) above, the date specified in the Notice of Termination; provided, however,
                                                            --------  -------
that if within thirty (30) days after any Notice of Termination is given the
party receiving such Notice of Termination notifies the other party that a
dispute exists concerning the termination, the Date of Termination shall be the
date on which the dispute is finally determined.  If within fifteen (15) days
after any Notice of Termination is given, or

                                       3
<PAGE>

if later, prior to the Date of Termination (as determined without regard to the
Section 7(e)), the party receiving such Notice of Termination notifies the other
party that a dispute exists concerning the termination, the Date of Termination
shall be the date on which the dispute is finally resolved, either by mutual
written agreement of the parties or by a final judgment, order or decree of a
court of competent jurisdiction (which is not appealable or with respect to
which the time for appeal, therefrom has expired and no appeal has been
perfected); provided further that the Date of Termination shall be extended by a
notice of dispute only if such notice is given in good faith and the party
giving such notice pursues the resolution of such dispute with reasonable
diligence.

     (f)  Compensation During Dispute.  If a purported termination occurs during
          ---------------------------
the term of this Agreement, and such termination is disputed in accordance with
Section 7(e) hereof, the Company shall continue to pay the Executive the full
compensation in effect when the notice giving rise to the dispute was given
(including, but not limited to, Base Salary) and continue the Executive as a
participant in all compensation, benefit and insurance plans in which the
Executive was participating when the notice giving rise to the dispute was
given, until the dispute is finally resolved.  Amounts paid under this Section
7(f) are in addition to all other amounts due under this Agreement and shall not
be offset against or reduce any other amounts due under this Agreement.

     8.  Compensation Upon Termination or During Disability.
         ---------------------------------------------------

     (a)  Death. In the event that Executive's employment is terminated pursuant
          ------
to Section 7(a) hereof, then as soon as practicable thereafter, the Company
shall pay the Executive's Beneficiary (as defined in Section 11(b) hereof), as
the case may be, (i) all unpaid amounts, if any, to which the Executive was
entitled as of the Date of Termination under Section 6(a) hereof and (ii) all
unpaid amounts to which the Executive was then entitled under the Benefit Plans,
the Pension Plans and any other unpaid employee benefits, perquisites or other
reimbursements (the amounts set forth in clauses (i) and (ii) above being
hereinafter referred to as the "Accrued Obligation").  In addition, the Company
shall pay Executive's estate a lump sum payment equal to 12 months of
Executive's Base Salary (at the rate in effect on the date of his death).

     (b)  Termination for Cause; Voluntary Termination Without Good Reason.  If
          -----------------------------------------------------------------
the Executive's employment is terminated by the Company for Cause or by the
Executive other than for Good Reason, then the Company shall pay all Accrued
Obligations to the Executive and the Company shall have no further obligations
to the Executive under this Agreement.

     (c)  Termination Without Cause; Termination for Good Reason.  If the
          -------------------------------------------------------
Company shall terminate the Executive's employment, other than for Cause, or
the Executive shall terminate his employment for Good Reason, then;

          (i)  the Company shall pay to the executive, within ten (10) days
after the Date of Termination, the Accrued Obligations; and

          (ii)  the Company shall pay the Executive a Severance Benefit as
defined hereunder.

          a. Severance Benefit means the sum of (i) Executive's minimum Base
Salary for the remainder of the Term, but in no event less than twelve (12)
months.

     9.  Non-Disclosure.  The parties hereto agree, recognize and acknowledge
         ---------------
that during the Term the

                                       4
<PAGE>

Executive shall obtain knowledge of confidential information regarding the
business and affairs of the Company. It is therefore agreed that the Executive
will respect and protect the confidentiality of all confidential information
pertaining to the Company, and will not (i) without the prior written consent of
the Company, (ii) unless required in the course of the Executive's employment
hereunder, or (iii) unless required by applicable law, rules, regulations or
court, government or regulatory authority order or decree, disclose in any
fashion such confidential information to any person (other than a person who is
a director of, or who is employed by, the Company or any subsidiary or who is
engaged to render services to the Company or any subsidiary) at any time during
the Term.

     10.  Covenant Not to Compete.
          ------------------------

     (a) Executive hereby agrees that for a period of one (1) year following the
termination of this Agreement (other than a termination of the Executive's
employment (i) by the Executive for Good Reason or (ii) by the Company other
than for Cause)(the "Restricted Period") the Executive shall not, directly or
indirectly, whether acting individually or through any person, firm,
corporation, business or any other entity:

          (i) engage in, or have any interest in any person, firm, corporation,
business or other entity (as an officer, director, employee, agent, stockholder,
or other security holder, creditor, consultant or otherwise) that engages in any
business activity where a substantial aspect of the business of the Company is
conducted, or planned to be conducted, at any time during the Restricted Period,
which business activity is the same as, similar to or competitive with the
Company as the same may be conducted from time to time;

          (ii) interfere with any contractual relationship that may exist from
time to time of the business of the Company, including, but not limited to, any
contractual relationship with any director, officer, employee, or sales agent,
or supplier of the Company; or

          (iii) solicit, induce or influence, or seek to induce or influence,
any person who currently is, or from time to time may be, engaged or employed by
the Company (as an officer, director, employee, agent, or independent
contractor) to terminate his or her employment or engagement by the Company.

     (b) Notwithstanding anything to the contrary contained herein, Executive,
directly or indirectly, may own publicly traded stock constituting not more than
five percent (5%) of the outstanding shares of such class of stock of any
corporation if, and as long as, Executive is not an officer, director, employee
or agent of, or consultant or advisor to, or has any other relationship or
agreement with such corporation.

     (c) Executive acknowledges that the non-competition provisions contained in
this Agreement are reasonable and necessary, in view of the nature of the
Company and his knowledge thereof, in order to protect the legitimate interests
of the Company.

     11.  Successors; Binding Agreement.
          ------------------------------

       (a) The Company shall require any successor (whether direct or indirect,
by purchase, merger, consolidation or otherwise) to all or substantially all of
the business and/or assets of the Company, by agreement in form and substance
reasonably satisfactory to the Executive, to expressly assume and agree to
perform this Agreement in the same manner and to the same extent that the
Company would be required to perform it if no

                                       5
<PAGE>

such succession had taken place. Failure of the Company to obtain such
assumption and agreement prior to the effectiveness of any such succession shall
be a breach of this Agreement and shall entitle the Executive to compensation
from the Company in the same amount and on the same terms as he would be
entitled to hereunder of he terminated his employment for Good Reason, except
that for purposes of implementing the foregoing, the date on which any such
succession becomes effective shall be deemed the Date of Termination. As used in
this Agreement, "Company" shall mean the Company as hereinafter defined and any
successor to its business and/or assets as aforesaid that executes and delivers
the agreement provided for in this Section 11 or that otherwise becomes bound by
all the terms and provisions of this Agreement by operation of law.

     (b) This Agreement and all rights of the Executive hereunder shall insure
to the benefit of and be enforced by the Executive's personal or legal
representatives, executors, administrators, successors, heirs, distributee,
devisee, and legatees.  If the Executive should die while any amounts should
still be payable to him hereunder if he had continued to live, all such amounts,
unless otherwise provided herein, shall be paid in accordance with the terms of
this Agreement to the Executive's devisee, legatee, or other designee or, if
there be no such designee, to the Executive's estate (any of which is referred
to herein as a "Beneficiary").

     12. Notice.  For purposes of this Agreement, notices, demands and all other
         -------
communications provided for in this Agreement shall be in writing and shall be
deemed to have been duly given when delivered or (unless otherwise specified)
mailed by United States certified or registered mail, return receipt requested,
postage paid, addressed as follows:

            If to the Company:  IDT Corporation
                                190 Main Street
                                Hackensack, New Jersey 07601
                         Attn:  General Counsel

          If to the Executive:  Howard Jonas
                         _________________________
                         _________________________

or to such other address as either party may have furnished to the other in
writing in accordance herewith, except that notices of change of address shall
be effective only upon receipt.

     13.  Miscellaneous.  No provision of this Agreement may be modified, waived
          --------------
or discharged unless such waiver, modification or discharge is agreed to in
writing signed by the Executive and such other officer of the Company as may be
specifically designated by the Board.  No waiver by either party hereto at any
time of any breach by the other party hereto, or compliance with any condition
or provision of this Agreement to be performed by such other party shall be
deemed a waiver of similar or dissimilar provisions or conditions at the same or
prior or subsequent time.  No agreements or representations, oral or otherwise,
express or implied, with respect to the subject matter hereof have been made by
either party which are not set forth expressly in this Agreement.  The validity,
interpretation, construction and performance of this Agreement shall be governed
by the laws of the state of New Jersey without regard to its conflicts of law
principles.

     14. Validity.  The invalidity or unenforceability of any provision or
         ---------
provisions of this Agreement shall not affect the validity or enforceability if
any such other provision of this agreement, which shall remain in full

                                       6
<PAGE>

force and effect.

     15.  Counterparts.  This Agreement may be executed in one or more
          ------------
counterparts, each of which shall be deemed to be an original but all of which
together will constitute one and the same instrument.

     16.  Entire Agreement.  This Agreement sets forth the entire agreement of
          ----------------
the parties hereto in respect of the subject matter contained herein and
supersedes any and all other prior agreements, promises, covenants,
arrangements, communications, representations or warranties, whether oral or
written, by any officer, employee or representative of any party hereto, and in
prior agreements of the parties hereto in respect to the subject matter
contained herein is hereby terminated and canceled.

IN WITNESS WHEREOF, the parties have executed this Agreement as of the date and
year first above written.

                              Executive

                              /s/ Howard Jonas
                              _____________________________
                              Howard Jonas



                              IDT Corporation



                              By: /s/ James Courter
                                 _________________________


                                       7

<PAGE>

                                                                   EXHIBIT 10.14

================================================================================


                               CREDIT AGREEMENT

                                     among

                               IDT CORPORATION,

                               VARIOUS LENDERS,

                         LEHMAN COMMERCIAL PAPER INC.,

                    as DOCUMENTATION AGENT and CO-ARRANGER,

                           CIBC WORLD MARKETS CORP.,

                     as SYNDICATION AGENT and CO-ARRANGER,

                                      and

                            BANKERS TRUST COMPANY,
                       as LEAD ARRANGER, BOOKRUNNER and

                             ADMINISTRATIVE AGENT

                      __________________________________
                           Dated as of May 10, 1999
                      __________________________________

<PAGE>

                               TABLE OF CONTENTS
                               -----------------

<TABLE>
<CAPTION>
                                                                                             Page
                                                                                             ----
<S>                                                                                          <C>
SECTION 1.  Amount and Terms of Credit......................................................    1

     1.01  The Commitments..................................................................    1
     1.02  Minimum Amount of Each Borrowing.................................................    4
     1.03  Notice of Borrowing..............................................................    4
     1.04  Disbursement of Funds............................................................    6
     1.05  Notes............................................................................    6
     1.06  Conversions......................................................................    8
     1.07  Pro Rata Borrowings..............................................................    8
     1.08  Interest.........................................................................    9
     1.09  Interest Periods.................................................................   10
     1.10  Increased Costs, Illegality, etc.................................................   11
     1.11  Compensation.....................................................................   13
     1.12  Change of Lending Office.........................................................   13
     1.13  Replacement of Lenders...........................................................   13
     1.14  Incremental Term Loan Commitments................................................   14

SECTION 2.  Letters of Credit...............................................................   16

     2.01  Letters of Credit................................................................   16
     2.02  Maximum Letter of Credit Outstandings; Final Maturities..........................   17
     2.03  Letter of Credit Requests; Minimum Stated Amount.................................   18
     2.04  Letter of Credit Participations..................................................   18
     2.05  Agreement to Repay Letter of Credit Drawings.....................................   20
     2.06  Increased Costs..................................................................   21

SECTION 3.  Commitment Commission; Fees; Reductions of Commitment...........................   22

     3.01  Fees.............................................................................   22
     3.02  Voluntary Termination of Initial Multiple Draw A Term Loan Commitments,
             Incremental Multiple Draw A Term Loan
             Commitments and Unutilized Revolving Loan Commitments..........................   23
     3.03  Mandatory Reduction of Commitments...............................................   24

SECTION 4.  Prepayments; Payments; Taxes....................................................   25

     4.01  Voluntary Prepayments............................................................   25
     4.02  Mandatory Repayments.............................................................   27
     4.03  Method and Place of Payment......................................................   32
     4.04  Net Payments.....................................................................   32
</TABLE>

                                      (i)
<PAGE>

<TABLE>
<CAPTION>
                                                                                             Page
                                                                                             ----
<S>                                                                                          <C>
SECTION 5.  Conditions Precedent to Credit Events on the Initial Borrowing Date.............   34

     5.01  Execution of Agreement; Notes....................................................   34
     5.02  Officer's Certificate............................................................   34
     5.03  Opinions of Counsel..............................................................   34
     5.04  Corporate Documents; Proceedings; etc............................................   34
     5.05  Fees, etc........................................................................   35
     5.06  Adverse Change, etc..............................................................   35
     5.07  Litigation.......................................................................   35
     5.08  Senior Notes Tender Offer/Consent Solicitation...................................   35
     5.09  Pledge Agreement.................................................................   36
     5.10  Security Agreement...............................................................   36
     5.11  Subsidiaries Guaranty............................................................   37
     5.12  Financial Statements; Projections................................................   37
     5.13  Solvency Certificate; Insurance Certificates.....................................   37
     5.14  Plans; Shareholders' Agreements; Management Agreements; Non-Compete
             Agreements; Collective Bargaining Agreements;
             Tax Sharing Agreements; Existing Indebtedness Agreements;
             Operating Agreements...........................................................   37
     5.15  Net2Phone Transaction............................................................   39

SECTION 6.  Conditions Precedent to All Credit Events.......................................   39

     6.01  No Default; Representations and Warranties.......................................   39
     6.02  Notice of Borrowing; Letter of Credit Request....................................   39

SECTION 7.  Representations, Warranties and Agreements......................................   40

     7.01  Organizational Status............................................................   40
     7.02  Power and Authority..............................................................   40
     7.03  No Violation.....................................................................   40
     7.04  Approvals........................................................................   41
     7.05  Financial Statements; Financial Condition; Undisclosed Liabilities;
             Projections; etc...............................................................   41
     7.06  Litigation.......................................................................   42
     7.07  True and Complete Disclosure.....................................................   42
     7.08  Use of Proceeds; Margin Regulations..............................................   43
     7.09  Tax Returns and Payments.........................................................   43
     7.10  Compliance with ERISA............................................................   43
     7.11  The Security Documents...........................................................   45
     7.12  Properties.......................................................................   45
     7.13  Year 2000........................................................................   45
     7.14  Subsidiaries.....................................................................   46
     7.15  Compliance with Statutes, etc....................................................   46
     7.16  Investment Company Act...........................................................   46
     7.17  Public Utility Holding Company Act...............................................   46
     7.18  Environmental Matters............................................................   46
     7.19  Labor Relations..................................................................   47
</TABLE>

                                      (ii)
<PAGE>

<TABLE>
<CAPTION>
                                                                                             Page
                                                                                             ----
<S>                                                                                          <C>
     7.20  Patents, Licenses, Franchises and Formulas.......................................   47
     7.21  Indebtedness.....................................................................   47
     7.22  Capitalization...................................................................   48
     7.23  FCC Licenses.....................................................................   48
     7.24  Other Governmental Authorizations................................................   49
     7.25  Qualification....................................................................   49
     7.26  Insurance........................................................................   49

SECTION 8.  Affirmative Covenants...........................................................   49

     8.01  Information Covenants............................................................   50
     8.02  Books, Records and Inspections; Annual Meetings..................................   53
     8.03  Maintenance of Insurance.........................................................   53
     8.04  Corporate Franchises.............................................................   54
     8.05  Compliance with Statutes, etc....................................................   54
     8.06  Compliance with Environmental Laws...............................................   54
     8.07  ERISA............................................................................   55
     8.08  End of Fiscal Years; Fiscal Quarters.............................................   56
     8.09  Payment of Taxes.................................................................   56
     8.10  Good Repair......................................................................   56
     8.11  Performance of Obligations.......................................................   57
     8.12  Year 2000........................................................................   57
     8.13  Ownership in Net2Phone...........................................................   57
     8.14  Corporate Separateness...........................................................   57
     8.15  Interest Rate Protection.........................................................   58
     8.16  Mortgage; Opinion of Counsel; Title Insurance; etc...............................   58
     8.17  Additional Security; Further Assurances; etc.....................................   59
     8.18  Foreign Subsidiaries Security....................................................   61
     8.19  Permitted Acquisitions...........................................................   62
     8.20  Use of Proceeds..................................................................   64

SECTION 9.  Negative Covenants..............................................................   64

     9.01  Liens............................................................................   64
     9.02  Consolidation, Merger, Purchase or Sale of Assets, etc...........................   66
     9.03  Dividends........................................................................   69
     9.04  Indebtedness.....................................................................   70
     9.05  Advances, Investments and Loans..................................................   71
     9.06  Transactions with Affiliates.....................................................   74
     9.07  Capital Expenditures.............................................................   75
     9.08  Consolidated Interest Coverage Ratio.............................................   76
     9.09  Maximum Consolidated Leverage Ratio..............................................   76
     9.10  Minimum Consolidated EBITDA......................................................   77
     9.11  Limitations on Modifications of Certificate of Incorporation,
              By-Laws and Certain Other Agreements; etc.....................................   77
     9.12  Limitation on Certain Restrictions on Subsidiaries...............................   78


                                     (iii)
<PAGE>

     9.13  Limitation on Issuance of Capital Stock..........................................   78
     9.14  Business; etc....................................................................   78
     9.15  Limitation on Creation of Subsidiaries...........................................   79
     9.16  FCC Licenses and Governmental Authorizations.....................................   80

SECTION 10.  Events of Default..............................................................   80

     10.01  Payments........................................................................   80
     10.02  Representations, etc............................................................   81
     10.03  Covenants.......................................................................   81
     10.04  Default Under Other Agreements..................................................   81
     10.05  Bankruptcy, etc.................................................................   81
     10.06  ERISA...........................................................................   82
     10.07  Security Documents..............................................................   82
     10.08  Subsidiaries Guaranty...........................................................   83
     10.09  Judgments.......................................................................   83
     10.10  Change of Control...............................................................   83
     10.11  Failure to Comply with the Communications Act...................................   83
     10.12  Licenses........................................................................   83
     10.13  Operating Agreements............................................................   83

SECTION 11.  Definitions and Accounting Terms...............................................   84

     11.01  Defined Terms...................................................................   84

SECTION 12.  The Administrative Agent.......................................................  113

     12.01  Appointment.....................................................................  113
     12.02  Nature of Duties................................................................  114
     12.03  Lack of Reliance on the Administrative Agent....................................  114
     12.04  Certain Rights of the Administrative Agent......................................  114
     12.05  Reliance........................................................................  115
     12.06  Indemnification.................................................................  115
     12.07  The Administrative Agent in its Individual Capacity.............................  115
     12.08  Holders.........................................................................  116
     12.09  Resignation by the Administrative Agent.........................................  116
     12.10  Syndication Agent and Documentation Agent.......................................  116

SECTION 13.  Miscellaneous..................................................................  116

     13.01  Payment of Expenses, etc........................................................  116
     13.02  Right of Setoff.................................................................  118
     13.03  Notices.........................................................................  118
</TABLE>

SCHEDULE I      Loan Commitments
SCHEDULE II     Lender Addresses
SCHEDULE III    Real Property

                                      (iv)
<PAGE>

SCHEDULE IV     Subsidiaries
SCHEDULE V      Existing Indebtedness
SCHEDULE VI     FCC Licenses
SCHEDULE VII    Governmental Authorizations
SCHEDULE VIII   Insurance
SCHEDULE IX     Existing Liens
SCHEDULE X      Existing Investments
SCHEDULE XI     Certain Pledge Agreement Collateral

EXHIBIT A       Notice of Borrowing
EXHIBIT B-1     Multiple Draw A Term Note
EXHIBIT B-2     B Term Note
EXHIBIT B-3     Revolving Note
EXHIBIT B-4     Swingline Note
EXHIBIT C       Incremental Term Loan Commitment Agreement
EXHIBIT D       Letter of Credit Request
EXHIBIT E       Section 4.04(b)(ii) Certificate
EXHIBIT F-1     Opinion of  Morrison & Foerster, LLP
EXHIBIT F-2     Opinion of Swidler Berlin Shereff Friedman, LLP
EXHIBIT F-3     Opinion of Ravin, Sarasohn, Cook, Baumgarten, Fisch & Rosen
EXHIBIT F-4     Opinion of General Counsel of the Borrower
EXHIBIT G       Officers' Certificate
EXHIBIT H       Pledge Agreement
EXHIBIT I       Security Agreement
EXHIBIT J       Subsidiaries Guaranty
EXHIBIT K       Solvency Certificate
EXHIBIT L       Subordination Provisions
EXHIBIT M       Assignment and Assumption Agreement
EXHIBIT N       Intercompany Note

                                      (v)
<PAGE>

          CREDIT AGREEMENT, dated as of May 10, 1999, among IDT CORPORATION, a
Delaware corporation (the "Borrower"), the Lenders party hereto from time to
time, LEHMAN COMMERCIAL PAPER INC., as documentation agent and co-arranger (in
such capacity, the "Documentation Agent"), CIBC WORLD MARKETS CORP., as
syndication agent and co-arranger (in such capacity, the "Syndication Agent"),
and BANKERS TRUST COMPANY, as lead arranger, bookrunner and administrative agent
(in such capacity, the "Administrative Agent").  All capitalized terms used
herein and defined in Section 11 are used herein as therein defined.

                             W I T N E S S E T H:
                             -------------------

          WHEREAS, subject to and upon the terms and conditions set forth
herein, the Lenders are willing to make available to the Borrower the respective
credit facilities provided for herein;

          NOW, THEREFORE, IT IS AGREED:

          SECTION 1.  Amount and Terms of Credit.
                      --------------------------

          1.01  The Commitments.  (a)  Subject to and upon the terms and
                ---------------
conditions set forth herein, each Lender with an Initial Multiple Draw A Term
Loan Commitment severally agrees to make on each Initial Multiple Draw A Term
Loan Borrowing Date a term loan or term loans (each an "Initial Multiple Draw A
Term Loan" and, collectively, the "Initial Multiple Draw A Term Loans") to the
Borrower, which Initial Multiple Draw A Term Loans (i) only may be incurred on
and after the Initial Borrowing Date and prior to the Term Loan Commitment
Termination Date, (ii) shall, at the option of the Borrower, be incurred and
maintained as, and/or converted into, Base Rate Loans or Eurodollar Loans,

provided that, (A) except as otherwise specifically provided in Section 1.10(b),
- --------
all Initial Multiple Draw A Term Loans comprising the same Borrowing shall at
all times be of the same Type and (B) no Initial Multiple Draw A Term Loans
maintained as Eurodollar Loans may be incurred prior to the earlier of (1) the
90th day following the Initial Borrowing Date and (2) the Syndication Date, and
(iii) shall be made by each such Lender in that aggregate principal amount which
does not exceed the Initial Multiple Draw A Term Loan Commitment of such Lender
on any such Initial Multiple Draw A Term Loan Borrowing Date.  Once repaid,
Initial Multiple Draw A Term Loans incurred hereunder may not be reborrowed.

          (b)  Subject to and upon the terms and conditions set forth herein,
each Lender with an Initial B Term Loan Commitment severally agrees to make a
term loan or term loans (each an "Initial B Term Loan" and, collectively, the
"Initial B Term Loans") to the Borrower, which Initial B Term Loans (i) only may
be incurred on the Initial Borrowing Date, (ii) shall, at the option of the
Borrower, be incurred and maintained as, and/or converted into, Base Rate Loans
or Eurodollar Loans, provided that, (A) except as otherwise specifically
                     --------
provided in Section 1.10(b), all Initial B Term Loans comprising the same
Borrowing shall at all times be of the same Type and (B) no Initial B Term Loans
maintained as Eurodollar Loans may be incurred prior to the earlier of (1) the
90th day following the Initial Borrowing Date and (2) the
<PAGE>

Syndication Date, and (iii) shall be made by each such Lender in that aggregate
principal amount which does not exceed the Initial B Term Loan Commitment of
such Lender on the Initial Borrowing Date. Once repaid, Initial B Term Loans
incurred hereunder may not be reborrowed.

          (c) Subject to Section 1.14 and the other terms and conditions set
forth herein, each Lender with an Incremental Multiple Draw A Term Loan
Commitment severally agrees to make on each Incremental Multiple Draw A Term
Loan Borrowing Date a term loan or term loans (each an "Incremental Multiple
Draw A Term Loan" and, collectively, the "Incremental Multiple Draw A Term
Loans") to the Borrower, which Incremental Multiple Draw A Term Loans (i) only
may be incurred after the Initial Multiple Draw A Term Loan Full Utilization
Date and prior to the Term Loan Commitment Termination Date, (ii) shall, at the
option of the Borrower, be incurred and maintained as, and/or converted into,
Base Rate Loans or Eurodollar Loans, provided that, except as otherwise
                                     --------
specifically provided in Sections 1.10(b) and 1.14, all Incremental Multiple
Draw A Term Loans comprising the same Borrowing shall at all times be of the
same Type, and (iii) shall be made by each such Lender in that aggregate
principal amount which does not exceed the Incremental Multiple Draw A Term Loan
Commitment of such Lender on any such Incremental Multiple Draw A Term Loan
Borrowing Date.  Once repaid, Incremental Multiple Draw A Term Loans incurred
hereunder may not be reborrowed.

          (d) Subject to Section 1.14 and the other terms and conditions set
forth herein, each Lender with an Incremental B Term Loan Commitment severally
agrees to make a term loan or term loans (each an "Incremental B Term Loan" and,
collectively, the "Incremental B Term Loans") to the Borrower, which Incremental
B Term Loans (i) only may be incurred on an Incremental B Term Loan Borrowing
Date (which date, in any event, shall be the date of the effectiveness of the
applicable Incremental Term Loan Commitment Agreement pursuant to which such
Incremental B Term Loans are to be made) after the Initial Multiple Draw A Term
Loan Full Utilization Date and prior to the Term Loan Commitment Termination
Date, provided that with the consent of the Agents, the Borrower may incur
Incremental B Term Loans on an Incremental B Term Loan Borrowing Date occurring
prior to the Initial Multiple Draw A Term Loan Full Utilization Date, (ii)
shall, at the option of the Borrower, be incurred and maintained as, and/or
converted into, Base Rate Loans or Eurodollar Loans, provided that, except as
                                                     --------
otherwise specifically provided in Sections 1.10(b) and 1.14, all Incremental B
Term Loans comprising the same Borrowing shall at all times be of the same Type,
and (iii) shall be made by each such Lender in that aggregate principal amount
which does not exceed the Incremental B Term Loan Commitment of such Lender on
each such Incremental B Term Loan Borrowing Date.  Once repaid, Incremental B
Term Loans incurred hereunder may not be reborrowed.

          (e) Subject to and upon the terms and conditions set forth herein,
each Lender with a Revolving Loan Commitment severally agrees to make, at any
time and from time to time on or after the Initial Borrowing Date and prior to
the Revolving Loan Maturity Date, a revolving loan or revolving loans (each a
"Revolving Loan" and, collectively, the "Revolving Loans") to the Borrower,
which Revolving Loans (i) shall, at the option of the Borrower, be incurred and
maintained as, and/or converted into, Base Rate Loans or Eurodollar Loans,
provided that, (A) except as otherwise specifically provided in Section 1.10(b),
- --------
all Revolving Loans comprising the same Borrowing shall at all times be of the
same Type and (B) no Revolving Loans maintained

                                      -2-
<PAGE>

as Eurodollar Loans may be incurred prior to the earlier of (1) the 90th day
following the Initial Borrowing Date and (2) the Syndication Date, (ii) may be
repaid and reborrowed in accordance with the provisions hereof, (iii) shall not
exceed for any such Lender at any time outstanding that aggregate principal
amount which, when added to the product of (x) such Lender's RL Percentage and
(y) the sum of (I) the aggregate amount of all Letter of Credit Outstandings
(exclusive of Unpaid Drawings which are repaid with the proceeds of, and
simultaneously with the incurrence of, the respective incurrence of Revolving
Loans) at such time and (II) the aggregate principal amount of all Swingline
Loans (exclusive of Swingline Loans which are repaid with the proceeds of, and
simultaneously with the incurrence of, the respective incurrence of Revolving
Loans) then outstanding, equals the Revolving Loan Commitment of such Lender at
such time, and (iv) shall not exceed for all such Lenders at any time
outstanding that aggregate principal amount which, when added to the sum of (I)
the aggregate amount of all Letter of Credit Outstandings (exclusive of Unpaid
Drawings which are repaid with the proceeds of, and simultaneously with the
incurrence of, the respective incurrence of Revolving Loans) at such time and
(II) the aggregate principal amount of all Swingline Loans (exclusive of
Swingline Loans which are repaid with the proceeds of, and simultaneously with
the incurrence of, the respective incurrence of Revolving Loans) then
outstanding, equals the Total Revolving Loan Commitment at such time.

          (f) Subject to and upon the terms and conditions set forth herein, the
Swingline Lender agrees to make, at any time and from time to time on or after
the Initial Borrowing Date and prior to the Swingline Expiry Date, a revolving
loan or revolving loans (each a "Swingline Loan" and, collectively, the
"Swingline Loans") to the Borrower, which Swingline Loans (i) shall be made and
maintained as Base Rate Loans, (ii) may be repaid and reborrowed in accordance
with the provisions hereof, (iii) shall not exceed in aggregate principal amount
at any time outstanding, when combined with the aggregate principal amount of
all Revolving Loans then outstanding and the aggregate amount of all Letter of
Credit Outstandings at such time, an amount equal to the Total Revolving Loan
Commitment, and (iv) shall not exceed in aggregate principal amount at any time
outstanding the Maximum Swingline Amount.  Notwithstanding anything to the
contrary contained in this Section 1.01(f), (i) the Swingline Lender shall not
be obligated to make any Swingline Loans at a time when a Lender Default exists
unless the Swingline Lender has entered into arrangements satisfactory to it and
the Borrower to eliminate the Swingline Lender's risk with respect to the
Defaulting Lender's or Lenders' participation in such Swingline Loans, including
by cash collateralizing such Defaulting Lender's or Lenders' RL Percentage of
the outstanding Swingline Loans and (ii) the Swingline Lender shall not make any
Swingline Loan after it has received written notice from the Borrower or the
Required Lenders stating that a Default or an Event of Default exists and is
continuing until such time as the Swingline Lender shall have received written
notice (A) of rescission of all such notices from the party or parties
originally delivering such notice or notices or (B) of the waiver of such
Default or Event of Default by the Required Lenders.

          (g) On any Business Day, the Swingline Lender may, in its sole
discretion, give notice to the RL Lenders that the Swingline Lender's
outstanding Swingline Loans shall be funded with one or more Borrowings of
Revolving Loans (provided that such notice shall be deemed to have been
                 --------
automatically given upon the occurrence of a Default or an Event of

                                      -3-
<PAGE>

Default under Section 10.05 or upon the exercise of any of the remedies provided
in the last paragraph of Section 10), in which case one or more Borrowings of
Revolving Loans constituting Base Rate Loans (each such Borrowing, a "Mandatory
Borrowing") shall be made on the immediately succeeding Business Day by all RL
Lenders pro rata based on each RL Lender's RL Percentage (determined before
        --- ----
giving effect to any termination of the Revolving Loan Commitments pursuant to
the last paragraph of Section 10) and the proceeds thereof shall be applied
directly by the Swingline Lender to repay the Swingline Lender for such
outstanding Swingline Loans.  Each RL Lender hereby irrevocably agrees to make
Revolving Loans upon one Business Day's notice pursuant to each Mandatory
Borrowing in the amount and in the manner specified in the preceding sentence
and on the date specified in writing by the Swingline Lender notwithstanding (i)
the amount of the Mandatory Borrowing may not comply with the Minimum Borrowing
Amount otherwise required hereunder, (ii) whether any conditions specified in
Section 6 are then satisfied, (iii) whether a Default or an Event of Default
then exists, (iv) the date of such Mandatory Borrowing and (v) the amount of the
Total Revolving Loan Commitment at such time.  In the event that any Mandatory
Borrowing cannot for any reason be made on the date otherwise required above
(including, without limitation, as a result of the commencement of a proceeding
under the Bankruptcy Code with respect to the Borrower), then each RL Lender
hereby agrees that it shall forthwith purchase (as of the date the Mandatory
Borrowing would otherwise have occurred, but adjusted for any payments received
from the Borrower on or after such date and prior to such purchase) from the
Swingline Lender such participations in the outstanding Swingline Loans as shall
be necessary to cause the RL Lenders to share in such Swingline Loans ratably
based upon their respective RL Percentages (determined before giving effect to
any termination of the Revolving Loan Commitments pursuant to the last paragraph
of Section 10), provided that (x) all interest payable on the Swingline Loans
                --------
shall be for the account of the Swingline Lender until the date as of which the
respective participation is required to be purchased and, to the extent
attributable to the purchased participation, shall be payable to the participant
from and after such date and (y) at the time any purchase of participations
pursuant to this sentence is actually made, the purchasing RL Lender shall be
required to pay the Swingline Lender interest on the principal amount of
participation purchased for each day from and including the day upon which the
Mandatory Borrowing would otherwise have occurred to but excluding the date of
payment for such participation, at the overnight Federal Funds Rate for the
first three days and at the rate otherwise applicable to Revolving Loans
maintained as Base Rate Loans hereunder for each day thereafter.

          1.02  Minimum Amount of Each Borrowing.  The aggregate principal
                --------------------------------
amount of each Borrowing of Loans under a respective Tranche shall not be less
than the Minimum Borrowing Amount applicable to such Tranche.  More than one
Borrowing may occur on the same date, but at no time shall there be outstanding
more than ten Borrowings of Eurodollar Loans in the aggregate for all Tranches
of Loans; provided, however, for every $25,000,000 of Incremental Term Loan
          --------  -------
Commitments that the Borrower has obtained pursuant to Section 1.14, the
Borrower shall be entitled to one additional Borrowing of Eurodollar Loans
hereunder.

          1.03  Notice of Borrowing.  (a)  Whenever the Borrower desires to
                -------------------
incur (x) Eurodollar Loans hereunder, the Borrower shall give the Administrative
Agent at the Notice Office at least three Business Days' prior notice of each
Eurodollar Loan to be incurred

                                      -4-
<PAGE>

hereunder and (y) Base Rate Loans hereunder (excluding Swingline Loans and
Revolving Loans made pursuant to a Mandatory Borrowing), the Borrower shall give
the Administrative Agent at the Notice Office at least one Business Day's prior
notice of each Base Rate Loan to be incurred hereunder, provided that (in each
                                                        --------
case) any such notice shall be deemed to have been given on a certain day only
if given before 12:00 Noon (New York time) on such day. Each such notice (each a
"Notice of Borrowing"), except as otherwise expressly provided in Section 1.10,
shall be irrevocable and shall be given by the Borrower in writing, or by
telephone promptly confirmed in writing, in the form of Exhibit A, appropriately
completed to specify the aggregate principal amount of the Loans to be incurred
pursuant to such Borrowing, the date of such Borrowing (which shall be a
Business Day), whether the Loans being incurred pursuant to such Borrowing shall
constitute Initial Multiple Draw A Term Loans, Initial B Term Loans, Incremental
Multiple Draw A Term Loans, Incremental B Term Loans or Revolving Loans and
whether the Loans being incurred pursuant to such Borrowing are to be initially
maintained as Base Rate Loans or, to the extent permitted hereunder, Eurodollar
Loans and, if Eurodollar Loans, the initial Interest Period to be applicable
thereto. The Administrative Agent shall promptly give each Lender which is
required to make Loans of the Tranche specified in the respective Notice of
Borrowing notice of such proposed Borrowing, of such Lender's proportionate
share thereof and of the other matters required by the immediately preceding
sentence to be specified in the Notice of Borrowing.

          (b) (i)  Whenever the Borrower desires to incur Swingline Loans
hereunder, the Borrower shall give the Swingline Lender no later than 1:00 P.M.
(New York time) on the date that a Swingline Loan is to be incurred hereunder,
written notice or telephonic notice promptly confirmed in writing of each
Swingline Loan to be incurred hereunder. Each such notice shall be irrevocable
and specify in each case (A) the date of Borrowing (which shall be a Business
Day) and (B) the aggregate principal amount of the Swingline Loans to be
incurred pursuant to such Borrowing.

          (ii) Mandatory Borrowings shall be made upon the notice specified in
Section 1.01(g), with the Borrower irrevocably agreeing, by its incurrence of
any Swingline Loan, to the making of the Mandatory Borrowings as set forth in
Section 1.01(g).

          (c) Without in any way limiting the obligation of the Borrower to
confirm in writing any telephonic notice of any Borrowing or prepayment of
Loans, the Administrative Agent or the Swingline Lender, as the case may be, may
act without liability upon the basis of telephonic notice of such Borrowing or
prepayment, as the case may be, believed by the Administrative Agent or the
Swingline Lender, as the case may be, in good faith to be from the Chairman of
the Board, the Chief Executive Officer, the President, the Chief Financial
Officer, the Treasurer or any Assistant Treasurer of the Borrower, or from any
other authorized officer of the Borrower designated in writing by any of the
foregoing officers of the Borrower to the Administrative Agent as being
authorized to give such notices, prior to receipt of written confirmation.  In
each such case, the Borrower hereby waives the right to dispute the
Administrative Agent's or Swingline Lender's record of the terms of such
telephonic notice of such Borrowing or prepayment of Loans, as the case may be,
absent manifest error.

                                      -5-
<PAGE>

          1.04  Disbursement of Funds.  No later than 12:00 Noon (New York time)
                ---------------------
on the date specified in each Notice of Borrowing (or (x) in the case of
Swingline Loans, no later than 3:00 P.M. (New York time) on the date specified
pursuant to Section 1.03(b)(i) or (y) in the case of Mandatory Borrowings, no
later than 1:00 P.M. (New York time) on the date specified in Section 1.01(g)),
each Lender with a Commitment of the respective Tranche will make available its
pro rata portion (determined in accordance with Section 1.07) of each such
- --- ----
Borrowing requested to be made on such date (or in the case of Swingline Loans,
the Swingline Lender will make available the full amount thereof).  All such
amounts will be made available in Dollars and in immediately available funds at
the Payment Office, and, except for Revolving Loans made pursuant to a Mandatory
Borrowing, the Administrative Agent will make available to the Borrower at the
Payment Office the aggregate of the amounts so made available by the Lenders.
Unless the Administrative Agent shall have been notified by any Lender prior to
the date of Borrowing that such Lender does not intend to make available to the
Administrative Agent such Lender's portion of any Borrowing to be made on such
date, the Administrative Agent may assume that such Lender has made such amount
available to the Administrative Agent on such date of Borrowing and the
Administrative Agent may (but shall not be obligated to), in reliance upon such
assumption, make available to the Borrower a corresponding amount.  If such
corresponding amount is not in fact made available to the Administrative Agent
by such Lender, the Administrative Agent shall be entitled to recover such
corresponding amount on demand from such Lender.  If such Lender does not pay
such corresponding amount forthwith upon the Administrative Agent's demand
therefor, the Administrative Agent shall promptly notify the Borrower and the
Borrower shall immediately pay such corresponding amount to the Administrative
Agent.  The Administrative Agent also shall be entitled to recover on demand
from such Lender or the Borrower, as the case may be, interest on such
corresponding amount in respect of each day from the date such corresponding
amount was made available by the Administrative Agent to the Borrower until the
date such corresponding amount is recovered by the Administrative Agent, at a
rate per annum equal to (i) if recovered from such Lender, at the overnight
Federal Funds Rate for the first three days and at the rate of interest
otherwise applicable to the respective Borrowing for each day thereafter and
(ii) if recovered from the Borrower, the rate of interest applicable to the
respective Borrowing, as determined pursuant to Section 1.08.  Nothing in this
Section 1.04 shall be deemed to relieve any Lender from its obligation to make
Loans hereunder or to prejudice any rights which the Borrower may have against
any Lender as a result of any failure by such Lender to make Loans hereunder.

          1.05  Notes.  (a)  The Borrower's obligation to pay the principal of,
                -----
and interest on, the Loans made by each Lender shall be evidenced in the
Register maintained by the Administrative Agent pursuant to Section 13.15 and
shall, if requested by such Lender, also be evidenced (i) if Multiple Draw A
Term Loans, by a promissory note duly executed and delivered by the Borrower
substantially in the form of Exhibit B-1, with blanks appropriately completed in
conformity herewith (each a "Multiple Draw A Term Note" and, collectively, the
"Multiple Draw A Term Notes"), (ii) if B Term Loans, by a promissory note duly
executed and delivered by the Borrower substantially in the form of Exhibit B-2,
with blanks appropriately completed in conformity

                                      -6-
<PAGE>

herewith (each a "B Term Note" and, collectively, the "B Term Notes"), (iii) if
Revolving Loans, by a promissory note duly executed and delivered by the
Borrower substantially in the form of Exhibit B-3, with blanks appropriately
completed in conformity herewith (each a "Revolving Note" and, collectively, the
"Revolving Notes") and (iv) if Swingline Loans, by a promissory note duly
executed and delivered by the Borrower substantially in the form Exhibit B-4,
with blanks appropriately completed in conformity herewith (the "Swingline
Note").

          (b) The Multiple Draw A Term Note issued to each Lender that has a
Multiple Draw A Term Loan Commitment or outstanding Multiple Draw A Term Loans
shall (i) be executed by the Borrower, (ii) be payable to such Lender or its
registered assigns and be dated the Initial Borrowing Date (or, if issued after
the Initial Borrowing Date, be dated the date of issuance thereof), (iii) be in
a stated principal amount equal to the sum of the outstanding Multiple Draw A
Term Loans of such Lender at such time plus the aggregate amount of the Multiple
Draw A Term Loan Commitment, if any, of such Lender at such time, and be payable
in the outstanding principal amount of Multiple Draw A Term Loans evidenced
thereby, (iv) mature on the Multiple Draw A Term Loan Maturity Date, (v) bear
interest as provided in the appropriate clause of Section 1.08 in respect of the
Base Rate Loans and Eurodollar Loans, as the case may be, evidenced thereby,
(vi) be subject to voluntary prepayment as provided in Section 4.01, and
mandatory repayment as provided in Section 4.02, and (vii) be entitled to the
benefits of this Agreement and the other Credit Documents.

          (c) The B Term Note issued to each Lender that has a B Term Loan
Commitment or outstanding B Term Loans shall (i) be executed by the Borrower,
(ii) be payable to such Lender or its registered assigns and be dated the
Initial Borrowing Date (or, if issued after the Initial Borrowing Date, be dated
the date of the issuance thereof), (iii) be in a stated principal amount equal
to the sum of the outstanding B Term Loans of such Lender at such time plus the
amount of B Term Loan Commitment, if any, of such Lender at such time, and be
payable in the outstanding principal amount of B Term Loans evidenced thereby,
(iv) mature on the B Term Loan Maturity Date, (v) bear interest as provided in
the appropriate clause of Section 1.08 in respect of the Base Rate Loans and
Eurodollar Loans, as the case may be, evidenced thereby, (vi) be subject to
voluntary prepayment as provided in Section 4.01, and mandatory repayment as
provided in Section 4.02, and (vii) be entitled to the benefits of this
Agreement and the other Credit Documents.

          (d) The Revolving Note issued to each Lender that has a Revolving Loan
Commitment or outstanding Revolving Loans shall (i) be executed by the Borrower,
(ii) be payable to such Lender or its registered assigns and be dated the
Initial Borrowing Date (or, if issued after the Initial Borrowing Date, be dated
the date of the issuance thereof), (iii) be in a stated principal amount equal
to the Revolving Loan Commitment of such Lender (or, if issued after the
termination thereof, be in a stated principal amount equal to the outstanding
Revolving Loans of such Lender at such time) and be payable in the outstanding
principal amount of the Revolving Loans evidenced thereby, (iv) mature on the
Revolving Loan Maturity Date, (v) bear interest as provided in the appropriate
clause of Section 1.08 in respect of the Base Rate Loans and Eurodollar Loans,
as the case may be, evidenced thereby, (vi) be subject to voluntary prepayment
as provided in Section 4.01, and mandatory repayment as provided in Section
4.02, and (vii) be entitled to the benefits of this Agreement and the other
Credit Documents.

                                      -7-
<PAGE>

          (e) The Swingline Note issued to the Swingline Lender shall (i) be
executed by the Borrower, (ii) be payable to the Swingline Lender or its
registered assigns and be dated the Initial Borrowing Date, (iii) be in a stated
principal amount equal to the Maximum Swingline Amount and be payable in the
outstanding principal amount of the Swingline Loans evidenced thereby from time
to time, (iv) mature on the Swingline Expiry Date, (v) bear interest as provided
in the appropriate clause of Section 1.08 in respect of the Base Rate Loans
evidenced thereby, (vi) be subject to voluntary prepayment as provided in
Section 4.01, and mandatory repayment as provided in Section 4.02, and (vii) be
entitled to the benefits of this Agreement and the other Credit Documents.

          (f)  Each Lender will note on its internal records the amount of each
Loan made by it and each payment in respect thereof and will prior to any
transfer of any of its Notes endorse on the reverse side thereof the outstanding
principal amount of Loans evidenced thereby.  Failure to make any such notation
or any error in such notation shall not affect the Borrower's obligations in
respect of such Loans.

          1.06  Conversions.  The Borrower shall have the option to convert, on
                -----------
any Business Day occurring on or after the earlier of (A) the 90th day after the
Initial Borrowing Date and (B) the Syndication Date, all or a portion equal to
at least the Minimum Borrowing Amount of the outstanding principal amount of
Loans (other than Swingline Loans which may not be converted pursuant to this
Section 1.06) made pursuant to one or more Borrowings (so long as of the same
Tranche) of one or more Types of Loans into a Borrowing (of the same Tranche) of
another Type of Loan, provided that, (i) except as otherwise provided in Section
                      --------
1.10(b), Eurodollar Loans may be converted into Base Rate Loans only on the last
day of an Interest Period applicable to the Loans being converted and no such
partial conversion of Eurodollar Loans shall reduce the outstanding principal
amount of such Eurodollar Loans made pursuant to a single Borrowing to less than
the Minimum Borrowing Amount applicable thereto, (ii) unless the Required
Lenders otherwise agree, Base Rate Loans may only be converted into Eurodollar
Loans if no Default or Event of Default is in existence on the date of the
conversion and (iii) no conversion pursuant to this Section 1.06 shall result in
a greater number of Borrowings of Eurodollar Loans than is permitted under
Section 1.02. Each such conversion shall be effected by the Borrower by giving
the Administrative Agent at the Notice Office prior to 12:00 Noon (New York
time) at least three Business Days' prior notice (each a "Notice of Conversion")
specifying the Loans to be so converted, the Borrowing or Borrowings pursuant to
which such Loans were made and, if to be converted into Eurodollar Loans, the
Interest Period to be initially applicable thereto.  The Administrative Agent
shall give each Lender prompt notice of any such proposed conversion affecting
any of its Loans. Upon any such conversion the proceeds thereof will be deemed
to be applied directly on the day of such conversion to prepay the outstanding
principal amount of the Loans being converted.

          1.07  Pro Rata Borrowings.  All Borrowings of Initial Multiple Draw A
                -------------------
Term Loans, Initial B Term Loans, Incremental Multiple Draw A Term Loans,
Incremental B Term Loans and Revolving Loans under this Agreement shall be
incurred from the Lenders pro rata on the basis of their Initial Multiple Draw A
                          --- ----
Term Loan Commitments, Initial B Term Loan Commitments, Incremental Multiple
Draw A Term Loan Commitments, Incremental B Term

                                      -8-
<PAGE>

Loan Commitments or Revolving Loan Commitments, as the case may be. It is
understood that no Lender shall be responsible for any default by any other
Lender of its obligation to make Loans hereunder and that each Lender shall be
obligated to make the Loans provided to be made by it hereunder, regardless of
the failure of any other Lender to make its Loans hereunder.

          1.08  Interest.  (a)  The Borrower agrees to pay interest in respect
                --------
of the unpaid principal amount of each Base Rate Loan from the date of Borrowing
thereof until the earlier of (i) the maturity thereof (whether by acceleration
or otherwise) and (ii) the conversion of such Base Rate Loan to a Eurodollar
Loan at a rate per annum which shall be equal to the sum of the Applicable
Margin plus the Base Rate each as in effect from time to time.

          (b) The Borrower agrees to pay interest in respect of the unpaid
principal amount of each Eurodollar Loan from the date of Borrowing thereof
until the earlier of (i) the maturity thereof (whether by acceleration or
otherwise) and (ii) the conversion of such Eurodollar Loan to a Base Rate Loan
at a rate per annum which shall, during each Interest Period applicable thereto,
be equal to the sum of the Applicable Margin plus the Eurodollar Rate for such
Interest Period.

          (c) Overdue principal and, to the extent permitted by law, overdue
interest in respect of each Loan shall, in each case, bear interest at a rate
per annum equal to the greater of (x) the rate which is 2% in excess of the rate
then borne by such Loans and (y) the rate which is 2% in excess of the rate
otherwise applicable to Base Rate Loans of the respective Tranche from time to
time, and all other overdue amounts payable hereunder shall bear interest at a
rate per annum equal to the rate which is 2% in excess of the rate applicable to
Revolving Loans maintained as Base Rate Loans from time to time.  Interest which
accrues under this Section 1.08(c) shall be payable on demand.

          (d) Accrued (and theretofore unpaid) interest shall be payable (i) in
respect of each Base Rate Loan, quarterly in arrears on each Quarterly Payment
Date, (ii) in respect of each Eurodollar Loan, on the last day of each Interest
Period applicable thereto and, in the case of an Interest Period in excess of
three months, on each date occurring at three month intervals after the first
day of such Interest Period, and (iii) in respect of each Loan, on any repayment
or prepayment (on the amount repaid or prepaid), at maturity (whether by
acceleration or otherwise) and, after such maturity, on demand, provided that,
                                                                --------
in the case of Base Rate Loans, interest shall not be payable pursuant to
preceding clause (iii) at the time of any repayment or prepayment thereof (but
shall otherwise be payable as provided in preceding clause (i)) unless the
respective repayment or prepayment is made in conjunction with the repayment or
prepayment in full of the Loans of the respective Tranche and, in the case of
Revolving Loans, in conjunction with a permanent reduction of the Total
Revolving Loan Commitment.

          (e) Upon each Interest Determination Date, the Administrative Agent
shall determine the Eurodollar Rate for each Interest Period applicable to the
respective Eurodollar Loans and shall promptly notify the Borrower and the
Lenders thereof.  Each such determination shall, absent manifest error, be final
and conclusive and binding on all parties hereto.

                                      -9-
<PAGE>

          1.09  Interest Periods.  At the time the Borrower gives any Notice of
                ----------------
Borrowing or Notice of Conversion in respect of the making of, or conversion
into, any Eurodollar Loan (in the case of the initial Interest Period applicable
thereto) or prior to 12:00 Noon (New York time) on the third Business Day prior
to the expiration of an Interest Period applicable to such Eurodollar Loan (in
the case of any subsequent Interest Period), the Borrower shall have the right
to elect, by giving the Administrative Agent notice thereof, the interest period
(each an "Interest Period") applicable to such Eurodollar Loan, which Interest
Period shall, at the option of the Borrower, be a one, two, three or six-month
period, provided that:
        --------

           (i) all Eurodollar Loans comprising a Borrowing shall at all times
     have the same Interest Period;

           (ii) the initial Interest Period for any Eurodollar Loan shall
     commence on the date of Borrowing of such Eurodollar Loan (including the
     date of any conversion thereto from a Base Rate Loan) and each Interest
     Period occurring thereafter in respect of such Eurodollar Loan shall
     commence on the day on which the next preceding Interest Period applicable
     thereto expires;

           (iii)  if any Interest Period for a Eurodollar Loan begins on a day
     for which there is no numerically corresponding day in the calendar month
     at the end of such Interest Period, such Interest Period shall end on the
     last Business Day of such calendar month;

           (iv) if any Interest Period for a Eurodollar Loan would otherwise
     expire on a day which is not a Business Day, such Interest Period shall
     expire on the next succeeding Business Day; provided, however, that if any
                                                 --------  -------
     Interest Period for a Eurodollar Loan would otherwise expire on a day which
     is not a Business Day but is a day of the month after which no further
     Business Day occurs in such month, such Interest Period shall expire on the
     next preceding Business Day;

           (v) unless the Required Lenders otherwise agree, no Interest Period
     may be selected at any time when a Default or an Event of Default is then
     in existence;

           (vi) no Interest Period in respect of any Borrowing of Eurodollar
     Loans of any Tranche shall be selected which extends beyond the respective
     Maturity Date for such Tranche of Loans; and

           (vii)  no Interest Period in any Borrowing of Multiple Draw A Term
     Loans or B Term Loans, as the case may be, shall be selected which extends
     beyond any date upon which a mandatory repayment of such Tranche of Term
     Loans will be required to be made under Section 4.02(b)(i) or (ii), as the
     case may be, if the aggregate principal amount of Multiple Draw A Term
     Loans or B Term Loans, as the case may be, which have Interest Periods
     which will expire after such date will be in excess of the aggregate
     principal amount of Multiple Draw A Term Loans or B Term Loans, as the case
     may be, then outstanding less the aggregate amount of such required
     repayment.

                                      -10-
<PAGE>

          If upon the expiration of any Interest Period applicable to a
Borrowing of Eurodollar Loans, the Borrower has failed to elect, or is not
permitted to elect, a new Interest Period to be applicable to such Eurodollar
Loans as provided above, the Borrower shall be deemed to have elected to convert
such Eurodollar Loans into Base Rate Loans effective as of the expiration date
of such current Interest Period.

          1.10  Increased Costs, Illegality, etc.  (a)  In the event that any
                ---------------------------------
Lender shall have determined (which determination shall, absent manifest error,
be final and conclusive and binding upon all parties hereto but, with respect to
clause (i) below, may be made only by the Administrative Agent):

           (i) on any Interest Determination Date that, by reason of any changes
     arising after the date of this Agreement affecting the interbank Eurodollar
     market, adequate and fair means do not exist for ascertaining the
     applicable interest rate on the basis provided for in the definition of
     Eurodollar Rate; or

           (ii) at any time, that such Lender shall incur increased costs or
     reductions in the amounts received or receivable hereunder with respect to
     any Eurodollar Loan because of (x) any change since the Initial Borrowing
     Date in any applicable law or governmental rule, regulation, order,
     guideline or request (whether or not having the force of law) or in the
     interpretation or administration thereof and including the introduction of
     any new law or governmental rule, regulation, order, guideline or request,
     such as, for example, but not limited to:  (A) a change in the basis of
     taxation of payment to any Lender of the principal of or interest on the
     Loans or the Notes or any other amounts payable hereunder (except for
     changes in the rate of tax on, or determined by reference to, the net
     income or profits of such Lender pursuant to the laws of the jurisdiction
     in which it is organized or in which its principal office or applicable
     lending office is located or any subdivision thereof or therein) or (B) a
     change in official reserve requirements, but, in all events, excluding
     reserves required under Regulation D to the extent included in the
     computation of the Eurodollar Rate and/or (y) other circumstances occurring
     since the Initial Borrowing Date affecting the interbank Eurodollar market
     or the position of such Lender in such market; or

           (iii)  at any time, that the making or continuance of any Eurodollar
     Loan has been made (x) unlawful by any law or governmental rule, regulation
     or order, (y) impossible by compliance by any Lender in good faith with any
     governmental request (whether or not having force of law) or (z)
     impracticable as a result of a contingency occurring after the Initial
     Borrowing Date which materially and adversely affects the interbank
     Eurodollar market;

then, and in any such event, such Lender (or the Administrative Agent, in the
case of clause (i) above) shall promptly give notice (by telephone promptly
confirmed in writing) to the Borrower and, except in the case of clause (i)
above, to the Administrative Agent of such determination (which notice the
Administrative Agent shall promptly transmit to each of the other Lenders).
Thereafter (x) in the case of clause (i) above, Eurodollar Loans shall no longer
be available until

                                      -11-
<PAGE>

such time as the Administrative Agent notifies the Borrower and the Lenders that
the circumstances giving rise to such notice by the Administrative Agent no
longer exist, and any Notice of Borrowing or Notice of Conversion given by the
Borrower with respect to Eurodollar Loans which have not yet been incurred
(including by way of conversion) shall be deemed rescinded by the Borrower, (y)
in the case of clause (ii) above, the Borrower shall pay to such Lender, upon
such Lender's written request therefor, such additional amounts (in the form of
an increased rate of, or a different method of calculating, interest or
otherwise as such Lender in its sole discretion shall determine) as shall be
required to compensate such Lender for such increased costs or reductions in
amounts received or receivable hereunder (a written notice as to the additional
amounts owed to such Lender, showing in reasonable detail the basis for the
calculation thereof, submitted to the Borrower by such Lender shall, absent
manifest error, be final and conclusive and binding on all the parties hereto)
and (z) in the case of clause (iii) above, the Borrower shall take one of the
actions specified in Section 1.10(b) as promptly as possible and, in any event,
within the time period required by law.

          (b) At any time that any Eurodollar Loan is affected by the
circumstances described in Section 1.10(a)(ii) or (iii), the Borrower may (and
in the case of a Eurodollar Loan affected by the circumstances described in
Section 1.10(a)(iii) the Borrower shall) either (x) if the affected Eurodollar
Loan is then being made initially or pursuant to a conversion, cancel such
Borrowing by giving the Administrative Agent telephonic notice (confirmed in
writing) on the same date that the Borrower was notified by the affected Lender
or the Administrative Agent pursuant to Section 1.10(a)(ii) or (iii) or (y) if
the affected Eurodollar Loan is then outstanding, upon at least three Business
Days' written notice to the Administrative Agent, require the affected Lender to
convert such Eurodollar Loan into a Base Rate Loan, provided that, if more than
                                                    --------
one Lender is affected at any time, then all affected Lenders must be treated
the same pursuant to this Section 1.10(b).

          (c) If any Lender determines that after the Initial Borrowing Date the
introduction of or any change in any applicable law or governmental rule,
regulation, order, guideline, directive or request (whether or not having the
force of law) concerning capital adequacy, or any change in interpretation or
administration thereof by the NAIC or any governmental authority, central bank
or comparable agency, will have the effect of increasing the amount of capital
required or expected to be maintained by such Lender or any corporation
controlling such Lender based on the existence of such Lender's Commitments
hereunder or its obligations hereunder, then the Borrower shall pay to such
Lender, upon its written demand therefor, such additional amounts as shall be
required to compensate such Lender or such other corporation for the increased
cost to such Lender or such other corporation or the reduction in the rate of
return to such Lender or such other corporation as a result of such increase of
capital.  In determining such additional amounts, each Lender will act
reasonably and in good faith and will use averaging and attribution methods
which are reasonable, provided that such Lender's determination of compensation
                      --------
owing under this Section 1.10(c) shall, absent manifest error, be final and
conclusive and binding on all the parties hereto.  Each Lender, upon determining
that any additional amounts will be payable pursuant to this Section 1.10(c),
will give prompt written notice thereof to the Borrower, which notice shall show
in reasonable detail the basis for calculation of such additional amounts.

                                      -12-
<PAGE>

          1.11  Compensation.  The Borrower shall compensate each Lender, upon
                ------------
its written request (which request shall set forth in reasonable detail the
basis for requesting such compensation), for all losses, expenses and
liabilities (including, without limitation, any loss, expense or liability
incurred by reason of the liquidation or reemployment of deposits or other funds
required by such Lender to fund its Eurodollar Loans but excluding loss of
anticipated profits) which such Lender may sustain:  (i) if for any reason
(other than a default by such Lender or the Administrative Agent) a Borrowing
of, or conversion from or into, Eurodollar Loans does not occur on a date
specified therefor in a Notice of Borrowing or Notice of Conversion (whether or
not withdrawn by the Borrower or deemed withdrawn pursuant to Section 1.10(a));
(ii) if any repayment (including any repayment made pursuant to Section 4.01,
Section 4.02 or as a result of an acceleration of the Loans pursuant to Section
10) or conversion of any of its Eurodollar Loans occurs on a date which is not
the last day of an Interest Period with respect thereto; (iii) if any prepayment
of any of its Eurodollar Loans is not made on any date specified in a notice of
prepayment given by the Borrower; or (iv) as a consequence of (x) any other
default by the Borrower to repay its Eurodollar Loans when required by the terms
of this Agreement or any Note held by such Lender or (y) any election made
pursuant to Section 1.10(b).

          1.12  Change of Lending Office.  Each Lender agrees that upon the
                ------------------------
occurrence of any event giving rise to the operation of Section 1.10(a)(ii) or
(iii), Section 1.10(c), Section 2.06 or Section 4.04 with respect to such
Lender, it will, if requested by the Borrower, use reasonable efforts (subject
to overall policy considerations of such Lender) to designate another lending
office for any Loans or Letters of Credit affected by such event, provided that
                                                                  --------
such designation is made on such terms that such Lender and its lending office
suffer no economic, legal or regulatory disadvantage, with the object of
avoiding the consequence of the event giving rise to the operation of such
Section.  Nothing in this Section 1.12 shall affect or postpone any of the
obligations of the Borrower or the right of any Lender provided in Sections
1.10, 2.06 and 4.04.

          1.13  Replacement of Lenders.  (x)  If any Lender becomes a Defaulting
                ----------------------
Lender or otherwise defaults in its obligations to make Loans, (y) upon the
occurrence of an event giving rise to the operation of Section 1.10(a)(ii) or
(iii), Section 1.10(c), Section 2.06 or Section 4.04 with respect to any Lender
which results in such Lender charging to the Borrower increased costs in excess
of those being generally charged by the other Lenders or (z) in the case of a
refusal by a Lender to consent to certain proposed changes, waivers, discharges
or terminations with respect to this Agreement which have been approved by the
Required Lenders as (and to the extent) provided in Section 13.12(b), the
Borrower shall have the right, if no Default or Event of Default then exists
(or, in the case of preceding clause (z), no Default or Event of Default will
exist immediately after giving effect to such replacement), to replace such
Lender (the "Replaced Lender") with one or more other Eligible Transferees, none
of whom shall constitute a Defaulting Lender at the time of such replacement
(collectively, the "Replacement Lender") and each of whom shall be required to
be reasonably acceptable to the Administrative Agent, provided that (i) at the
                                                      --------
time of any replacement pursuant to this Section 1.13, the Replacement Lender
shall enter into one or more Assignment and Assumption Agreements pursuant to
Section 13.04(b) (and with all fees payable pursuant to said Section 13.04(b) to
be paid by the Replacement Lender) pursuant to which the Replacement Lender
shall acquire all of the

                                      -13-
<PAGE>

Commitments and outstanding Loans of, and participations in Letters of Credit
by, the Replaced Lender and, in connection therewith, shall pay to (x) the
Replaced Lender in respect thereof an amount equal to the sum of (I) an amount
equal to the principal of, and all accrued interest on, all outstanding Loans of
the Replaced Lender, (II) an amount equal to all Unpaid Drawings that have been
funded by (and not reimbursed to) such Replaced Lender, together with all then
unpaid interest with respect thereto at such time and (III) an amount equal to
all accrued, but theretofore unpaid, Fees owing to the Replaced Lender pursuant
to Section 3.01, (y) the Issuing Lender an amount equal to such Replaced
Lender's RL Percentage of any Unpaid Drawing (which at such time remains an
Unpaid Drawing) to the extent such amount was not theretofore funded by such
Replaced Lender to the Issuing Bank and (z) the Swingline Lender an amount equal
to such Replaced Lender's RL Percentage of any Mandatory Borrowings to the
extent such amount was not theretofore funded by such Replaced Lender to the
Swingline Lender and (ii) all obligations of the Borrower due and owing to the
Replaced Lender at such time (other than those specifically described in clause
(i) above in respect of which the assignment purchase price has been, or is
concurrently being, paid) shall be paid in full to such Replaced Lender
concurrently with such replacement. Upon the execution of the respective
Assignment and Assumption Agreement, the payment of amounts referred to in
clauses (i) and (ii) above and, if so requested by the Replacement Lender,
delivery to the Replacement Lender of the appropriate Note executed by the
Borrower, the Replacement Lender shall become a Lender hereunder and the
Replaced Lender shall cease to constitute a Lender hereunder, except with
respect to indemnification provisions under this Agreement (including, without
limitation, Sections 1.10, 1.11, 2.06, 4.04, 12.06 and 13.01), which shall
survive as to such Replaced Lender.

          1.14  Incremental Term Loan Commitments.  (a)  So long as no Default
                ---------------------------------
or Event of Default then exists or would result therefrom, the Borrower shall,
in consultation with the Administrative Agent, have the right to request on one
or more occasions on and after the Initial Borrowing Date and prior to March 31,
2000 that one or more Lenders (and/or one or more other Persons which will
become Lenders as provided below) provide Incremental Multiple Draw A Term Loan
Commitments and/or Incremental B Term Loan Commitments and, subject to the terms
and conditions contained in this Agreement, make Incremental Multiple Draw A
Term Loans and/or Incremental B Term Loans pursuant thereto, as the case may be,
it being understood and agreed, however, that (i) no Lender shall be obligated
to provide an Incremental Term Loan Commitment as a result of any request by the
Borrower, and until such time, if any, as such Lender has agreed in its sole
discretion to provide an Incremental Term Loan Commitment and executed and
delivered to the Administrative Agent an Incremental Term Loan Commitment
Agreement as provided in clause (b) of this Section 1.14, such Lender shall not
be obligated to fund any Incremental Multiple Draw A Term Loans and/or
Incremental B Term Loans, as the case may be, (ii) any Lender (or, in the
circumstances contemplated by clause (vi) below, any other Person which will
qualify as an Eligible Transferee) may so provide an Incremental Term Loan
Commitment without the consent of any other Lender, (iii) each provision of
Incremental Term Loan Commitments pursuant to this Section 1.14 on a given date
shall be in a minimum aggregate amount (for all Lenders (including in the
circumstances contemplated by clause (vi) below, Eligible Transferees who will
become Lenders)) of at least $10,000,000, (iv) the aggregate amount of all
Incremental Term Loan Commitments permitted to be provided pursuant to this
Section 1.14 and the aggregate principal amount of all Incremental

                                      -14-
<PAGE>

Term Loans permitted to be made pursuant to Sections 1.01(c) and (d) shall not,
in either case, exceed $100,000,000, provided that if less than $50,000,000 of
Incremental Term Loan Commitments in the aggregate are provided pursuant to this
Section 1.14 by the earlier of (A) the 90th day after the Initial Borrowing Date
and (B) the Syndication Date, then the aggregate amount of Incremental Term Loan
Commitments permitted to be provided pursuant to this Section 1.14 shall be
reduced by an amount equal to the difference between (x) $50,000,000 and (y) the
aggregate amount of Incremental Term Loan Commitments so provided by such
earlier date, (v) the relevant Incremental Term Loan Commitment Agreements shall
specifically set forth whether the Incremental Term Loan Commitments in respect
thereof shall constitute either Incremental Multiple Draw A Term Loan
Commitments or Incremental B Term Loan Commitments, (vi) if, after the Borrower
has requested the then existing Lenders (other than Defaulting Lenders) to
provide Incremental Term Loan Commitments pursuant to this Section 1.14, the
Borrower has not received Incremental Term Loan Commitments in an aggregate
amount equal to that amount of Incremental Term Loan Commitments which the
Borrower desires to obtain pursuant to such request (as set forth in the notice
provided by the Borrower as provided below), then the Borrower may, with the
consent of the Administrative Agent (which consent shall not be unreasonably
withheld), request Incremental Term Loan Commitments from Persons which would
qualify as Eligible Transferees hereunder in aggregate amount equal to such
deficiency (and with the fees to be paid to such Eligible Transferee to be no
greater than that to be paid to the then existing Lenders providing Incremental
Term Loan Commitments), provided that any such Incremental Term Loan Commitments
                        --------
provided by any such Eligible Transferee which is not already a Lender shall be
in a minimum amount (for such Eligible Transferee) of at least $5,000,000, and
(vii) all actions taken by the Borrower pursuant to this Section 1.14 shall be
done in coordination with the Administrative Agent.

          (b)  At the time of any provision of Incremental Term Loan Commitments
pursuant to this Section 1.14, (i) the Borrower, the Administrative Agent and
each such Lender or other Eligible Transferee (each an "Incremental Term Loan
Lender") which agrees to provide an Incremental Term Loan Commitment shall
execute and deliver to the Administrative Agent an Incremental Term Loan
Commitment Agreement substantially in the form of Exhibit C (with the
effectiveness of such Incremental Term Loan Lender's Incremental Term Loan
Commitment to occur upon delivery of such Incremental Term Loan Commitment
Agreement to the Administrative Agent and the payment of any fees (including,
without limitation, any fees payable pursuant to clause (ii) below) required in
connection therewith), (ii) the Administrative Agent shall receive from the
Borrower (or, to the extent agreed to by the Borrower and the respective
Incremental Term Loan Lender, from such respective Incremental Term Loan Lender)
the payment of a non-refundable fee of $3,500 for each Lender (including any
Eligible Transferee which becomes a Lender) providing a new (or increased)
Incremental Term Loan Commitment and (iii) the Borrower shall deliver to the
Administrative Agent an opinion, in form and substance reasonably satisfactory
to the Administrative Agent, from counsel to the Borrower reasonably
satisfactory to the Administrative Agent and dated such date, covering matters
similar to those set forth in the opinion of counsel delivered to the
Administrative Agent on the Initial Borrowing Date pursuant to Section 5.03 and
such other matters as the Administrative Agent may reasonably request.  The
Administrative Agent shall promptly notify each Lender as to the effectiveness
of each Incremental Term Loan Commitment Agreement, and (i) at such time

                                      -15-
<PAGE>

Schedule I shall be deemed modified to reflect the Incremental Multiple Draw A
Term Loan Commitments and/or Incremental B Term Loan Commitments, as the case
may be, of such Incremental Term Loan Lenders and (ii) to the extent requested
by such Incremental Term Loan Lenders, Multiple Draw A Term Notes and/or B Term
Notes will be issued, at the Borrower's expense, to such Incremental Term Loan
Lenders, to be in conformity with the requirements of Section 1.05 (with
appropriate modifications) to the extent needed to reflect the new Incremental
Term Loan Commitments.

          (c)  In connection with each incurrence of Incremental Multiple Draw A
Term Loans pursuant to Section 1.01(c) or Incremental B Term Loans pursuant to
Section 1.01(d), the Lenders and the Borrower hereby agree that, notwithstanding
anything to the contrary contained in this Agreement, the Borrower and the
Administrative Agent may take all such actions as may be necessary to ensure
that all Lenders with outstanding Multiple Draw A Term Loans and B Term Loans,
as the case may be, continue to participate in each Borrowing of outstanding
Multiple Draw A Term Loans and B Term Loans (after giving effect to the
incurrence of Incremental Multiple Draw A Term Loans or Incremental B Term Loans
pursuant to Section 1.01(c) or (d), as the case may be) on a pro rata basis,
                                                             --- ----
including by adding the Incremental Multiple Draw A Term Loans or the
Incremental B Term Loans to be so incurred to the then outstanding Borrowings of
Multiple Draw A Term Loans or B Term Loans, as the case may be, on a pro rata
                                                                     --- ----
basis even though as a result thereof such new Incremental Multiple Draw A Term
Loan or Incremental B Term Loan, as the case may be (to the extent required to
be maintained as Eurodollar Loans), may effectively have a shorter Interest
Period than the existing Multiple Draw A Term Loans or B Term Loans, as the case
may be), and it is hereby agreed that (x) to the extent any existing Borrowings
of Multiple Draw A Term Loans and B Term Loans that are maintained as Eurodollar
Loans are affected as a result thereof, any costs of the type described in
Section 1.11 incurred by such Lenders in connection therewith shall be for the
account of the Borrower or (y) to the extent the Incremental Multiple Draw A
Term Loans and Incremental B Term Loans to be so incurred are added to the then
outstanding Borrowings of Multiple A Term Loans or B Term Loans, as the case may
be, which are maintained as Eurodollar Loans, the Lenders that have made such
additional Incremental Multiple Draw A Term Loans or Incremental Multiple Draw B
Term Loans, as the case may be, shall be entitled to receive an effective
interest rate on such additional Incremental Multiple Draw A Term Loans or
Incremental B Term Loans, as the case may be, as is equal to the Eurodollar Rate
as in effect two Business Days prior to the incurrence of such additional
Incremental Multiple Draw A Term Loans or Incremental B Term Loans, as the case
may be, plus the then Applicable Margin for such Tranche of Term Loans.

          SECTION 2.  Letters of Credit.
                      -----------------

          2.01  Letters of Credit.  (a)  Subject to and upon the terms and
                -----------------
conditions set forth herein, the Borrower may request that the Issuing Lender
issue, at any time and from time to time on and after the Initial Borrowing Date
and prior to the 15th day prior to the Revolving Loan Maturity Date, for the
account of the Borrower and for the benefit of (x) any holder (or any trustee,
agent or other similar representative for any such holders) of L/C Supportable
Obligations of the Borrower or any of its Subsidiaries, an irrevocable standby
letter of credit, in a

                                      -16-
<PAGE>

form customarily used by the Issuing Lender or in such other form as has been
approved by the Issuing Lender and (y) sellers of goods to the Borrower or any
of its Subsidiaries, an irrevocable trade letter of credit, in a form
customarily used by the Issuing Lender or in such other form as has been
approved by the Issuing Lender (each such letter of credit issued pursuant to
this Section 2.01, a "Letter of Credit" and, collectively, the "Letters of
Credit"). All Letters of Credit shall be denominated in Dollars and shall be
issued on a sight basis only.

          (b) Subject to and upon the terms and conditions set forth herein, the
Issuing Lender agrees that it will, at any time and from time to time on and
after the Initial Borrowing Date and prior to the 15th day prior to the
Revolving Loan Maturity Date, following its receipt of the respective Letter of
Credit Request, issue for the account of the Borrower, one or more Letters of
Credit as are permitted to remain outstanding hereunder without giving rise to a
Default or an Event of Default, provided that the Issuing Lender shall not be
                                --------
under any obligation to issue any Letter of Credit of the types described above
if at the time of such issuance:

           (i) any order, judgment or decree of any governmental authority or
     arbitrator shall purport by its terms to enjoin or restrain the Issuing
     Lender from issuing such Letter of Credit or any requirement of law
     applicable to the Issuing Lender or any request or directive (whether or
     not having the force of law) from any governmental authority with
     jurisdiction over the Issuing Lender shall prohibit, or request that the
     Issuing Lender refrain from, the issuance of letters of credit generally or
     such Letter of Credit in particular or shall impose upon the Issuing Lender
     with respect to such Letter of Credit any restriction or reserve or capital
     requirement (for which the Issuing Lender is not otherwise compensated) not
     in effect on the Initial Borrowing Date, or any unreimbursed loss, cost or
     expense which was not applicable or in effect with respect to the Issuing
     Lender as of the date hereof; or

           (ii) the Issuing Lender shall have received from the Borrower or the
     Required Lenders prior to the issuance of such Letter of Credit notice of
     the type described in the second sentence of Section 2.03(b).

          2.02  Maximum Letter of Credit Outstandings; Final Maturities.
                -------------------------------------------------------
Notwithstanding anything to the contrary contained in this Agreement, (i) no
Letter of Credit shall be issued the Stated Amount of which, when added to the
Letter of Credit Outstandings (exclusive of Unpaid Drawings which are repaid on
the date of, and prior to the issuance of, the respective Letter of Credit) at
such time would exceed either (x) $10,000,000 or (y) when added to the sum of
(I) the aggregate principal amount of all Revolving Loans then outstanding and
(II) the aggregate principal amount of all Swingline Loans then outstanding, an
amount equal to the Total Revolving Loan Commitment at such time and (ii) each
Letter of Credit shall by its terms terminate on or before the earlier of (x) in
the case of standby Letters of Credit, (A) the date which occurs 12 months after
the date of the issuance thereof (although any such standby Letter of Credit may
be extendible for successive periods of up to 12 months, but not beyond the
third Business Day prior to the Revolving Loan Maturity Date, on terms
acceptable to the Issuing Lender) and (B) three Business Days prior to the
Revolving Loan Maturity Date and (y) in the case of trade

                                      -17-
<PAGE>

Letters of Credit, (A) the date which occurs 180 days after the date of issuance
thereof and (B) 15 days prior to the Revolving Loan Maturity Date.

          2.03  Letter of Credit Requests; Minimum Stated Amount.  (a)  Whenever
                ------------------------------------------------
the Borrower desires that a Letter of Credit be issued for its account, the
Borrower shall give the Administrative Agent and the Issuing Lender at least
five Business Days' (or such shorter period as is acceptable to the Issuing
Lender) written notice thereof.  Each notice shall be in the form of Exhibit D
appropriately completed (each a "Letter of Credit Request").

          (b)  The making of each Letter of Credit Request shall be deemed to be
a representation and warranty by the Borrower that such Letter of Credit may be
issued in accordance with, and will not violate the requirements of, Section
2.02.  Unless the Issuing Lender has received notice from the Borrower or the
Required Lenders before it issues a Letter of Credit that one or more of the
conditions specified in Section 5 or 6 are not then satisfied, or that the
issuance of such Letter of Credit would violate Section 2.02, then the Issuing
Lender shall, subject to the terms and conditions of this Agreement, issue the
requested Letter of Credit for the account of the Borrower in accordance with
the Issuing Lender's usual and customary practices.  Upon its issuance of or
amendment to any the Letter of Credit, the Issuing Lender shall promptly notify
the Borrower, each Participant and the Administrative Agent of such issuance or
amendment and such notification shall be accompanied by a copy of the issued
Letter of Credit or amendment.  Notwithstanding anything to the contrary
contained in this Agreement, in the event that a Lender Default exists, the
Issuing Lender shall not be required to issue any Letter of Credit unless the
Issuing Lender has entered into an arrangement satisfactory to it and the
Borrower to eliminate the Issuing Lender's risk with respect to the
participation in Letters of Credit by the Defaulting Lender or Lenders,
including by cash collateralizing such Defaulting Lender's or Lenders' RL
Percentage of the Letter of Credit Outstandings.

          (c) The initial Stated Amount of each Letter of Credit shall not be
less than $50,000 or such lesser amount as is acceptable to the Issuing Lender.

          2.04  Letter of Credit Participations.  (a)  Immediately upon the
                -------------------------------
issuance by the Issuing Lender of any Letter of Credit, the Issuing Lender shall
be deemed to have sold and transferred to each RL Lender, other than the Issuing
Lender (each such RL Lender, in its capacity under this Section 2.04, a
"Participant"), and each such Participant shall be deemed irrevocably and
unconditionally to have purchased and received from the Issuing Lender, without
recourse or warranty, an undivided interest and participation, to the extent of
such Participant's RL Percentage, in such Letter of Credit, each drawing or
payment made thereunder and the obligations of the Borrower under this Agreement
with respect thereto, and any security therefor or guaranty pertaining thereto.
Upon any change in the Revolving Loan Commitments or RL Percentages of the RL
Lenders pursuant to Section 1.13 or 13.04, it is hereby agreed that, with
respect to all outstanding Letters of Credit and Unpaid Drawings, there shall be
an automatic adjustment to the participations pursuant to this Section 2.04 to
reflect the new RL Percentages of the assignor and assignee RL Lender, as the
case may be.

                                      -18-
<PAGE>

          (b) In determining whether to pay under any Letter of Credit issued by
it, the Issuing Lender shall not have an obligation relative to the other
Lenders other than to confirm that any documents required to be delivered under
such Letter of Credit appear to have been delivered and that they appear to
substantially comply on their face with the requirements of such Letter of
Credit.  Any action taken or omitted to be taken by the Issuing Lender under or
in connection with any Letter of Credit issued by it shall not create for the
Issuing Lender any resulting liability to the Borrower, any other Credit Party,
any Lender or any other Person unless taken or omitted by reason of the gross
negligence or willful misconduct of the Issuing Lender (as finally determined by
a court of competent jurisdiction).

          (c) In the event that the Issuing Lender makes any payment under any
Letter of Credit issued by it and the Borrower shall not have reimbursed such
amount in full to the Issuing Lender pursuant to Section 2.05(a), the Issuing
Lender shall promptly notify the Administrative Agent, which shall promptly
notify each Participant of such failure, and each Participant shall promptly and
unconditionally pay to the Issuing Lender the amount of such Participant's RL
Percentage of such unreimbursed payment in Dollars and in same day funds.  If
the Administrative Agent so notifies, prior to 11:00 A.M. (New York time) on any
Business Day, any Participant required to fund a payment under a Letter of
Credit, such Participant shall make available to the Issuing Lender in Dollars
such Participant's RL Percentage of the amount of such payment on such Business
Day in same day funds; provided, however, that no Participant shall be obligated
                       --------  -------
to pay to the Issuing Lender its RL Percentage of such unreimbursed amount for
any wrongful payment made by the Issuing Lender under a Letter of Credit issued
by it as a result of acts or omissions constituting willful misconduct or gross
negligence on the part of the Issuing Lender (as finally determined by a court
of competent jurisdiction).  If and to the extent such Participant shall not
have so made its RL Percentage of the amount of such payment available to the
Issuing Lender, such Participant agrees to pay to the Issuing Lender, forthwith
on demand such amount, together with interest thereon, for each day from such
date until the date such amount is paid to the Issuing Lender at the overnight
Federal Funds Rate for the first three days and at the interest rate applicable
to Revolving Loans maintained as Base Rate Loans for each day thereafter.  The
failure of any Participant to make available to the Issuing Lender its RL
Percentage of any payment under any Letter of Credit shall not relieve any other
Participant of its obligation hereunder to make available to the Issuing Lender
its RL Percentage of any payment under any Letter of Credit on the date
required, as specified above, but no Participant shall be responsible for the
failure of any other Participant to make available to the Issuing Lender such
other Participant's RL Percentage of any such payment.

          (d) Whenever the Issuing Lender receives a payment of a reimbursement
obligation as to which it has received any payments from the Participants
pursuant to clause (c) above, the Issuing Lender shall pay to each Participant
which has paid its RL Percentage thereof, in Dollars and in same day funds, an
amount equal to such Participant's share (based upon the proportionate aggregate
amount originally funded by such Participant to the aggregate amount funded by
all Participants) of the principal amount of such reimbursement obligation and
interest thereon accruing after the purchase of the respective participations.

                                      -19-
<PAGE>

          (e) Upon the request of any Participant, the Issuing Lender shall
furnish to such Participant copies of any Letter of Credit issued by it and such
other documentation as may reasonably be requested by such Participant.

          (f) The obligations of the Participants to make payments to the
Issuing Lender with respect to Letters of Credit issued by it shall be
irrevocable and not subject to any qualification or exception whatsoever (except
as otherwise provided in the proviso to the second sentence of Section 2.04(c))
and shall be made in accordance with the terms and conditions of this Agreement
under all circumstances, including, without limitation, any of the following
circumstances:

           (i) any lack of validity or enforceability of this Agreement or any
     of the other Credit Documents;

           (ii) the existence of any claim, setoff, defense or other right which
     the Borrower or any of its Subsidiaries may have at any time against a
     beneficiary named in a Letter of Credit, any transferee of any Letter of
     Credit (or any Person for whom any such transferee may be acting), the
     Administrative Agent, the Issuing Lender, any Participant or any other
     Person, whether in connection with this Agreement, any Letter of Credit,
     the transactions contemplated herein or any unrelated transactions
     (including any underlying transaction between the Borrower or any
     Subsidiary of the Borrower and the beneficiary named in any such Letter of
     Credit);

           (iii)  any draft, certificate or any other document presented under
     any Letter of Credit proving to be forged, fraudulent, invalid or
     insufficient in any respect or any statement therein being untrue or
     inaccurate in any respect;

           (iv) the surrender or impairment of any security for the performance
     or observance of any of the terms of any of the Credit Documents; or

           (v) the occurrence of any Default or Event of Default.

          2.05  Agreement to Repay Letter of Credit Drawings.  (a)  The Borrower
                --------------------------------------------
agrees to reimburse the Issuing Lender, by making payment to the Administrative
Agent in Dollars and in immediately available funds at the Payment Office, for
any payment or disbursement made by the Issuing Lender under any Letter of
Credit issued by it (each such amount, so paid until reimbursed, an "Unpaid
Drawing"), not later than one Business Day following receipt by the Borrower of
notice of such payment or disbursement (provided that no such notice shall be
                                        --------
required to be given if a Default or an Event of Default under Section 10.05
shall have occurred and be continuing, in which case the Unpaid Drawing shall be
due and payable immediately without presentment, demand, protest or notice of
any kind (all of which are hereby waived by the Borrower)), with interest on the
amount so paid or disbursed by the Issuing Lender, to the extent not reimbursed
prior to 12:00 Noon (New York time) on the date of such payment or disbursement,
from and including the date paid or disbursed to but excluding the date the
Issuing Lender was reimbursed by the Borrower therefor at a rate per annum which
shall be the sum of the Applicable Margin for Revolving Loans maintained as Base
Rate Loans plus the Base Rate each as in effect from time to time; provided,
                                                                   --------
however, to the extent such amounts are not
- -------

                                      -20-
<PAGE>

reimbursed prior to 12:00 Noon (New York time) on the third Business Day
following the receipt by the Borrower of notice of such payment or disbursement
or following the occurrence of a Default or an Event of Default under Section
10.05, interest shall thereafter accrue on the amounts so paid or disbursed by
the Issuing Lender (and until reimbursed by the Borrower) at a rate per annum
which shall be the sum of the Applicable Margin for Revolving Loans maintained
as Base Rate Loans plus the Base Rate each as in effect from time to time plus
2%, in each such case, with interest to be payable on demand. The Issuing Lender
shall give the Borrower prompt written notice of each Drawing under any Letter
of Credit issued by it, provided that the failure to give any such notice shall
                        --------
in no way affect, impair or diminish the Borrower's obligations hereunder.

          (b) The obligations of the Borrower under this Section 2.05 to
reimburse the Issuing Lender with respect to Unpaid Drawings (including, in each
case, interest thereon) shall be absolute and unconditional under any and all
circumstances and irrespective of any setoff, counterclaim or defense to payment
which the Borrower may have or have had against any Lender (including in its
capacity as issuer of the Letter of Credit or as Participant), including,
without limitation, any defense based upon the failure of any drawing or payment
under a Letter of Credit (each a "Drawing") to conform to the terms of the
Letter of Credit or any nonapplication or misapplication by the beneficiary of
the proceeds of such Drawing; provided, however, that the Borrower shall not be
                              --------  -------
obligated to reimburse the Issuing Lender for any wrongful payment made by the
Issuing Lender under a Letter of Credit issued by it as a result of acts or
omissions constituting willful misconduct or gross negligence on the part of the
Issuing Lender (as finally determined by a court of competent jurisdiction).

          2.06  Increased Costs.  If at any time after the Initial Borrowing
                ---------------
Date, the introduction of or any change in any applicable law, rule, regulation,
order, guideline or request or in the interpretation or administration thereof
by the NAIC or any governmental authority charged with the interpretation or
administration thereof, or compliance by the Issuing Lender or any Participant
with any request or directive by the NAIC or by any such governmental authority
(whether or not having the force of law), shall either (i) impose, modify or
make applicable any reserve, deposit, capital adequacy or similar requirement
against letters of credit issued by the Issuing Lender or participated in by any
Participant, or (ii) impose on the Issuing Lender or any Participant any other
conditions relating, directly or indirectly, to this Agreement; and the result
of any of the foregoing is to increase the cost to the Issuing Lender or any
Participant of issuing, maintaining or participating in any Letter of Credit, or
reduce the amount of any sum received or receivable by the Issuing Lender or any
Participant hereunder or reduce the rate of return on its capital with respect
to Letters of Credit (except for changes in the rate of tax on, or determined by
reference to, the net income or profits of the Issuing Lender or such
Participant pursuant to the laws of the jurisdiction in which it is organized or
in which its principal office or applicable lending office is located or any
subdivision thereof or therein), then, upon the delivery of the certificate
referred to below to the Borrower by the Issuing Lender or such Participant (a
copy of which certificate shall be sent by the Issuing Lender or such
Participant to the Administrative Agent), the Borrower shall pay to the Issuing
Lender or such Participant such additional amount or amounts as will compensate
the Issuing Lender or such Participant for such increased cost or reduction in
the amount receivable or reduction on the rate of return on its capital.  The
Issuing

                                      -21-
<PAGE>

Lender or Participant, upon determining that any additional amounts will
be payable to it pursuant to this Section 2.06, will give prompt written notice
thereof to the Borrower, which notice shall include a certificate submitted to
the Borrower by the Issuing Lender or such Participant (a copy of which
certificate shall be sent by the Issuing Lender or such Participant to the
Administrative Agent), setting forth in reasonable detail the basis for the
calculation of such additional amount or amounts necessary to compensate the
Issuing Lender or such Participant.  The certificate required to be delivered
pursuant to this Section 2.06 shall, absent manifest error, be final and
conclusive and binding on the Borrower.

          SECTION 3.  Commitment Commission; Fees; Reductions of Commitment.
                      -----------------------------------------------------

          3.01  Fees.  (a)  The Borrower agrees to pay to the Administrative
                ----
Agent, for distribution to each Non-Defaulting Lender, a commitment commission
(the "Commitment Commission") for the period from and including the Effective
Date to and including the Revolving Loan Maturity Date (or such earlier date on
which the Total Commitment shall have been terminated), computed at a rate for
each day equal to the Applicable Commitment Commission Percentage on the average
daily amount of such Lender's Aggregate Unutilized Commitment.  Accrued
Commitment Commission shall be due and payable quarterly in arrears on each
Quarterly Payment Date and on the Revolving Loan Maturity Date (or such earlier
date on which the Total Commitment shall have been terminated).

          (b) The Borrower agrees to pay to the Administrative Agent for
distribution to each RL Lender (based on each such RL Lender's respective RL
Percentage) a fee in respect of each Letter of Credit issued hereunder (the
"Letter of Credit Fee") for the period from and including the date of issuance
of such Letter of Credit to and including the date of termination or expiration
of such Letter of Credit, computed at a rate per annum equal to the Applicable
Margin then in effect with respect to the Revolving Loan maintained as
Eurodollar Loans on the daily Stated Amount of such Letter of Credit. Accrued
Letter of Credit Fees shall be due and payable quarterly in arrears on each
Quarterly Payment Date and on the first day on or after the termination of the
Total Revolving Loan Commitment upon which no Letters of Credit remain
outstanding.

          (c) The Borrower agrees to pay to the Issuing Lender, for its own
account, a facing fee in respect of each Letter of Credit issued hereunder (the
"Facing Fee") for the period from and including the date of issuance of such
Letter of Credit to and including the date of the termination of such Letter of
Credit, computed at a rate per annum equal to  1/4 of 1% on the daily Stated
Amount of such Letter of Credit, provided that in any event the minimum amount
                                 --------
of the Facing Fee payable in any 12 month period for each Letter of Credit shall
be $500; it being agreed that, on the date of issuance of any Letter of Credit
and on each anniversary thereof prior to the termination of such Letter of
Credit, if $500 will exceed the amount of Facing Fees that will accrue with
respect to such Letter of Credit for the immediately succeeding 12 month period,
the full $500 shall be payable on the date of issuance of such Letter of Credit
and on each such anniversary thereof.  Except as otherwise provided in the
proviso to the immediately preceding sentence, accrued Facing Fees shall be due
and payable quarterly in arrears on each Quarterly

                                      -22-
<PAGE>

Payment Date and upon the first day on or after the termination of the Total
Revolving Loan Commitment upon which no Letters of Credit remain outstanding.

          (d)  The Borrower agrees to pay to the Issuing Lender, for its own
account, upon each payment under, issuance of, or amendment to, any Letter of
Credit, such amount as shall at the time of such event be the administrative
charge and the reasonable expenses which the Issuing Lender is generally
imposing in connection with such occurrence with respect to letters of credit.

          (e)  The Borrower agrees to pay to the Administrative Agent and each
other Agent, for its own account, such other fees as have been agreed to in
writing by the Borrower and the Administrative Agent.

          3.02  Voluntary Termination of Initial Multiple Draw A Term Loan
                ----------------------------------------------------------
Commitments, Incremental Multiple Draw A Term Loan Commitments and Unutilized
- -----------------------------------------------------------------------------
Revolving Loan Commitments.  (a)  At any time after the Initial Borrowing Date
- --------------------------
and prior to the termination of the Total Initial Multiple Draw A Term Loan
Commitment, upon at least three Business Days' prior written notice to the
Administrative Agent at the Notice Office (which notice the Administrative Agent
shall promptly transmit to each of the Lenders), the Borrower shall have the
right, at any time or from time to time, without premium or penalty, to
terminate the Total Initial Multiple Draw A Term Loan Commitment then in effect
in whole, or reduce it in part, pursuant to this Section 3.02(a), in a minimum
amount of $1,000,000 or an integral multiple of $500,000 in excess thereof in
the case of partial reductions to the Total Initial Multiple Draw A Term Loan
Commitment, provided that each such reduction shall apply proportionately to
            --------
permanently reduce the Initial Multiple Draw A Term Loan Commitment of each
Lender with such a Commitment.

          (b) At any time after any Incremental Multiple Draw A Term Loan
Commitments have been provided by any Lender pursuant to Section 1.14 and prior
to the termination of the Total Incremental Multiple Draw A Term Loan
Commitment, upon at least three Business Days' prior written notice to the
Administrative Agent at the Notice Office (which notice the Administrative Agent
shall promptly transmit to each of the Lenders), the Borrower shall have the
right, at any time or from time to time, without premium or penalty, to
terminate the Total Incremental Multiple Draw A Term Loan Commitment then in
effect in whole, or reduce it in part, pursuant to this Section 3.02(b), in a
minimum amount of $1,000,000 or an integral multiple of $500,000 in excess
thereof in the case of partial reductions to the Total Incremental Multiple Draw
A Term Loan Commitment, provided that each such reduction shall apply
                        --------
proportionately to permanently reduce the Incremental Multiple Draw A Term Loan
Commitment of each Lender with such a Commitment.

          (c)  Upon at least three Business Days' prior written notice to the
Administrative Agent at the Notice Office (which notice the Administrative Agent
shall promptly transmit to each of the Lenders), the Borrower shall have the
right, at any time or from time to time, without premium or penalty, to
terminate the Total Unutilized Revolving Loan Commitment in whole, or reduce it
in part, pursuant to this Section 3.02(c), in a minimum amount of $1,000,000 or
an

                                      -23-
<PAGE>

integral multiple of $500,000 in excess thereof in the case of partial
reductions to the Total Unutilized Revolving Loan Commitment, provided that each
                                                              --------
such reduction shall apply proportionately to permanently reduce the Revolving
Loan Commitment of each Lender with such a Commitment.

          (d)  In the event of a refusal by a Lender to consent to certain
proposed changes, waivers, discharges or terminations with respect to this
Agreement which have been approved by the Required Lenders as (and to the
extent) provided in Section 13.12(b), the Borrower may, subject to its
compliance with the requirements of Section 13.12(b), upon five Business Days'
prior written notice to the Administrative Agent at the Notice Office (which
notice the Administrative Agent shall promptly transmit to each of the Lenders)
terminate all of the Commitments of such Lender, so long as all Loans, together
with accrued and unpaid interest, Fees and all other amounts, owing to such
Lender are repaid concurrently with the effectiveness of such termination
pursuant to Section 4.01(b) (at which time Schedule I shall be deemed modified
to reflect such changed amounts), and at such time, such Lender shall no longer
constitute a "Lender" for purposes of this Agreement, except with respect to
indemnifications under this Agreement (including, without limitation, Sections
1.10, 1.11, 2.06, 4.04, 12.06 and 13.01), which shall survive as to such repaid
Lender.

          3.03  Mandatory Reduction of Commitments.  (a)  The Total Commitment
                ----------------------------------
(and each Commitment of each Lender) shall terminate in its entirety on May 31,
1999 unless the Initial Borrowing Date has occurred on or before such date.

          (b) In addition to any other mandatory commitment reductions pursuant
to this Section 3.03, the Total Initial Multiple Draw A Term Loan Commitment
shall (i)   be reduced on the Initial Borrowing Date (before giving effect to
the incurrence of any Initial Multiple Draw A Term Loans on such date) in the
amount by which the aggregate principal amount of Senior Notes which remain
outstanding on such date and after giving effect to Senior Notes Tender
Offer/Consent Solicitation exceeds $10,000,000, (ii)  be reduced on each Initial
Multiple Draw A Term Loan Borrowing Date (after giving effect to the making of
Initial Multiple Draw A Term Loans on each such date) in an amount equal to the
aggregate principal amount of Initial Multiple Draw A Term Loans incurred on
each such date, (iii) be reduced on February 10, 2000 by an amount equal to the
remainder (if positive) of $25,000,000 minus the aggregate principal amount of
Initial Multiple Draw A Term Loans theretofore incurred, and (iv) terminate in
its entirety (to the extent not theretofore terminated) on the Term Loan
Commitment Termination Date.

          (c) In addition to any other mandatory commitment reductions pursuant
to this Section 3.03, the Total Initial B Term Loan Commitment shall terminate
in its entirety on the Initial Borrowing Date (after giving effect to the
incurrence of Initial B Term Loans on such date).

          (d) In addition to any other mandatory commitment reductions pursuant
to this Section 3.03, the Total Incremental Multiple Draw A Term Loan Commitment
shall (i) be reduced on each Incremental Multiple Draw A Term Loan Borrowing
Date (after giving effect to

                                      -24-
<PAGE>

the making of Incremental Multiple Draw A Term Loans on each such date) in an
amount equal to the aggregate principal amount of Incremental Multiple Draw A
Term Loans incurred on each such date, and (ii) terminate in its entirety (to
the extent not theretofore terminated) on the Term Loan Commitment Termination
Date.

          (e) In addition to any other mandatory commitment reductions pursuant
to this Section 3.03, the Total Incremental B Term Loan Commitment shall
terminate on each Incremental B Term Loan Borrowing Date (after giving effect to
the incurrence of Incremental B Term Loans on such date).

          (f) In addition to any other mandatory commitment reductions pursuant
to this Section 3.03, on each date after the Initial Borrowing Date upon which a
mandatory repayment of Term Loans pursuant to any of Sections 4.02(c) through
(g), inclusive, is required (and exceeds the aggregate principal amount of Term
Loans then outstanding) or would be required if Term Loans were then
outstanding, the Total Revolving Loan Commitment shall be permanently reduced by
the amount, if any, by which the amount required to be applied pursuant to said
Sections (determined as if an unlimited amount of Term Loans were actually
outstanding) exceeds the aggregate principal amount of Term Loans then
outstanding.

          (g) In addition to any other mandatory commitment reductions pursuant
to this Section 3.03, unless the Required Lenders otherwise agree, the Total
Commitment (and each Commitment of each Lender) shall terminate in its entirety
on the date on which a Change of Control occurs.

          (h) In addition to any other mandatory commitment reductions pursuant
to this Section 3.03, the Total Revolving Loan Commitment (and the Revolving
Loan Commitment of each Lender) shall terminate in its entirety on the Revolving
Loan Maturity Date.

          (i) Each reduction and/or termination to the Total Initial Multiple
Draw A Term Loan Commitment, the Total Incremental Multiple Draw A Term Loan
Commitment, the Total Initial B Term Loan Commitment, the Total Incremental B
Term Loan Commitment and the Total Revolving Loan Commitment shall be applied to
proportionately reduce and/or terminate the Multiple Draw A Term Loan
Commitment, the Incremental Multiple Draw A Term Loan Commitment, the Initial B
Term Loan Commitment, the Incremental B Term Loan Commitment and the Revolving
Loan Commitment, as the case may be, of each Lender with such a Commitment.

          SECTION 4.  Prepayments; Payments; Taxes.
                      ----------------------------

          4.01  Voluntary Prepayments.  (a)  The Borrower shall have the right
                ---------------------
to prepay the Loans, without premium or penalty (except as otherwise provided in
clause (vi) below), in whole or in part at any time and from time to time on the
following terms and conditions:  (i) the Borrower shall give the Administrative
Agent prior to 12:00 Noon (New York time) at the Notice Office (x) at least one
Business Day's prior written notice (or telephonic notice promptly confirmed in
writing) of its intent to prepay Base Rate Loans (or same day notice in the case
of a prepayment of Swingline Loans) and (y) at least three Business Days' prior
written notice (or

                                      -25-
<PAGE>

telephonic notice promptly confirmed in writing) of its intent to prepay
Eurodollar Loans, the amount of such prepayment, whether Multiple Draw A Term
Loans, B Term Loans, Revolving Loans or Swingline Loans are to be prepaid, and
the Types of Loans to be prepaid and, in the case of Eurodollar Loans, the
specific Borrowing or Borrowings pursuant to which made, which notice the
Administrative Agent shall, except in the case of Swingline Loans, promptly
transmit to each of the Lenders; (ii) (x) each partial prepayment of Term Loans
pursuant to this Section 4.01(a) shall be in an aggregate principal amount of at
least $1,000,000, (y) each partial prepayment of Revolving Loans pursuant to
this Section 4.01(a) shall be in an aggregate principal amount of at least
$500,000 and (z) each partial prepayment of Swingline Loans pursuant to this
Section 4.01(a) shall be in an aggregate principal amount of at least $50,000,
provided that if any partial prepayment of Eurodollar Loans made pursuant to any
- --------
Borrowing shall reduce the outstanding principal amount of Eurodollar Loans made
pursuant to such Borrowing to an amount less than the Minimum Borrowing Amount
applicable thereto, then such Borrowing may not be continued as a Borrowing of
Eurodollar Loans and any election of an Interest Period with respect thereto
given by the Borrower shall have no force or effect; (iii) each prepayment
pursuant to this Section 4.01(a) in respect of any Loans made pursuant to a
Borrowing shall be applied pro rata among such Loans, provided that at the
                           --- ----                   --------
Borrower's election in connection with any prepayment of Revolving Loans
pursuant to this Section 4.01(a), such prepayment shall not, so long as no
Default or Event of Default then exists, be applied to any Revolving Loan of a
Defaulting Lender; (iv) each voluntary prepayment of Term Loans pursuant to this
Section 4.01(a) shall be applied pro rata to each Tranche of outstanding Term
                                 --- ----
Loans, with the Multiple Draw A Term Loans to be allocated the Multiple Draw A
Term Loan Percentage of the amount of such prepayment and the B Term Loans to be
allocated the B Term Loan Percentage of the amount of such prepayment; (v) each
voluntary prepayment of any Tranche of Term Loans pursuant to this Section
4.01(a) shall be applied to reduce the then remaining Scheduled Repayments of
such Tranche of Term Loans on a pro rata basis (based upon the then remaining
                                --- ----
unpaid principal amounts of such Scheduled Repayments of the respective Tranche
of Term Loans after giving effect to all prior reductions thereto); and (vi) any
voluntary prepayment of B Term Loans pursuant to this Section 4.01(a) made on or
before May 10, 2000 shall be in an amount equal to the product of (x) the
principal amount of the B Term Loans to be prepaid at such time and (y) 101%.

          (b) In the event of a refusal by a Lender to consent to certain
proposed changes, waivers, discharges or terminations with respect to this
Agreement which have been approved by the Required Lenders as (and to the
extent) provided in Section 13.12(b), the Borrower may, upon five Business Days'
prior written notice to the Administrative Agent at the Notice Office (which
notice the Administrative Agent shall promptly transmit to each of the Lenders),
repay all Loans of such Lender, together with accrued and unpaid interest, Fees
and other amounts owing to such Lender in accordance with, and subject to the
requirements of, said Section 13.12(b) so long as (A) all of the Commitments of
such Lender are terminated concurrently with such repayment pursuant to Section
3.02(d) (at which time Schedule I shall be deemed modified to reflect the
changed Commitments) and (B) the consents, if any, required under Section
13.12(b) in connection with the repayment pursuant to this clause (b) have been
obtained.

                                      -26-
<PAGE>

          4.02  Mandatory Repayments.  (a)  On any day on which the sum of (I)
                --------------------
the aggregate outstanding principal amount of all Revolving Loans (after giving
effect to all other repayments thereof on such date), (II) the aggregate
outstanding principal amount of all Swingline Loans (after giving effect to all
other repayments thereof on such date) and (III) the aggregate amount of all
Letter of Credit Outstandings exceeds the Total Revolving Loan Commitment as
then in effect, the Borrower shall prepay on such day the principal of Swingline
Loans and, after all Swingline Loans have been repaid in full or if no Swingline
Loans are outstanding, Revolving Loans in an amount equal to such excess.  If,
after giving effect to the prepayment of all outstanding Swingline Loans and
Revolving Loans, the aggregate amount of the Letter of Credit Outstandings
exceeds the Total Revolving Loan Commitment as then in effect, the Borrower
shall pay to the Administrative Agent at the Payment Office on such day an
amount of cash and/or Cash Equivalents equal to the amount of such excess (up to
a maximum amount equal to the Letter of Credit Outstandings at such time), such
cash and/or Cash Equivalents to be held as security for all obligations of the
Borrower to the Issuing Lender and the Lenders hereunder in a cash collateral
account to be established by the Administrative Agent.

          (b) (i)  In addition to any other mandatory repayments pursuant to
this Section 4.02, on each date set forth below, the Borrower shall be required
to repay that principal amount of Multiple Draw A Term Loans, to the extent then
outstanding, as is equal to the product of (I) the aggregate principal amount of
all Multiple Draw A Term Loans outstanding on the Term Loan Commitment
Termination Date (after giving effect to any Multiple Draw A Term Loans incurred
on such date) and (II) the respective percentage set forth opposite each such
date below (each such repayment, as the same may be reduced as provided in
Sections 4.01(a) and 4.02(h), a "Multiple Draw A Term Loan Scheduled
Repayment"):

      Multiple Draw A Term Loan
      Scheduled Repayment Date                    Percentage
      ------------------------                    ----------

        January 31, 2001                             10%
        April 30, 2001                               10%
        July 31, 2001                                10%
        October 31, 2001                             10%
        January 31, 2002                             10%
        April 30, 2002                               10%
        July 31, 2002                                10%
        October 31, 2002                             10%
        January 31, 2003                             10%
        Multiple Draw A Term
           Loan Maturity Date                        10%


          (ii) In addition to any other mandatory repayments pursuant to this
Section 4.02, on each date set forth below, the Borrower shall be required to
repay that principal amount of B Term Loans, to the extent then outstanding, as
is equal to the product of (I) the aggregate principal amount of all B Term
Loans outstanding on March 31, 2000 (after giving effect to any B Term Loans
incurred on such date) and (II) the respective percentage set forth opposite

                                      -27-
<PAGE>

each such date below (each such repayment, as the same may be reduced as
provided in Sections 4.01(a) and 4.02(h), a "B Term Loan Scheduled Repayment"):


           B Term Loan
     Scheduled Repayment Date                         Percentage
     ------------------------                         ----------

        July 31, 2000                                      1%
        October 31, 2000                                 .25%
        January 31, 2001                                 .25%
        April 30, 2001                                   .25%
        July 31, 2001                                    .25%
        October 31, 2001                                 .25%
        January 31, 2002                                 .25%
        April 30, 2002                                   .25%
        July 31, 2002                                    .25%
        October 31, 2002                                 .25%
        January 31, 2003                                 .25%
        April 30, 2003                                   .25%
        July 31, 2003                                     24%
        October 31, 2003                                  24%
        January 31, 2004                                  24%
        B Term Loan
           Maturity Date                               24.25%


          (c) In addition to any other mandatory repayments pursuant to this
Section 4.02, on each date on or after the Initial Borrowing Date upon which the
Borrower or any of its Subsidiaries receives any cash proceeds from any capital
contribution or any sale or issuance of its equity (other than cash proceeds
received (i) from the issuance by the Borrower of shares of its common stock
(including as a result of the exercise of any options with regard thereto), or
options to purchase shares of its common stock, to officers, directors and
employees of the Borrower and its Subsidiaries in an aggregate amount not to
exceed $10,000,000 in any fiscal year of the Borrower or (ii) from equity
contributions to any Subsidiary of the Borrower to the extent made by the
Borrower or another Subsidiary of the Borrower), an amount equal to 50% of the
Net Equity Proceeds of such capital contribution or sale or issuance of equity
shall be applied as a mandatory repayment of principal of outstanding Term Loans
in accordance with the requirements of Sections 4.02(h) and (i); provided,
                                                                 --------
however, so long as no Default or Event of Default then exists and the
- -------
Consolidated Leverage Ratio at such time shall be less than or equal to
2.00:1.00, no repayment shall be required at such time pursuant to this Section
4.02(c).

          (d) In addition to any other mandatory repayments pursuant to this
Section 4.02, on each date on or after the Initial Borrowing Date upon which the
Borrower or any of its Subsidiaries receives any cash proceeds from any
incurrence by the Borrower or any of its Subsidiaries of Indebtedness for
borrowed money (other than Indebtedness for borrowed money permitted to be
incurred pursuant to Section 9.04 as such Section is in effect on the Initial

                                      -28-
<PAGE>

Borrowing Date), an amount equal to 100% of the Net Debt Proceeds of the
respective incurrence of Indebtedness shall be applied as a mandatory repayment
of principal of outstanding Term Loans in accordance with the requirements of
Sections 4.02(h) and (i).

          (e) In addition to any other mandatory repayments pursuant to this
Section 4.02, on each date on or after the Initial Borrowing Date upon which the
Borrower or any of its Subsidiaries receives any cash proceeds from any Asset
Sale, an amount equal to 100% of the Net Sale Proceeds therefrom shall be
applied as a mandatory repayment of principal of outstanding Term Loans in
accordance with the requirements of Sections 4.02(h) and (i); provided that with
                                                              --------
respect to (A) (i) the sale of the Internet Business and (ii) the sale of up to
10% in the aggregate of the capital stock of Net2Phone owned by the Borrower as
of the Initial Borrowing Date to one or more private investors in a transaction
previously described to the Agents and (B) no more than $12,000,000  in the
aggregate of cash proceeds from other Asset Sales in any fiscal year of the
Borrower (or $3,000,000 of such cash proceeds in the aggregate for the period
from the Initial Borrowing Date through July 31, 1999) (other than (in either
case) from the sale of any additional capital stock of Net2Phone), in each case
the Net Sale Proceeds therefrom shall not be required to be so applied on such
date so long as no Default or Event of Default then exists and the Borrower has
delivered a certificate to the Administrative Agent on or prior to such date
stating that such Net Sale Proceeds shall be used to purchase assets used or to
be used in the businesses permitted pursuant to Section 9.14 (including, without
limitation (but only to the extent permitted by Section 9.02), the purchase of
the assets or 100% of the capital stock of a Person engaged in such businesses)
within 270 days following the date of such Asset Sale (which certificate shall
set forth the estimates of the proceeds to be so expended), and provided
                                                                --------
further, that (I) if all or any portion of such Net Sale Proceeds not required
to be applied to the repayment of outstanding Term Loans are not so reinvested
within such 270-day period, such remaining portion shall be applied on the last
day of such period as a mandatory repayment of principal of outstanding Term
Loans as provided above in this Section 4.02(e) without regard to the preceding
proviso and (II) so long as no Default or Event of Default then exists and the
Consolidated Leverage Ratio at such time shall be less than 2.50:1.00, any Net
Sale Proceeds received from the sale of any capital stock of Net2Phone shall not
be required to be applied and/or reinvested pursuant to this Section 4.02(e).

          (f) In addition to any other mandatory repayments pursuant to this
Section 4.02,  on each Excess Cash Payment Date, an amount equal to 50% of the
Excess Cash Flow for the relevant Excess Cash Payment Period shall be applied as
a mandatory repayment of principal of outstanding Term Loans in accordance with
the requirements of Sections 4.02(h) and (i); provided that so long as no
                                              --------
Default or Event of Default then exists, from and after the Borrower's fiscal
year ending July 31, 2001 and so long as Section 9.08 requires a Consolidated
Leverage Ratio of 2.00:1.00 or less on the applicable Excess Cash Payment Date,
no repayments shall be required pursuant to this Section 4.02(f).

          (g) In addition to any other mandatory repayments pursuant to this
Section 4.02, within 10 days following each date on or after the Initial
Borrowing Date upon which the Borrower or any of its Subsidiaries receives any
cash proceeds from any Recovery Event (other than Recovery Events in which the
Net Insurance Proceeds therefrom does not exceed $100,000),

                                      -29-
<PAGE>

an amount equal to 100% of the Net Insurance Proceeds from such Recovery Event
shall be applied as a mandatory repayment of principal of outstanding Term Loans
in accordance with the requirements of Sections 4.02(h) and (i); provided that
so long as no Default or Event of Default then exists, such Net Insurance
Proceeds shall not be required to be so applied on such date to the extent that
the Borrower has delivered a certificate to the Administrative Agent on or prior
to such date stating that such Net Insurance Proceeds shall be used to replace
or restore any properties or assets in respect of which such Net Insurance
Proceeds were paid within 270 days following the date of the receipt of such Net
Insurance Proceeds (which certificate shall set forth the estimates of the Net
Insurance Proceeds to be so expended), and provided further, that (i) if the
amount of such Net Insurance Proceeds exceeds $5,000,000, then the entire amount
of the proceeds from such Recovery Event and not just the portion in excess of
$5,000,000 shall be deposited with the Administrative Agent pursuant to a cash
collateral arrangement reasonably satisfactory to the Administrative Agent
whereby such proceeds shall be disbursed to the Borrower from time to time as
needed to pay actual costs incurred by it or its applicable Subsidiary in
connection with the replacement or restoration of the respective properties or
assets (pursuant to certification requirements to the effect that (x) no Default
or Event of Default then exists and (y) the Borrower or its applicable
Subsidiary has actually incurred such costs (which certification shall be
accompanied by any paid invoices or invoices required to be paid within 5
Business Days thereafter)), although at any time while an Event of Default has
occurred and is continuing, the Required Lenders may direct the Administrative
Agent (in which case the Administrative Agent shall, and is hereby authorized by
the Borrower to, follow said directions) to apply any or all proceeds then on
deposit in such collateral account to the repayment of Obligations hereunder,
and (ii) if all or any portion of such Net Insurance Proceeds not required to be
applied to the repayment of principal of outstanding Term Loans pursuant to the
preceding proviso are not so used within 270 days after the date of the receipt
of such Net Insurance Proceeds, such remaining portion shall be applied on the
last day of such period as a mandatory repayment of principal of outstanding
Term Loans as provided above in this Section 4.02(g) without regard to the
provisions of the preceding proviso.

          (h) Each amount required to be applied to outstanding Term Loans
pursuant to Sections 4.02(c), (d), (e), (f) and (g) shall be applied pro rata to
                                                                     --- ----
each Tranche of outstanding Term Loans, with the Multiple Draw A Term Loans to
be allocated the Multiple Draw A Term Loan Percentage of the amount of such
prepayment and the B Term Loans to be allocated the B Term Loan Percentage of
the amount of such prepayment.  The amount of each principal repayment of each
Tranche of Term Loans made as required by said Sections 4.02(c), (d), (e), (f)
and (g) shall be applied to reduce the then remaining Scheduled Repayments of
such Tranche of Term Loans on a pro rata basis (based upon the then remaining
                                --- ----
unpaid principal amounts of such Scheduled Repayments of the respective Tranche
of Term Loans after giving effect to all prior reductions thereto).

          (i) With respect to each repayment of Loans required by this Section
4.02, the Borrower may designate the Types of Loans of the respective Tranche
which are to be repaid and, in the case of Eurodollar Loans, the specific
Borrowing or Borrowings pursuant to which made, provided that:  (i) repayments
                                                --------
of Eurodollar Loans pursuant to this Section 4.02 may only be made on the last
day of an Interest Period applicable thereto unless all Eurodollar Loans of the

                                      -30-
<PAGE>

respective Tranche with Interest Periods ending on such date of required
repayment and all Base Rate Loans of the respective Tranche have been paid in
full; (ii) if any repayment of Eurodollar Loans made pursuant to a single
Borrowing shall reduce the outstanding Eurodollar Loans made pursuant to such
Borrowing to an amount less than the Minimum Borrowing Amount applicable
thereto, such Borrowing shall be converted at the end of the then current
Interest Period into a Borrowing of Base Rate Loans; and (iii) each repayment of
any Loans made pursuant to a Borrowing shall be applied pro rata among such
                                                        --- ----
Loans.  In the absence of a designation by the Borrower as described in the
preceding sentence, the Administrative Agent shall, subject to the above, make
such designation in its sole discretion.

          (j) Notwithstanding anything to the contrary contained in this Section
4.02 or elsewhere in this Agreement (including, without limitation, in Section
13.12), at any time that Multiple Draw A Term Loans are outstanding, the
Borrower shall have the option, in its sole discretion, to give the Lenders with
outstanding B Term Loans (the "B Lenders") the option to waive their pro rata
                                                                     --- ----
share of a mandatory repayment of B Term Loans which is to be made pursuant to
Sections 4.02(c), (d), (e), (f) and/or (g) (each such repayment, a "Waivable
Mandatory Repayment") upon the terms and provisions seth forth in this Section
4.02(j).  If the Borrower elects to exercise the option referred to in the
immediately preceding sentence, the Borrower shall give to the Administrative
Agent written notice of the Borrower's intention to give the B Lenders the right
to waive a Waivable Mandatory Repayment (including in such notice, the aggregate
amount of such proposed repayment) at least five Business Days prior to the date
of the proposed repayment, which notice the Administrative Agent shall promptly
forward to all B Lenders (indicating in such notice the amount of such repayment
to be applied to each such B Lender's outstanding B Term Loans).  The Borrower's
offer to permit the B Lenders to waive any such Waivable Mandatory Repayment may
apply to all or part of such repayment, provided that any offer to waive part of
                                        --------
such repayment must be made ratably to the B Lenders on the basis of their
outstanding B Term Loans.  In the event that any such B Lender desires to waive
its pro rata share of such Lender's right to receive any such Waivable Mandatory
    --- ----
Repayment in whole or in part, such Lender shall so advise the Administrative
Agent no later than 4:00 P.M. (New York time) on the date which is two Business
Days after the date of such notice from the Administrative Agent, which notice
shall also include the amount such Lender desires to receive in respect of such
repayment.  If any B Lender does not reply to the Administrative Agent within
such two Business Day period, such Lender will be deemed not to have waived any
part of such repayment.  If any B Lender does not not specify an amount it
wishes to receive, such B Lender will be deemed to have accepted 100% of its
share of such repayment.  In the event that any such B Lender waives all or part
of its share of any such Waivable Mandatory Repayment, the Administrative Agent
shall apply 100% of the amount so waived by such Lender to the outstanding
Multiple Draw A Term Loans in accordance with Sections 4.02(h) and (i).

          (k) Notwithstanding anything to the contrary contained in this
Agreement or in any other Credit Document, (i) all then outstanding Loans of any
Tranche shall be repaid in full on the respective Maturity Date for such Tranche
of Loans and (ii) unless the Required Lenders otherwise agree, all then
outstanding Loans shall be repaid in full on the date on which a Change of
Control occurs.

                                      -31-
<PAGE>

          4.03  Method and Place of Payment.  Except as otherwise specifically
                ---------------------------
provided herein, all payments under this Agreement or under any Note shall be
made to the Administrative Agent for the account of the Lender or Lenders
entitled thereto not later than 12:00 Noon (New York time) on the date when due
and shall be made in Dollars in immediately available funds at the Payment
Office.  Whenever any payment to be made hereunder or under any Note shall be
stated to be due on a day which is not a Business Day, the due date thereof
shall be extended to the next succeeding Business Day and, with respect to
payments of principal, interest shall be payable at the applicable rate during
such extension.

          4.04  Net Payments.  (a)  All payments made by the Borrower hereunder
                ------------
or under any Note will be made without setoff, counterclaim or other defense.
Except as provided in Section 4.04(b), all such payments will be made free and
clear of, and without deduction or withholding for, any present or future taxes,
levies, imposts, duties, fees, assessments or other charges of whatever nature
now or hereafter imposed by any jurisdiction or by any political subdivision or
taxing authority thereof or therein with respect to such payments (but
excluding, except as provided in the second succeeding sentence, any tax imposed
on or measured by the net income or net profits of a Lender pursuant to the laws
of the jurisdiction in which it is organized or the jurisdiction in which the
principal office or applicable lending office of such Lender is located or any
subdivision thereof or therein) and all interest, penalties or similar
liabilities with respect to such non-excluded taxes, levies, imposts, duties,
fees, assessments or other charges (all such non-excluded taxes, levies,
imposts, duties, fees, assessments or other charges being referred to
collectively, as "Taxes").  If any Taxes are so levied or imposed, the Borrower
agrees to pay the full amount of such Taxes, and such additional amounts as may
be necessary so that every payment of all amounts due under this Agreement or
under any Note, after withholding or deduction for or on account of any Taxes,
will not be less than the amount provided for herein or in such Note.  If any
amounts are payable in respect of Taxes pursuant to the preceding sentence, the
Borrower agrees to reimburse each Lender, upon the written request of such
Lender, for taxes imposed on or measured by the net income or net profits of
such Lender pursuant to the laws of the jurisdiction in which such Lender is
organized or in which the principal office or applicable lending office of such
Lender is located or under the laws of any political subdivision or taxing
authority of any such jurisdiction in which such Lender is organized or in which
the principal office or applicable lending office of such Lender is located and
for any withholding of taxes as such Lender shall determine are payable by, or
withheld from, such Bank, in respect of such amounts so paid to or on behalf of
such Lender pursuant to the preceding sentence and in respect of any amounts
paid to or on behalf of such Lender pursuant to this sentence.  The Borrower
will furnish to the Administrative Agent within 45 days after the date the
payment of any Taxes is due pursuant to applicable law certified copies of tax
receipts evidencing such payment by the Borrower.  The Borrower agrees to
indemnify and hold harmless each Lender, and reimburse such Lender upon its
written request, for the amount of any Taxes so levied or imposed and paid by
such Lender.

          (b) Each Lender that is not a United States person (as such term is
defined in Section 7701(a)(30) of the Code) for U.S. Federal income tax purposes
agrees to deliver to the Borrower and the Administrative Agent on or prior to
the Initial Borrowing Date, or in the case of a Lender that is an assignee or
transferee of an interest under this Agreement pursuant to

                                      -32-
<PAGE>

Section 1.13 or 13.04 (unless the respective Lender was already Lender hereunder
immediately prior to such assignment or transfer), on the date of such
assignment or transfer to such Lender, (i) two accurate and complete original
signed copies of Internal Revenue Service Form W-8ECI or Form W-8BEN (with
respect to a complete exemption under an income tax treaty) (or successor forms)
certifying to such Lender's entitlement as of such date to a complete exemption
from United States withholding tax with respect to payments to be made under
this Agreement and under any Note, or (ii) if the Lender is not a "bank" within
the meaning of Section 881(c)(3)(A) of the Code and cannot deliver either
Internal Revenue Service Form W-8ECI or Form W-8BEN (with respect to a complete
exemption under an income tax treaty) (or any successor forms) pursuant to
clause (i) above, (x) a certificate substantially in the form of Exhibit E (any
such certificate, a "Section 4.04(b)(ii) Certificate") and (y) two accurate and
complete original signed copies of Internal Revenue Service Form W-8BEN (with
respect to the portfolio exemption) (or successor form) certifying to such
Lender's entitlement as of such date to a complete exemption from United States
withholding tax with respect to payments of interest to be made under this
Agreement and under any Note. In addition, each Lender agrees that from time to
time after the Initial Borrowing Date, when a lapse in time or change in
circumstances renders the previous certification obsolete or inaccurate in any
material respect, such Lender will deliver to the Borrower and the
Administrative Agent two new accurate and complete original signed copies of
Internal Revenue Service Form W-8ECI, Form W-8BEN (with respect to the benefits
of any income tax treaty), Form W-8BEN (with respect to the portfolio interest
exemption) and a Section 4.04(b)(ii) Certificate, as the case may be, and such
other forms as may be required in order to confirm or establish the entitlement
of such Lender to a continued exemption from or reduction in United States
withholding tax with respect to payments under this Agreement and any Note, or
such Lender shall immediately notify the Borrower and the Administrative Agent
of its inability to deliver any such Form or Certificate, in which case such
Lender shall not be required to deliver any such Form or Certificate pursuant to
this Section 4.04(b). Notwithstanding anything to the contrary contained in
Section 4.04(a), but subject to Section 13.04(b) and the immediately succeeding
sentence, (x) the Borrower shall be entitled, to the extent it is required to do
so by law, to deduct or withhold income or similar taxes imposed by the United
States (or any political subdivision or taxing authority thereof or therein)
from interest, Fees or other amounts payable hereunder for the account of any
Lender which is not a United States person (as such term is defined in Section
7701(a)(30) of the Code) for U.S. Federal income tax purposes to the extent that
such Lender has not provided to the Borrower U.S. Internal Revenue Service forms
that establish a complete exemption from such deduction or withholding and (y)
the Borrower shall not be obligated pursuant to Section 4.04(a) hereof to gross-
up payments to be made to a Lender in respect of income or similar taxes imposed
by the United States if (I) such Lender has not provided to the Borrower the
Internal Revenue Service forms required to be provided to the Borrower pursuant
to this Section 4.04(b) or (II) in the case of a payment, other than interest,
to a Lender described in clause (ii) above, to the extent that such forms do not
establish a complete exemption from withholding of such taxes. Notwithstanding
anything to the contrary contained in the preceding sentence or elsewhere in
this Section 4.04 and except as set forth in Section 13.04(b), the Borrower
agrees to pay any additional amounts and to indemnify each Lender in the manner
set forth in Section 4.04(a) (without regard to the identity of the jurisdiction
requiring the deduction or withholding) in respect of any Taxes deducted or
withheld by it as described in the immediately preceding

                                      -33-
<PAGE>

sentence as a result of any changes that are effective after the Initial
Borrowing Date in any applicable law, treaty, governmental rule, regulation,
guideline or order, or in the interpretation thereof, relating to the deducting
or withholding of such Taxes.

          SECTION 5.  Conditions Precedent to Credit Events on the Initial
                      ----------------------------------------------------
Borrowing Date.  The obligation of each Lender to make Loans, and the obligation
- --------------
of the Issuing Lender to issue Letters of Credit, on the Initial Borrowing Date,
is subject at the time of the making of such Loans or the issuance of such
Letters of Credit to the satisfaction of the following conditions:

          5.01  Execution of Agreement; Notes.  On or prior to the Initial
                -----------------------------
Borrowing Date, (i) the Effective Date shall have occurred and (ii) there shall
have been delivered to the Administrative Agent for the account of each of the
Lenders that has requested same, the appropriate Multiple Draw A Term Note, B
Term Note and/or Revolving Note executed by the Borrower and to the Swingline
Lender to the extent requested by it, the Swingline Note executed by the
Borrower, in each case, in the amount, maturity and as otherwise provided
herein.

          5.02  Officer's Certificate.  On the Initial Borrowing Date, the
                ---------------------
Administrative Agent shall have received a certificate, dated the Initial
Borrowing Date and signed on behalf of the Borrower by the Chairman of the
Board, the Chief Executive Officer, the President or any Vice President of the
Borrower, certifying on behalf of the Borrower that all of the conditions in
Sections 5.06, 5.07, 5.08 and 6.01 have been satisfied on such date.

          5.03  Opinions of Counsel.  On the Initial Borrowing Date, the
                -------------------
Administrative Agent shall have received (i) from Morrison & Foerster LLP,
special counsel to the Credit Parties, an opinion addressed to the
Administrative Agent, the Collateral Agent and each of the Lenders and dated the
Initial Borrowing Date covering the matters set forth in Exhibit F-1 and such
other matters incident to the transactions contemplated herein as the
Administrative Agent may reasonably request, (ii) from Swidler Berlin Shereff
Friedman, LLP, special FCC counsel and state public utility counsel to the
Borrower, an opinion addressed to the Administrative Agent, the Collateral Agent
and each of the Lenders and dated the Initial Borrowing Date covering the
matters set forth in Exhibit F-2 and such other matters incident to the
transactions contemplated herein as the Administrative Agent may reasonably
request, (iii) from Ravin, Sarasohn, Cook, Baumgarten, Fisch & Rosen, special
New Jersey counsel to the Borrower, an opinion addressed to the Administrative
Agent, the Collateral Agent and each of the Lenders and dated the Initial
Borrowing Date covering the matters set forth in Exhibit F-3 and such other
matters incident to the transactions contemplated herein as the Administrative
Agent may reasonably request, and (iv) from the General Counsel of the Borrower,
an opinion addressed to the Administrative Agent, the Collateral Agent and each
of the Lenders and dated the Initial Borrowing Date covering the matters set
forth in Exhibit F-4 and such other matters incident to the transactions
contemplated herein as the Administrative Agent may reasonably request.

          5.04  Corporate Documents; Proceedings; etc.  (a)  On the Initial
                --------------------------------------
Borrowing Date, the Administrative Agent shall have received a certificate from
each Credit Party, dated the Initial Borrowing Date, signed on behalf of such
Credit Party by the Chairman of the Board, the Chief Executive Officer, the
President or any Vice President of such Credit Party, and attested to

                                      -34-
<PAGE>

by the Secretary or any Assistant Secretary of such Credit Party, in the form of
Exhibit G with appropriate insertions, together with, except as otherwise
provided in Section 8.17(i)(IV), copies of the certificate or articles of
incorporation (or equivalent organizational document) and by-laws of such Credit
Party and the resolutions of such Credit Party referred to in such certificate,
and the foregoing shall be in form and substance reasonably acceptable to the
Administrative Agent.

          (b) All corporate, partnership, limited liability company and legal
proceedings and all instruments and agreements in connection with the
transactions contemplated by this Agreement and the other Documents shall be
reasonably satisfactory in form and substance to the Administrative Agent and
the Required Lenders, and the Administrative Agent shall have received all
information and copies of all documents and papers, including records of
corporate, partnership or limited liability company proceedings, governmental
approvals, good standing certificates and bring-down telegrams or facsimiles, if
any, which the Administrative Agent reasonably may have requested in connection
therewith, such documents and papers where appropriate to be certified by proper
corporate or governmental authorities.

          5.05  Fees, etc.  On the Initial Borrowing Date, the Borrower shall
                ----------
have paid to each Agent and each Lender all reasonable costs, fees and expenses
(including, without limitation, reasonable legal fees and expenses) payable to
such Agent and such Lender to the extent then due.

          5.06  Adverse Change, etc.  (a)  Nothing shall have occurred (and
                --------------------
neither the Agents nor the Lenders shall have become aware of any facts or
conditions not previously known) which the Agents or the Required Lenders shall
reasonably determine has had, or could reasonably be expected to have, a
Material Adverse Effect.

          (b) On or prior to the Initial Borrowing Date, all necessary
governmental (domestic and foreign) and third party approvals and/or consents in
connection with the transactions contemplated by this Agreement and the other
Documents and otherwise referred to herein or therein shall have been obtained
and remain in effect other than obtaining the Required Approvals from the
applicable state regulatory agencies in order to allow for the maturity of the
Loans to be in excess of 12 months from the Initial Borrowing Date.
Additionally, there shall not exist any judgment, order, injunction or other
restraint issued or filed or a hearing seeking injunctive relief or other
restraint pending or notified prohibiting or imposing materially adverse
conditions upon the transactions contemplated by this Agreement and the other
Documents or otherwise referred to herein or therein.

          5.07  Litigation.  On the Initial Borrowing Date, there shall be no
                ----------
actions, suits or proceedings pending or, to the knowledge of the Borrower, any
Agent or any Lender, threatened (i) with respect to this Agreement or any other
Document or (ii) which the Agents or the Required Lenders shall reasonably
determine could reasonably be expected to have a Material Adverse Effect.

          5.08  Senior Notes Tender Offer/Consent Solicitation.  On or prior to
                ----------------------------------------------
the Initial Borrowing Date, (i) the Borrower shall have consummated a tender
offer/consent solicitation with respect to the outstanding Senior Notes (the
"Senior Notes Tender Offer/Consent

                                      -35-
<PAGE>

Solicitation"), pursuant to which (x) the Borrower shall have offered, subject
to the terms and conditions contained in the Senior Notes Tender Offer/Consent
Solicitation, to purchase all of the outstanding Senior Notes at the cash price
set forth in the Senior Notes Tender Offer/Consent Solicitation and (y) consents
shall have been solicited to a proposed amendment to the Senior Notes Indenture,
on terms and conditions set forth in the Senior Notes Tender Offer/Consent
Solicitation, which amendment shall provide for the substantial elimination of
the operating covenants contained in the Senior Notes Indenture (including,
without limitation, restrictions on the incurrence of liens, restricted
payments, transactions with affiliates and indebtedness) and the amendment or
elimination of certain other provisions in the Senior Notes Indenture, (ii) the
period for tendering Senior Notes pursuant thereto shall terminate on or prior
to the Initial Borrowing Date, (iii) the Borrower shall have received sufficient
consents to authorize the execution and delivery of the Senior Notes Indenture
Supplement, (iv) the Borrower and the trustee under the Senior Notes Indenture
shall have duly executed and delivered the Senior Notes Indenture Supplement,
(v) the Borrower shall have purchased all of the Senior Notes tendered (which
shall in no event be less than a majority in aggregate principal amount of all
outstanding Senior Notes), and not theretofore withdrawn, pursuant to the Senior
Notes Tender Offer/Consent Solicitation, (vi) the Administrative Agent shall
have received true and correct copies of the Offer to Purchase and Consent
Solicitation Statement and Senior Notes Indenture Supplement delivered and/or
entered into in connection with the Senior Notes Tender Offer/Consent
Solicitation and (vii) the Administrative Agent shall be reasonably satisfied
that, and the Borrower hereby confirms that, the Senior Notes Tender
Offer/Consent Solicitation shall have been consummated in accordance with the
Senior Notes Tender Offer/Consent Solicitation Documents, the Senior Notes
Indenture and all applicable laws.

          5.09  Pledge Agreement.  On the Initial Borrowing Date, each Credit
                ----------------
Party shall have duly authorized, executed and delivered a Pledge Agreement in
the form of Exhibit H (as amended, modified or supplemented from time to time,
the "Pledge Agreement") and, except as set forth in Section 8.17(i)(I), shall
have delivered to the Collateral Agent, as Pledgee thereunder, all of the Pledge
Agreement Collateral thereunder constituting a certificated security or
promissory note, if any, and then owned by such Credit Party, endorsed in blank
in the case of promissory notes or accompanied by executed and undated stock
powers in the case of capital stock, and the Pledge Agreement shall be in full
force and effect.

          5.10  Security Agreement.  On the Initial Borrowing Date, each Credit
                ------------------
Party shall have duly authorized, executed and delivered a Security Agreement in
the form of Exhibit I (as amended, modified or supplemented from time to time,
the "Security Agreement") covering all of such Credit Party's present and future
Security Agreement Collateral, together with:

          (a) proper Financing Statements (Form UCC-1) fully executed for filing
     under the UCC or other appropriate filing offices of each jurisdiction as
     may be necessary or, in the reasonable opinion of the Collateral Agent,
     desirable to perfect the security interests purported to be created by the
     Security Agreement;

          (b) certified copies of Requests for Information or Copies (Form UCC-
     11), or equivalent reports, listing all effective financing statements that
     name the Borrower or

                                      -36-
<PAGE>

     any of its Domestic Subsidiaries as debtor and that are filed in the
     jurisdictions referred to in clause (a) above, together with copies of such
     other financing statements that name the Borrower or any of its Domestic
     Subsidiaries as debtor (none of which shall cover the Collateral except to
     the extent evidencing Permitted Liens or in respect of which the Collateral
     Agent shall have received termination statements (Form UCC-3 or such other
     termination statements as shall be required by local law) fully executed
     for filing);

          (c) evidence of the completion of all other recordings and filings of,
     or with respect to, the Security Agreement as may be necessary or, in the
     reasonable opinion of the Collateral Agent, desirable to perfect the
     security interests intended to be created by the Security Agreement; and

          (d) evidence that all other actions necessary or, in the reasonable
     opinion of the Collateral Agent, desirable to perfect and protect the
     security interests purported to be created by the Security Agreement have
     been taken;

and the Security Agreement shall be in full force and effect.

          5.11  Subsidiaries Guaranty.  On the Initial Borrowing Date, each
                ---------------------
Subsidiary Guarantor shall have duly authorized, executed and delivered a
Guaranty in the form of Exhibit J (as modified, amended or supplemented from
time to time, the "Subsidiaries Guaranty"), and the Subsidiaries Guaranty shall
be in full force and effect.

          5.12  Financial Statements; Projections.  On or prior to the Initial
                ---------------------------------
Borrowing Date, the Administrative Agent shall have received true and correct
copies of the historical financial statements, the pro forma balance sheet and
                                                   --- -----
the Projections referred to in Sections 7.05(a) and (d), which historical
financial statements, pro forma balance sheet and Projections shall be in form
                      --- -----
and substance reasonably satisfactory to the Agents and the Required Lenders.

          5.13  Solvency Certificate; Insurance Certificates.  On the Initial
                --------------------------------------------
Borrowing Date, the Borrower shall have delivered to the Administrative Agent:

           (i) a solvency certificate from the chief financial officer of the
     Borrower in the form of Exhibit K; and

           (ii) certificates of insurance complying with the requirements of
     Section 8.03 for the business and properties of the Borrower and its
     Subsidiaries, in form and substance reasonably satisfactory to the Agents
     and the Required Lenders and naming the Collateral Agent as an additional
     insured and as loss payee, and stating that such insurance shall not be
     canceled without at least 30 days prior written notice by the insurer to
     the Collateral Agent.

          5.14  Plans; Shareholders' Agreements; Management Agreements; Non-
                -----------------------------------------------------------
Compete Agreements; Collective Bargaining Agreements; Tax Sharing Agreements;
- -----------------------------------------------------------------------------
Existing Indebtedness Agreements; Operating Agreements.  On or prior to the
- ------------------------------------------------------
Initial Borrowing Date,

                                      -37-
<PAGE>

there shall have been delivered (or otherwise made available) to the
Administrative Agent true and correct copies of the following documents:

           (i) all Plans (and for each Plan that is required to file an annual
     report on Internal Revenue Service Form 5500-series, a copy of the most
     recent such report (including, to the extent required, the related
     financial and actuarial statements and opinions and other supporting
     statements, certifications, schedules and information), and for each Plan
     that is a "single-employer plan," as defined in Section 4001(a)(15) of
     ERISA, the most recently prepared actuarial valuation therefor) and any
     other "employee benefit plans," as defined in Section 3(3) of ERISA, and
     any other material agreements, plans or arrangements, with or for the
     benefit of current or former employees of the Borrower or any of its
     Subsidiaries or any ERISA Affiliate (provided that the foregoing shall
     apply in the case of any multiemployer plan, as defined in Section
     4001(a)(3) of ERISA, only to the extent that any document described therein
     is in the possession of the Borrower, any Subsidiary of the Borrower or any
     ERISA Affiliate or reasonably available thereto from the sponsor or trustee
     of any such Plan);

           (ii) all agreements entered into by the Borrower or any of its
     Subsidiaries governing the terms and relative rights of its capital stock
     and any agreements entered into by shareholders, partners or members
     relating to any such entity with respect to its capital stock
     (collectively, the "Shareholders' Agreements");

           (iii)  all material management and consulting agreements entered into
     by the Borrower or any of its Subsidiaries (collectively, the "Management
     Agreements");

           (iv) all non-compete agreements entered into by the Borrower or any
     of its Subsidiaries (or representative forms of such non-compete
     agreements) (collectively, the "Non-Compete Agreements");

           (v) all collective bargaining agreements applying or relating to any
     employee of the Borrower or any of its Subsidiaries (collectively, the
     "Collective Bargaining Agreements");

           (vi) all tax sharing, tax allocation and other similar agreements
     entered into by the Borrower or any of its Subsidiaries (collectively, the
     "Tax Sharing Agreements");

           (vii)  all agreements evidencing or relating to Indebtedness of the
     Borrower or any of its Subsidiaries which is to remain outstanding after
     giving effect to the incurrence of Loans on the Initial Borrowing Date
     which has an aggregate outstanding balance or unutilized commitments of at
     least $250,000 (collectively, the "Existing Indebtedness Agreements"); and

           (viii)  all material operating agreements, indefeasible right of use
     agreements, resale agreements and similar agreements entered into by the
     Borrower or any of its Subsidiaries (collectively, the "Operating
     Agreements");

                                      -38-
<PAGE>

all of which Plans, Shareholders' Agreements, Management Agreements, Non-Compete
Agreements, Collective Bargaining Agreements, Tax Sharing Agreements, Existing
Indebtedness Agreements and Operating Agreements shall be in form and substance
reasonably satisfactory to the Agents and the Required Lenders and shall be in
full force and effect on the Initial Borrowing Date.

          5.15  Net2Phone Transaction.  (a)  On or prior to the Initial
                ---------------------
Borrowing Date, the Administrative Agent shall have received a letter from the
Borrower describing the proposed sale of Net2Phone equity referred to in the
first proviso to Section 4.02(e).

          (b) On or prior to the Initial Borrowing Date, the Borrower and
Net2Phone shall have entered into an Unrestricted Subsidiary Tax Sharing
Agreement.

          SECTION 6.  Conditions Precedent to All Credit Events.  The obligation
                      -----------------------------------------
of each Lender to make Loans (including any Loans made on the Initial Borrowing
Date), and the obligation of the Issuing Lender to issue Letters of Credit, is
subject, at the time of each such Credit Event (except as hereinafter
indicated), to the satisfaction of the following conditions:

          6.01  No Default; Representations and Warranties.  At the time of each
                ------------------------------------------
such Credit Event and also after giving effect thereto (i) there shall exist no
Default or Event of Default and (ii) all representations and warranties
contained herein and in the other Credit Documents shall be true and correct in
all material respects with the same effect as though such representations and
warranties had been made on the date of such Credit Event (it being understood
and agreed that any representation or warranty which by its terms is made as of
a specified date shall be required to be true and correct in all material
respects only as of such specified date).

          6.02  Notice of Borrowing; Letter of Credit Request.  (a)  Prior to
                ---------------------------------------------
the making of each Loan (other than a Swingline Loan or a Revolving Loan made
pursuant to a Mandatory Borrowing), the Administrative Agent shall have received
a Notice of Borrowing meeting the requirements of Section 1.03(a).  Prior to the
making of each Swingline Loan, the Swingline Lender shall have received the
notice referred to in Section 1.03(b)(i).

          (b) Prior to the issuance of each Letter of Credit, the Administrative
Agent and the Issuing Lender shall have received a Letter of Credit Request
meeting the requirements of Section 2.03(a).

          The acceptance of the benefits of each Credit Event shall constitute a
representation and warranty by the Borrower to the Administrative Agent and each
of the Lenders that all the conditions specified in Section 5 (with respect to
Credit Events to occur on the Initial Borrowing Date) and in this Section 6
(with respect to Credit Events to occur on or after the Initial Borrowing Date)
and applicable to such Credit Event exist as of that time (except to the extent
that one or more of such conditions have been waived in accordance with the
terms of this Agreement with respect to any such Credit Event).  All of the
Notes, certificates, legal opinions and other documents and papers referred to
in Section 5 and in this Section 6, unless otherwise specified, shall be
delivered to the Administrative Agent at the Notice Office for the

                                      -39-
<PAGE>

account of each of the Lenders and, except for the Notes, in sufficient
counterparts or copies for each of the Lenders and shall be in form and
substance satisfactory to the Agents and the Required Lenders.

          SECTION 7.  Representations, Warranties and Agreements.  In order to
                      ------------------------------------------
induce the Lenders to enter into this Agreement and to make the Loans, and issue
(or participate in) the Letters of Credit as provided herein, the Borrower makes
the following representations, warranties and agreements, in each case after
giving effect to the Initial Borrowing Date, all of which shall survive the
execution and delivery of this Agreement and the Notes and the making of the
Loans and issuance of the Letters of Credit, with the occurrence of each Credit
Event on or after the Initial Borrowing Date being deemed to constitute a
representation and warranty that the matters specified in this Section 7 are
true and correct in all material respects on and as of the date of each such
Credit Event (it being understood and agreed that any representation or warranty
which by its terms is made as of a specified date shall be required to be true
and correct in all material respects only as of such specified date).

          7.01  Organizational Status.  Each of the Borrower and each of its
                ---------------------
Subsidiaries (i) is a duly organized and validly existing corporation,
partnership or limited liability company, as the case may be, in good standing
under the laws of the jurisdiction of its organization (except with respect to
the good standing of IDT International and Media Response in the State of New
Jersey, although such Subsidiaries shall be in good standing under the laws of
the State of New Jersey to the extent that this representation or warranty is
made (or deemed made) on or after the thirtieth day following the Initial
Borrowing Date), (ii) has the corporate, partnership or limited liability
company  power and authority, as the case may be, to own its property and assets
and to transact the business in which it is engaged and presently proposes to
engage and (iii) is duly qualified and is authorized to do business and is in
good standing in each jurisdiction where the ownership, leasing or operation of
its property or the conduct of its business requires such qualifications except
for failures to be so qualified which, either individually or in the aggregate,
could not reasonably be expected to have a Material Adverse Effect.

          7.02  Power and Authority.  Each Credit Party has the corporate,
                -------------------
partnership or limited liability company power and authority, as the case may
be, to execute, deliver and perform the terms and provisions of each of the
Documents to which it is party and has taken all necessary corporate,
partnership or limited liability company action, as the case may be, to
authorize the execution, delivery and performance by it of each of such
Documents.  Each Credit Party has duly executed and delivered each of the
Documents to which it is party, and each of such Documents constitutes its
legal, valid and binding obligation enforceable in accordance with its terms,
except to the extent that the enforceability thereof may be limited by
applicable bankruptcy, insolvency, reorganization, moratorium or other similar
laws generally affecting creditors' rights and by equitable principles
(regardless of whether enforcement is sought in equity or at law).

          7.03  No Violation.  Neither the execution, delivery or performance by
                ------------
any Credit Party of the Documents to which it is a party, nor compliance by it
with the terms and provisions thereof, (i) will contravene any provision of any
law, statute, rule or regulation or any order, writ,

                                      -40-
<PAGE>

injunction or decree of any court or governmental instrumentality or the terms
of any FCC License or other Governmental Authorization, (ii) will conflict with
or result in any breach of any of the terms, covenants, conditions or provisions
of, or constitute a default under, or result in the creation or imposition of
(or the obligation to create or impose) any Lien (except pursuant to the
Security Documents) upon any of the property or assets of the Borrower or any of
its Subsidiaries pursuant to the terms of any material indenture, mortgage, deed
of trust, credit agreement or loan agreement, or any other material agreement,
contract or instrument, to which the Borrower or any of its Subsidiaries is a
party or by which it or any of its property or assets is bound or to which it
may be subject or (iii) will violate any provision of the certificate or
articles of incorporation or by-laws (or equivalent organizational documents) of
the Borrower or any of its Subsidiaries.

          7.04  Approvals.  No order, consent, approval, license, authorization
                ---------
or validation of, or filing, recording or registration with (except for (i) the
filing of UCC-1 financing statements and Mortgages to perfect the security
interests created under the applicable Security Documents, (ii) those that have
otherwise been obtained or made on or prior to the Initial Borrowing Date and
which remain in full force and effect on the Initial Borrowing Date and (iii)
the Required Approvals to be obtained from the applicable state regulatory
agencies in order to allow for the maturity of the Loans to be in excess of 12
months from the Initial Borrowing Date), or exemption by, any governmental or
public body or authority, or any subdivision thereof, is required by any Credit
Party to authorize, or is required in connection with, (i) the execution,
delivery and performance of any Document by any Credit Party or (ii) the
legality, validity, binding effect or enforceability of any such Document
against any Credit Party.

          7.05  Financial Statements; Financial Condition; Undisclosed
                ------------------------------------------------------
Liabilities; Projections; etc.  (a) The consolidated balance sheets of the
- ------------------------------
Borrower for its fiscal year ended on July 31, 1998 and its fiscal quarter ended
on January 31, 1999, and the related consolidated statements of income, cash
flows and shareholders' equity of the Borrower for the fiscal year and fiscal
quarter ended on such dates, as the case may be, copies of which have been
furnished to the Agents prior to the Initial Borrowing Date, present fairly in
all material respects the consolidated financial position of the Borrower at the
dates of such balance sheets and the consolidated results of the operations of
the Borrower for the periods covered thereby.  All of the foregoing financial
statements have been prepared in accordance with generally accepted accounting
principles consistently applied (except, in the case of the aforementioned
quarterly financial statements, for normal year-end audit adjustments and the
absence of footnotes).  The pro forma consolidated balance sheet of the Borrower
                            ---------
and its Subsidiaries as of January 31, 1999 (after giving effect to the
transactions to occur on the Initial Borrowing Date), a copy of which has been
furnished to the Lenders prior to the Initial Borrowing Date, presents fairly in
all material respects the pro forma financial position of the Borrower and its
                          ---------
Subsidiaries as of January 31, 1999.  Since July 31, 1998, there has been no
change in the business, operations, property, assets, liabilities, condition
(financial or otherwise) or prospects of the Borrower or any of its Subsidiaries
that has had, or could reasonably be expected to have, a Material Adverse
Effect.

          (b) On and as of the Initial Borrowing Date and after giving effect
thereto, (a) the sum of the assets, at a fair valuation, of each of the Borrower
on a stand-alone basis and of

                                      -41-
<PAGE>

the Borrower and its Subsidiaries taken as a whole will exceed its debts, (b)
each of the Borrower on a stand-alone basis and the Borrower and its
Subsidiaries taken as a whole has not incurred and does not intend to incur, and
does not believe that it will incur, debts beyond its ability to pay such debts
as such debts mature, and (c) each of the Borrower on a stand alone basis and
the Borrower and its Subsidiaries taken as a whole will have sufficient capital
with which to conduct its business. For purposes of this Section 7.05(b), "debt"
means any liability on a claim, and "claim" means (i) right to payment, whether
or not such a right is reduced to judgment, liquidated, unliquidated, fixed,
contingent, matured, unmatured, disputed, undisputed, legal, equitable, secured,
or unsecured or (ii) right to an equitable remedy for breach of performance if
such breach gives rise to a payment, whether or not such right to an equitable
remedy is reduced to judgment, fixed, contingent, matured, unmatured, disputed,
undisputed, secured or unsecured. The amount of contingent liabilities at any
time shall be computed as the amount that, in the light of all the facts and
circumstances existing at such time, represents the amount that can reasonably
be expected to become an actual or matured liability.

          (c) Except as fully disclosed in the financial statements (including
the notes thereto) delivered pursuant to Section 7.05(a), there were as of the
Initial Borrowing Date no liabilities or obligations with respect to the
Borrower or any of its Subsidiaries (whether absolute, accrued, contingent or
otherwise and whether or not due) which, either individually or in aggregate,
could reasonably be expected to be material to the Borrower and its Subsidiaries
taken as a whole.

          (d) On and as of the Initial Borrowing Date, the Projections delivered
to the Agents prior to the Initial Borrowing Date have been prepared in good
faith and are based on reasonable assumptions, and there are no statements or
conclusions in the Projections which are based upon or include information known
to the Borrower to be misleading in any material respect or which fail to take
into account material information known to the Borrower regarding the matters
reported therein.  On the Initial Borrowing Date, the Borrower believes that the
Projections are reasonable and attainable, it being recognized by the Lenders,
however, that projections as to future events are not to be viewed as facts and
that the actual results during the period or periods covered by the Projections
may differ from the projected results and that the differences may be material.

          7.06  Litigation.  There are no actions, suits or proceedings pending
                ----------
or, to the knowledge of the Borrower, threatened by or before any court, agency
or other governmental instrumentality (i) with respect to this Agreement or any
other Document or (ii) that could reasonably be expected to, either individually
or in the aggregate, have a Material Adverse Effect.

          7.07  True and Complete Disclosure.  All factual information (taken as
                ----------------------------
a whole) furnished by or on behalf of any Credit Party in writing to any Agent
or any Lender for purposes of or in connection with this Agreement, the other
Credit Documents or any transaction contemplated herein or therein is, and all
other such factual information (taken as a whole) hereafter furnished by or on
behalf of any Credit Party in writing to any Agent or any Lender will be, true
and accurate in all material respects on the date as of which such information
is dated or

                                      -42-
<PAGE>

certified and not incomplete by omitting to state any fact necessary to make
such information (taken as a whole) not misleading in any material respect at
such time in light of the circumstances under which such information was
provided (it being understood that the Projections shall not be subject to the
representations and warranties set forth in this Section 7.07 but instead are
subject to the representations and warranties set forth in Section 7.05(d)).

          7.08  Use of Proceeds; Margin Regulations.  (a)  All proceeds of the
                -----------------------------------
Loans shall be used (i) to fund the Senior Notes Tender Offer/Consent
Solicitation and to pay the fees and expenses related thereto and (ii) for the
working capital and general corporate purposes of the Borrower and its
Subsidiaries.

          (b) No part of any Credit Event (or the proceeds thereof) will be used
to purchase or carry any Margin Stock or to extend credit for the purpose of
purchasing or carrying any Margin Stock.  Neither the making of any Loan nor the
use of the proceeds thereof nor the occurrence of any other Credit Event will
violate or be inconsistent with the provisions of Regulation T, U or X.

          7.09  Tax Returns and Payments.  Each of the Borrower and each of its
                ------------------------
Subsidiaries has filed all federal and state income tax returns and all other
material tax returns, domestic and foreign, required to be filed by it and has
paid all taxes and assessments payable by it which have become due, except for
those contested in good faith and adequately disclosed and fully provided for on
the financial statements of the Borrower and its Subsidiaries in accordance with
generally accepted accounting principles.  The Borrower and each of its
Subsidiaries have paid, or have provided adequate reserves (in the good faith
judgment of the management of the Borrower) for the payment of, all federal,
state, local and foreign income taxes applicable for all prior fiscal years and
for the current fiscal year to date.  There is no action, suit, proceeding,
investigation, audit, or claim now pending or, to the knowledge of the Borrower
threatened, by any authority regarding any taxes relating to the Borrower or any
of its Subsidiaries that could reasonably be expected to result in a material
liability to the Borrower or any of its Subsidiaries.  As of the Initial
Borrowing Date, neither the Borrower nor any of its Subsidiaries has entered
into an agreement or waiver or been requested to enter into an agreement or
waiver extending any statute of limitations relating to the payment or
collection of taxes of the Borrower or any of its Subsidiaries, or is aware of
any circumstances that would cause the taxable years or other taxable periods of
the Borrower or any of its Subsidiaries not to be subject to the normally
applicable statute of limitations.

          7.10  Compliance with ERISA.  (i)  Each Plan (and each related trust,
                ---------------------
insurance contract or fund) is in substantial compliance with its terms and with
all applicable laws, including without limitation ERISA and the Code; each Plan
(and each related trust, if any) which is intended to be qualified under Section
401(a) of the Code has received a determination letter from the Internal Revenue
Service to the effect that it meets the requirements of Sections 401(a) and
501(a) of the Code; no Reportable Event has occurred; no Plan which is a
multiemployer plan (as defined in Section 4001(a)(3) of ERISA) is insolvent or
in reorganization; no Plan has an Unfunded Current Liability; no Plan which is
subject to Section 412 of the Code or Section 302 of ERISA has an accumulated
funding  deficiency, within the meaning of such sections

                                      -43-
<PAGE>

of the Code or ERISA, or has applied for or received a waiver of an accumulated
funding deficiency or an extension of any amortization period, within the
meaning of Section 412 of the Code or Section 303 or 304 of ERISA; all
contributions required to be made with respect to a Plan have been made and no
material liability has occurred as a result of any failure to make any such
contribution in a timely manner; neither the Borrower nor any Subsidiary of the
Borrower nor any ERISA Affiliate has incurred any material liability (including
any indirect, contingent or secondary liability) to or on account of a Plan
pursuant to Section 409, 502(i), 502(l), 515, 4062, 4063, 4064, 4069, 4201, 4204
or 4212 of ERISA or Section 401(a)(29), 4971 or 4975 of the Code or reasonably
expects to incur any such material liability under any of the foregoing sections
with respect to any Plan; no condition exists which presents a material risk to
the Borrower or any Subsidiary of the Borrower or any ERISA Affiliate of
incurring a material liability to or on account of a Plan pursuant to the
foregoing provisions of ERISA and the Code; no proceedings have been instituted
to terminate or appoint a trustee to administer any Plan which is subject to
Title IV of ERISA; no action, suit, proceeding, hearing, audit or investigation
with respect to the administration, operation or the investment of assets of any
Plan (other than routine claims for benefits) is pending or the Borrower is
reasonably expected or threatened; using actuarial assumptions and computation
methods consistent with Part 1 of subtitle E of Title IV of ERISA, the aggregate
liabilities of the Borrower and its Subsidiaries and its ERISA Affiliates to all
Plans which are multiemployer plans (as defined in Section 4001(a)(3) of ERISA)
in the event of a complete withdrawal therefrom, as of the close of the most
recent fiscal year of each such Plan ended prior to the date of the most recent
Credit Event, would not exceed $500,000; each group health plan (as defined in
Section 607(1) of ERISA or Section 4980B(g)(2) of the Code) which covers or has
covered employees or former employees of the Borrower, any Subsidiary of the
Borrower, or any ERISA Affiliate has at all times been operated in substantial
compliance with the provisions of Part 6 of subtitle B of Title I of ERISA and
Section 4980B of the Code and any failure to so comply would not result in a
material liability; no lien imposed under the Code or ERISA on the assets of the
Borrower or any Subsidiary of the Borrower or any ERISA Affiliate exists or is
likely to arise on account of any Plan; and the Borrower and its Subsidiaries
may cease contributions to or terminate any employee benefit plan maintained by
any of them without incurring any material liability.

          (ii) Each Foreign Pension Plan has been maintained in substantial
compliance with its terms and with the requirements of any and all applicable
laws, statutes, rules, regulations and orders and has been maintained, where
required, in good standing with applicable regulatory authorities.  All
contributions required to be made with respect to a Foreign Pension Plan have
been timely made and no material liability has occurred as a result of any
failure to make any such contribution in a timely manner.  Neither the Borrower
nor any of its Subsidiaries has incurred any material obligation in connection
with the termination of or withdrawal from any Foreign Pension Plan.  The
present value of the accrued benefit liabilities (whether or not vested) under
each Foreign Pension Plan, determined as of the end of the Borrower's most
recently ended fiscal year on the basis of actuarial assumptions, each of which
is reasonable, did not exceed the current value of the assets of such Foreign
Pension Plan allocable to such benefit liabilities.

                                      -44-
<PAGE>

          7.11  The Security Documents.  (a)  The provisions of the Security
                ----------------------
Agreement are effective to create in favor of the Collateral Agent for the
benefit of the Secured Creditors a legal, valid and enforceable security
interest in all right, title and interest of the Credit Parties in the Security
Agreement Collateral described therein, and the Security Agreement, upon the
filing of Form UCC-1 financing statements or the appropriate equivalent in the
applicable recording offices, creates a fully perfected lien on, and security
interest in, all right, title and interest in all of the Security Agreement
Collateral described therein which is capable of being perfected with such
filings, subject to no other Liens other than Permitted Liens.

          (b) Upon the completion of the applicable procedures set forth in
Section 3.2 of the Pledge Agreement, the security interests created in favor of
the Collateral Agent, as Pledgee, for the benefit of the Secured Creditors under
the Pledge Agreement constitute first priority perfected security interests in
the Pledge Agreement Collateral described in the Pledge Agreement, subject to no
security interests of any other Person.  No filings or recordings are required
in order to perfect (or maintain the perfection or priority of) the security
interests created in the Pledge Agreement Collateral constituting certificated
securities and promissory notes and the proceeds thereof under the Pledge
Agreement.

          (c) After the execution and delivery thereof pursuant to this
Agreement and the recordation thereof with the appropriate recording office of
the jurisdiction in which the related Mortgaged Property is located, the
applicable Mortgage creates, as security for the obligations purported to be
secured thereby, a valid and enforceable perfected security interest in and
mortgage lien on the respective Mortgaged Property in favor of the Collateral
Agent (or such other trustee as may be required or desired under local law) for
the benefit of the Secured Creditors, superior to and prior to the rights of all
third persons (except that the security interest and mortgage lien created on
such Mortgaged Property may be subject to the Permitted Encumbrances related
thereto) and subject to no other Liens (other than Liens permitted under Section
9.01 related thereto).

          7.12  Properties.  Each of the Borrower and each of its Subsidiaries
                ----------
has good and marketable title to all material properties owned by them,
including all material property reflected in the most recent historical balance
sheet referred to in Section 7.05(a) (except as sold or otherwise disposed of
since the date of such balance sheet in the ordinary course of business or as
permitted by the terms of this Agreement), free and clear of all Liens, other
than Permitted Liens.  Schedule III contains a true and complete list of each
parcel of Real Property owned or leased by the Borrower and its Domestic
Subsidiaries on the Initial Borrowing Date, and the type of interest therein
held by the Borrower or such Domestic Subsidiary.

          7.13  Year 2000. All Information Systems and Equipment are either Year
                ---------
2000 Compliant, or any reprogramming, remediation, or any other corrective
action, including the internal testing of all such Information Systems and
Equipment, will be completed by September 30, 1999, except to the extent that
the failure to be Year 2000 Compliant could not reasonably be expected to have a
Material Adverse Effect.  Further, to the extent that such
reprogramming/remediation and testing action is required, the cost thereof, as
well as the cost of the reasonably foreseeable consequences of failure to become
Year 2000 Compliant, to the

                                      -45-
<PAGE>

Borrower and its Subsidiaries (including, without limitation, reprogramming
errors and the failure of other systems or equipment) will not result in a
Default, an Event of Default or a Material Adverse Effect.

          7.14  Subsidiaries.  (a)  As of the Initial Borrowing Date, the
                ------------
Borrower has no Subsidiaries other than those Subsidiaries listed on Schedule
IV.  Schedule IV correctly sets forth, as of the Initial Borrowing Date, the
percentage ownership (direct or indirect) of the Borrower in each class of
capital stock or other equity of each of its Subsidiaries and also identifies
the direct owner thereof.

          (b) As of the Initial Borrowing Date, each of the Subsidiaries of the
Borrower designated as an "Inactive Subsidiary" on Schedule IV (each an
"Inactive Subsidiary") is an inactive Subsidiary of the Borrower and, as such,
engages in no business activities and has no material assets or liabilities.

          7.15  Compliance with Statutes, etc.  Each of the Borrower and each of
                ------------------------------
its Subsidiaries is in compliance with all applicable statutes, regulations and
orders of, and all applicable restrictions imposed by, all governmental bodies,
domestic or foreign, in respect of the conduct of its business, the holding of
the FCC Licenses and the other Governmental Authorizations and the ownership of
its property (including applicable statutes, regulations, orders and
restrictions relating to environmental standards and controls), except such
noncompliances as could not, either individually or in the aggregate, reasonably
be expected to have a Material Adverse Effect.

          7.16  Investment Company Act.  Neither the Borrower nor any of its
                ----------------------
Subsidiaries is an "investment company" or a company "controlled" by an
"investment company," within the meaning of the Investment Company Act of 1940,
as amended.

          7.17  Public Utility Holding Company Act.  Neither the Borrower nor
                ----------------------------------
any of its Subsidiaries is a "holding company," or a "subsidiary company" of a
"holding company," or an "affiliate" of a "holding company" or of a "subsidiary
company" of a "holding company" within the meaning of the Public Utility Holding
Company Act of 1935, as amended.

          7.18  Environmental Matters.  Except to the extent that any matter set
                ---------------------
forth or described in clause (a) or (b) below, either individually or in the
aggregate, could not reasonably be expected to have a Material Adverse Effect:
(a)  Each of the Borrower and each of its Subsidiaries is in compliance with all
applicable Environmental Laws and the requirements of any permits issued under
such Environmental Laws.  There are no pending or, to the knowledge of the
Borrower, threatened Environmental Claims against the Borrower or any of its
Subsidiaries (including any such claim arising out of the ownership, lease or
operation by the Borrower or any of its Subsidiaries of any Real Property no
longer owned, leased or operated by the Borrower or any of its Subsidiaries) or
any Real Property owned, leased or operated by the Borrower or any of its
Subsidiaries.  There are no facts, circumstances, conditions or occurrences with
respect to the business or operations of the Borrower or any of its
Subsidiaries, or any Real Property owned, leased or operated by the Borrower or
any of its Subsidiaries (including, to the knowledge of the Borrower, any Real
Property formerly owned, leased or operated by the Borrower or any of its
Subsidiaries but no longer owned, leased or operated by the

                                      -46-
<PAGE>

Borrower or any of its Subsidiaries) or any property adjoining or adjacent to
any such Real Property that could reasonably be expected (i) to form the basis
of an Environmental Claim against the Borrower or any of its Subsidiaries or any
Real Property owned, leased or operated by the Borrower or any of its
Subsidiaries or (ii) to cause any Real Property owned, leased or operated by the
Borrower or any of its Subsidiaries to be subject to any restrictions on the
ownership, lease, occupancy or transferability of such Real Property by the
Borrower or any of its Subsidiaries under any applicable Environmental Law.

          (b) Hazardous Materials have not at any time been generated, used,
treated or stored on, or transported to or from, any Real Property owned, leased
or operated by the Borrower or any of its Subsidiaries where such generation,
use, treatment or storage has violated or could be expected to violate any
Environmental Law.  Hazardous Materials have not at any time been Released on or
from any Real Property owned, leased or operated by the Borrower or any of its
Subsidiaries where such Release has violated or could be expected to violate any
applicable Environmental Law.

          7.19  Labor Relations.  Neither the Borrower nor any of its
                ---------------
Subsidiaries is engaged in any unfair labor practice that could reasonably be
expected to have a Material Adverse Effect.  There is (i) no unfair labor
practice complaint pending against the Borrower or any of its Subsidiaries or,
to the knowledge of the Borrower, threatened against any of them, before the
National Labor Relations Board, and no grievance or arbitration proceeding
arising out of or under any collective bargaining agreement is so pending
against the Borrower or any of its Subsidiaries or, to the knowledge of the
Borrower, threatened against any of them, (ii) no strike, labor dispute,
slowdown or stoppage pending against the Borrower or any of its Subsidiaries or,
to the knowledge of the Borrower, threatened against the Borrower or any of its
Subsidiaries and (iii) no union representation question exists with respect to
the employees of the Borrower or any of its Subsidiaries, except (with respect
to any matter specified in clause (i), (ii) or (iii) above, either individually
or in the aggregate) such as could not reasonably be expected to have a Material
Adverse Effect.

          7.20  Patents, Licenses, Franchises and Formulas.  Each of the
                ------------------------------------------
Borrower and each of its Subsidiaries owns or has the right to use all the
patents, trademarks, permits, service marks, trade names, copyrights, licenses,
franchises, proprietary information (including but not limited to rights in
computer programs and databases) and formulas, or rights with respect to the
foregoing, and has obtained assignments of all leases and other rights of
whatever nature, necessary for the present conduct of its business, without any
known conflict with the rights of others which, or the failure to obtain which,
as the case may be, could reasonably be expected to result in a Material Adverse
Effect.

          7.21  Indebtedness.  Schedule V sets forth a true and complete list of
                ------------
all Indebtedness (including Contingent Obligations) of the Borrower and its
Subsidiaries as of the Initial Borrowing Date (excluding the Senior Notes which
will remain outstanding after the consummation of the Senior Notes Tender
Offer/Consent Solicitation and the Obligations, the "Existing Indebtedness"), in
each case showing the aggregate principal amount thereof and the

                                      -47-
<PAGE>

name of the respective borrower and any Credit Party or any of its Subsidiaries
which directly or indirectly guarantees such debt.

         7.22  Capitalization.  (a) On the Initial Borrowing Date, the
               --------------
authorized capital stock of the Borrower shall consist of (i) 100,000,000 shares
of common stock, $.01 par value per share, (ii)   35,000,000 shares of Class A
common stock, $.01 par value per share, and (iii) 10,000,000 shares of preferred
stock, $.01 par value per share, of which no shares of such preferred stock are
issued and outstanding.  All outstanding shares of the capital stock of the
Borrower have been duly and validly issued and are fully paid and non-
assessable.  The Borrower does not have outstanding any securities convertible
into or exchangeable for its capital stock or outstanding any rights to
subscribe for or to purchase, or any options for the purchase of, or any
agreement providing for the issuance (contingent or otherwise) of, or any calls,
commitments or claims of any character relating to, its capital stock, except
for (i) rights to purchase or receive shares of the Borrower's common stock and
options or warrants to purchase shares of the Borrower's common stock, in each
case which may be issued from time to time, and (ii) shares of the Borrower's
Class A common stock or Qualified Preferred Stock which may be converted into
shares of its common stock.

         7.23  FCC Licenses.  The Borrower and its Subsidiaries hold all FCC
               ------------
licenses, registrations and authorizations as are necessary to the Borrower's
and its Subsidiaries' businesses (collectively, the "FCC Licenses").  Each of
the FCC Licenses that is material to the business of the Borrower or any of its
Subsidiaries has been validly issued and is in full force and effect.  All FCC
Licenses in effect on the Initial Borrowing Date and their respective expiration
dates are listed and described on Schedule VI and true copies of such FCC
Licenses, with any and all modifications, amendments, and pending applications
therefor or relating thereto, as of the Initial Borrowing Date have been
furnished to the Administrative Agent.  The Borrower has no knowledge of any
condition imposed by the FCC as part of any FCC License which is neither set
forth on the face thereof as issued by the FCC nor contained in the policies,
rules and regulations of the FCC applicable generally to business of the type,
nature, class or location of the Borrower and its Subsidiaries.  The Borrower
and its Subsidiaries are in compliance in all material respects with the terms
and conditions of the FCC Licenses applicable to it and with the policies, rules
and regulations of the FCC and the Communications Act of 1934, as amended (the
"Communications Act").  No proceedings are pending or are, to the knowledge of
the Borrower, threatened which may reasonably be expected to result in the
revocation, rescission, modification, non-renewal or suspension of any FCC
License that is material to the business of the Borrower or any of its
Subsidiaries, the denial of any pending applications, the issuance of any cease
and desist order or the imposition of any fines, forfeitures or other
administrative actions by the FCC with respect to the Borrower or any of its
Subsidiaries.  All reports, applications, tariffs and other documents required
to be filed by the Borrower or any of its Subsidiaries, as appropriate, with the
FCC have in all material respects been timely filed and all such reports,
applications, tariffs and documents are true, correct and complete in all
material respects.  To the knowledge of the Borrower, there are no unsatisfied
or otherwise outstanding citations, complaint proceedings, notices of liability
or notices of forfeiture issued by the FCC and received by the Borrower or a
Subsidiary thereof with respect to the Borrower or any of its Subsidiaries or
any of their respective operations.

                                      -48-
<PAGE>

         7.24  Other Governmental Authorizations.  In addition to the FCC
               ---------------------------------
Licenses issued by the FCC, the Borrower and its Subsidiaries hold all material
licenses, certificates, registrations and authorizations issued by any other
governmental entity (domestic and foreign) necessary to operate their respective
businesses for each line of business of the Borrower or any of its Subsidiaries
requiring such authorization and in each jurisdiction in which Borrower or any
of its Subsidiaries may be deemed to be conducting their respective businesses
under applicable law (collectively, the "Governmental Authorizations").  Each of
the Governmental Authorizations has been validly issued and is in full force and
effect.  The Governmental Authorizations as of the Initial Borrowing Date are
listed on Schedule VII, with any expiration date for any such authorization
identified on Schedule VII, with authorizations issued by state public service
or utility commissions (or analogous state authorities) listed in Part A of
Schedule VII and other Governmental Authorizations listed in Part B of Schedule
VII.  None of the Governmental Authorizations contain any conditions or
limitations outside the normal course that would materially and adversely
restrict the operations of the Borrower or any of its Subsidiaries.  The
Borrower and its Subsidiaries have been and are in compliance in all material
respects with the terms and conditions of the Governmental Authorizations
applicable to them.  Other than the proceedings of a general nature, no
proceedings are pending or are, to the knowledge of the Borrower, threatened,
and, to the Borrower's knowledge, no event has occurred, which may reasonably be
expected to result in the revocation, rescission, adverse modification, non-
renewal or suspension of any Governmental Authorization that is material to the
business of the Borrower or any of its Subsidiaries, the denial of any pending
applications therefor, the issuance of any cease and desist order, or the
imposition of any material fines, forfeitures, or other administrative actions
by a governmental entity.  All reports, applications, tariffs and other
documents required to be filed by the Borrower or any of its Subsidiaries, as
appropriate, with the governmental entity issuing a Government Authorization
have in all material respects been timely filed, and all such reports,
applications, tariffs and documents are true, correct and complete in all
material respects.  To the knowledge of the Borrower, there are no material
unsatisfied or otherwise outstanding citations issued by any governmental entity
and received by the Borrower or a Subsidiary thereof with respect to the
Borrower or any of its Subsidiaries.  Schedule VII separately lists all pending
applications for certificates or other authorizations from any state public
service or utility commission (or analogous state authority).

         7.25  Qualification.  The transactions contemplated herein, under
               -------------
applicable law (including the Communications Act) and the applicable policies,
rules, regulations and practices of the FCC and other governmental entities,
would not disqualify the Borrower or any of its Subsidiaries as an assignee or
transferee of the FCC Licenses or the Governmental Authorizations or result in
the imposition of any materially adverse condition on or modification of the FCC
Licenses or the Governmental Authorizations.

         7.26  Insurance.  Schedule VIII sets forth a true and complete listing
               ---------
of all insurance maintained by the Borrower and its Subsidiaries as of the
Initial Borrowing Date, with the amounts insured (and any deductibles) set forth
thereon.

          SECTION 8.  Affirmative Covenants.  The Borrower hereby covenants and
                      ---------------------
agrees that on and after the Effective Date and until the Total Commitment and
all Letters of Credit

                                      -49-
<PAGE>

have terminated and the Loans, Notes and Unpaid Drawings, together with
interest, Fees and all other Obligations incurred hereunder and thereunder, are
paid in full:

          8.01  Information Covenants.  The Borrower will furnish to the
                ---------------------
Administrative Agent (which will promptly forward same to each Lender):

          (a)  Monthly Reports.  Within 30 days after the end of each fiscal
               ---------------
month of the Borrower (commencing with its fiscal month ending on May 31, 1999),
financial statements of the Borrower and its Subsidiaries consisting of
consolidated balance sheet items as at the end of such fiscal month and related
consolidated statements of income for such fiscal month and for the elapsed
portion of the fiscal year ended with the last day of such fiscal month, all in
a form, and presented on a basis, reasonably satisfactory to the Administrative
Agent, in each case setting forth comparative figures for the corresponding
fiscal month in the prior fiscal year (although no such comparisons shall be
required until the delivery of the monthly financial statements for the fiscal
month ending May 31, 2000).

          (b)  Quarterly Financial Statements.  Within 45 days after the close
               ------------------------------
of the first three quarterly accounting periods in each fiscal year of the
Borrower (commencing with its quarterly accounting period ended on April 30,
1999), (i) the consolidated balance sheet of the Borrower and its Subsidiaries
as at the end of such quarterly accounting period and the related consolidated
statements of income and retained earnings and statement of cash flows for such
quarterly accounting period and for the elapsed portion of the fiscal year ended
with the last day of such quarterly accounting period, in each case setting
forth comparative figures for the related periods in the prior fiscal year and
the respective budgeted figures for such quarterly accounting period, all of
which shall be certified by the chief financial officer of the Borrower that
they fairly present in all material respects in accordance with generally
accepted accounting principles the financial condition of the Borrower and its
Subsidiaries as of the dates indicated and the results of their operations and
changes in their cash flows for the periods indicated, subject to normal year-
end audit adjustments and the absence of footnotes, and (ii) management's
discussion and analysis of the important operational and financial developments
during such quarterly accounting period (it being understood that, except for
comparisons against budget (which must be delivered separately), the delivery by
the Borrower to the Administrative Agent of the Borrower's Form 10-Q for the
respectively quarterly accounting period as filed with the SEC within the time
frame set forth above shall satisfy the Borrower's obligations under this clause
(b) for such quarterly accounting period to the extent that such Form 10-Q
contains the information required to be delivered pursuant to this clause (b)).

          (c)  Annual Financial Statements.  As soon as available, but no later
               ---------------------------
than 100 days after the close of each fiscal year of the Borrower, (i) the
consolidated balance sheet of the Borrower and its Subsidiaries as at the end of
such fiscal year and the related consolidated statements of income and retained
earnings and statement of cash flows for such fiscal year setting forth
comparative figures for the preceding fiscal year and certified by Ernst & Young
LLP or such other independent certified public accountants of recognized
national standing reasonably acceptable to the Administrative Agent, together
with a report of such accounting firm stating that in the course of its regular
audit of the financial statements of the Borrower and

                                      -50-
<PAGE>

its Subsidiaries, which audit was conducted in accordance with generally
accepted auditing standards, such accounting firm obtained no knowledge of any
Default or an Event of Default which has occurred and is continuing or, if in
the opinion of such accounting firm such a Default or Event of Default has
occurred and is continuing, a statement as to the nature thereof, and (ii)
management's discussion and analysis of the important operational and financial
developments during such fiscal year (it being understood that, except for the
accountants' report (which must be delivered separately), the delivery by the
Borrower to the Administrative Agent of the Borrower's Form 10-K for the
respective fiscal year as filed with the SEC within the time frame set forth
above shall satisfy the Borrower's obligations under this clause (c) for such
fiscal year to the extent that such Form 10-K contains the information required
to be delivered pursuant to this clause (c)).

          (d)  Management Letters.  Promptly after the Borrower's or any of its
               ------------------
Subsidiaries' receipt thereof, a copy of any "management letter" received from
its certified public accountants and management's response thereto.

          (e)  Budgets.   No later than 60 days following the first day of each
               -------
fiscal year of the Borrower, a budget of the Borrower and its Subsidiaries, in
form reasonably satisfactory to the Administrative Agent, consisting of budgeted
statements of income and sources and uses of cash and balance sheets, prepared
by the Borrower for each of the four fiscal quarters of such fiscal year
prepared in detail setting forth, with appropriate discussion, the principal
assumptions upon which such budgets are based.

          (f)  Officers Certificates.  At the time of the delivery of the
               ---------------------
financial statements provided for in Sections 8.01(b) and (c), a certificate of
a senior financial officer of the Borrower to the effect that, to the best of
such officer's knowledge, no Default or Event of Default has occurred and is
continuing or, if any Default or Event of Default has occurred and is
continuing, specifying the nature and extent thereof, which certificate shall
set forth in reasonable detail the calculations required to establish (I)
whether the Borrower and its Subsidiaries were in compliance with the provisions
of Sections 4.02(e), 4.02(f) (to the extent delivered with the financial
statements required by Section 8.01(c)), 4.02(g), 9.03, 9.04, 9.05 and 9.07
through 9.10, inclusive, at the end of such fiscal quarter or year, as the case
may be, (II) the Applicable Margin for the Margin Reduction Period commencing
with the delivery of the respective financial statements and (III) if delivered
with the financial statements required by Section 8.01(c) in respect of the
Borrower's fiscal years ending on and after July 31, 2001, in reasonable detail
the amount of (and the calculations required to establish the amount of) Excess
Cash Flow for the respective Excess Cash Payment Period.

          (g)  Notice of Default or Litigation.  Promptly upon, and in any event
               -------------------------------
within five Business Days after, any officer of the Borrower obtains knowledge
thereof, notice of (i) the occurrence of any event which constitutes a Default
or an Event of Default, (ii) the commencement of, or threat of, or any
development in, the revocation, material adverse modification, non-renewal or
suspension of, or the filing of any petitions to deny or similar pleadings
against any renewal or other application filed on behalf of the Borrower or any
Subsidiary thereof, or with respect to any of the FCC Licenses or Governmental
Authorizations

                                      -51-
<PAGE>

material to the Borrower or any of its Subsidiaries, (iii) the issuance of, or
the threat of, any cease and desist order or the imposition of any material
fines, forfeitures or other administrative actions by the FCC or any other
governmental entity with respect to the Borrower or any of its Subsidiaries and
(iv) any litigation or governmental investigation or proceeding pending (x)
against the Borrower or any of its Subsidiaries which could reasonably be
expected to have a Material Adverse Effect or (y) with respect to any Credit
Document.

          (h)  Other Reports and Filings.  Promptly after the filing or delivery
               -------------------------
thereof, copies of all reports on Forms 10-K, 10-Q and 8-K and all proxy
materials, if any, which the Borrower or any of its Subsidiaries shall publicly
file with the Securities and Exchange Commission or any successor thereto (the
"SEC") and copies of all material reports or filings submitted by the Borrower
or any of its Subsidiaries with the FCC or other governmental instrumentality.

          (i)  Environmental Matters.  Promptly after any officer of the
               ---------------------
Borrower obtains knowledge thereof, notice of one or more of the following
environmental matters, unless such environmental matters could not, individually
or when aggregated with all other such environmental matters, be reasonably
expected to have a Material Adverse Effect:

           (i) any pending or threatened Environmental Claim against the
     Borrower or any of its Subsidiaries or any Real Property owned, leased or
     operated by the Borrower or any of its Subsidiaries;

           (ii) any condition or occurrence on or arising from any Real Property
     owned, leased or operated by the Borrower or any of its Subsidiaries that
     (a) results in noncompliance by the Borrower or any of its Subsidiaries
     with any applicable Environmental Law or (b) could be expected to form the
     basis of an Environmental Claim against the Borrower or any of its
     Subsidiaries or any such Real Property;

           (iii)  any condition or occurrence on any Real Property owned, leased
     or operated by the Borrower or any of its Subsidiaries that could be
     expected to cause such Real Property to be subject to any restrictions on
     the ownership, lease, occupancy, use or transferability by the Borrower or
     any of its Subsidiaries of such Real Property under any Environmental Law;
     and

           (iv) the taking of any removal or remedial action in response to the
     actual or alleged presence of any Hazardous Material on any Real Property
     owned, leased or operated by the Borrower or any of its Subsidiaries as
     required by any Environmental Law or any governmental or other
     administrative agency; provided, that in any event the Borrower shall
                            --------
     deliver to each Lender all notices received by the Borrower or any of its
     Subsidiaries from any government or governmental agency under, or pursuant
     to, CERCLA which identify the Borrower or any of its Subsidiaries as
     potentially responsible parties for remediation costs or which otherwise
     notify the Borrower or any of its Subsidiaries of potential liability under
     CERCLA.

                                      -52-
<PAGE>

          All such notices shall describe in reasonable detail the nature of the
claim, investigation, condition, occurrence or removal or remedial action and
the Borrower's or such Subsidiary's response thereto.

          (j)  Other Information.  From time to time, such other information or
               -----------------
documents (financial or otherwise) with respect to the Borrower or any of its
Subsidiaries as any Agent or any Lender may reasonably request.

          8.02  Books, Records and Inspections; Annual Meetings.  (a)  The
                -----------------------------------------------
Borrower will, and will cause each of its Subsidiaries to, keep proper books of
record and accounts in which  entries sufficient to prepare the financial
statements required to be delivered pursuant to this Agreement in conformity
with generally accepted accounting principles and all requirements of law shall
be made of all dealings and transactions in relation to its business and
activities.  The Borrower will, and will cause each of its Subsidiaries to,
permit officers and designated representatives of any Agent or any Lender to
visit and inspect, under guidance of officers of the Borrower or such
Subsidiary, any of the properties of the Borrower or such Subsidiary, and to
examine the books of account of the Borrower or such Subsidiary and discuss the
affairs, finances and accounts of the Borrower or such Subsidiary with, and be
advised as to the same by, its and their officers and independent accountants,
all at such reasonable times and intervals and to such reasonable extent as such
Agent or such Lender may reasonably request; provided that so long as no Default
                                             --------
or Event of Default has occurred and is continuing, each Lender shall be
entitled to only one visitation and inspection right per fiscal quarter of the
Borrower.

          (b) At a date to be mutually agreed upon between the Administrative
Agent and the Borrower occurring on or prior to the 120th day after the close of
each fiscal year of the Borrower, the Borrower will, at the request of the
Administrative Agent,  hold a meeting with all of the Lenders at which meeting
shall be reviewed the financial results of the Borrower and its Subsidiaries for
the previous fiscal year and the budgets presented for the current fiscal year
of the Borrower.

          8.03  Maintenance of Insurance.  (a) The Borrower will, and will cause
                ------------------------
each of its Subsidiaries to, (i) maintain with financially sound and reputable
insurance companies insurance in at least such amounts and against at least such
risks as is consistent and in accordance with industry practice for companies
similarly situated owning similar properties in the same general areas in which
the Borrower or any of its Subsidiaries operates, and (ii) furnish to the
Administrative Agent, together with each set of financial statements delivered
pursuant to Section 8.01(c), full information as to the insurance carried.

          (b) The Borrower will, and will cause each of its Subsidiaries to, at
all times keep its property insured in favor of the Collateral Agent, and all
policies or certificates (or certified copies thereof) with respect to such
insurance (i) shall name the Collateral Agent as loss payee and/or additional
insured, (ii) shall state that such insurance policies shall not be canceled
without at least 30 days' prior written notice thereof by the respective insurer
to the Collateral Agent, (iii) shall provide that the respective insurers
irrevocably waive any and all rights of subrogation with respect to the
Collateral Agent and the Secured Creditors, (iv) shall contain the

                                      -53-
<PAGE>

standard non-contributing mortgage clause endorsement in favor of the Collateral
Agent with respect to hazard liability insurance, (v) shall, except in the case
of public liability insurance, provide that any losses shall be payable
notwithstanding (A) any act or neglect of the Borrower or any of its
Subsidiaries, (B) the occupation or use of the properties for purposes more
hazardous than those permitted by the terms of the respective policy if such
coverage is obtainable at commercially reasonable rates and is of the kind from
time to time customarily insured against by Persons owning or using similar
property and in such amounts as are customary, (C) any foreclosure or other
proceeding relating to the insured properties or (D) any change in the title to
or ownership or possession of the insured properties.

          (c) If the Borrower or any of its Subsidiaries shall fail to insure
its property in accordance with this Section 8.03, or if the Borrower or any of
its Subsidiaries shall fail to so endorse and deposit all policies or
certificates with respect thereto, the Collateral Agent shall have the right
(but shall be under no obligation) to procure such insurance and the Borrower
agrees to reimburse the Collateral Agent for all reasonable costs and expenses
of procuring such insurance.

          8.04  Corporate Franchises.  The Borrower will, and will cause each of
                --------------------
its Subsidiaries to, do or cause to be done, all things necessary to preserve
and keep in full force and effect its existence and its material rights,
franchises, licenses and patents; provided, however, that nothing in this
                                  --------  -------
Section 8.04 shall prevent (i) sales of assets and other transactions by the
Borrower or any of its Subsidiaries in accordance with Section 9.02 or (ii) the
withdrawal by the Borrower or any of its Subsidiaries of its qualification as a
foreign corporation, partnership or limited liability company, as the case may
be, in any jurisdiction where such withdrawal could not, either individually or
in the aggregate, reasonably be expected to have a Material Adverse Effect.

          8.05  Compliance with Statutes, etc.  The Borrower will, and will
                ------------------------------
cause each of its Subsidiaries to, comply with all applicable statutes,
regulations and orders of, and all applicable restrictions imposed by, all
governmental bodies, domestic or foreign, in respect of the conduct of its
business, the ownership of its property and the retention of the FCC Licenses
and the other Governmental Authorizations (including applicable statutes,
regulations, orders and restrictions relating to environmental standards and
controls and all domestic and foreign statutes, regulations, orders and
restrictions relating to the provision of communications or communications
services), except such noncompliances as could not, either individually or in
the aggregate, reasonably be expected to have a Material Adverse Effect.

          8.06  Compliance with Environmental Laws.  The Borrower will, and will
                ----------------------------------
cause each of its Subsidiaries to, comply in all respects with all Environmental
Laws applicable to the ownership or use of its Real Property now or hereafter
owned, leased or operated by the Borrower or any of its Subsidiaries, will
promptly pay or cause to be paid all costs and expenses incurred in connection
with such compliance, and will keep or cause to be kept all such Real Property
free and clear of any Liens imposed pursuant to such Environmental Laws, except
such noncompliances as could not, either individually or in the aggregate,
reasonably be expected to have a Material Adverse Effect.  Neither the Borrower
nor any of its Subsidiaries will generate,

                                      -54-
<PAGE>

use, treat, store, Release or dispose of, or permit the generation, use,
treatment, storage, Release or disposal of Hazardous Materials on any Real
Property now or hereafter owned, leased or operated by the Borrower or any of
its Subsidiaries, or transport or permit the transportation of Hazardous
Materials to or from any such Real Property, except in compliance in all
material respects with all applicable Environmental Laws and reasonably required
in connection with the operation, use and maintenance of the business or
operations of the Borrower or any of its Subsidiaries.

          8.07  ERISA.  As soon as possible and, in any event, within fifteen
                -----
(15) days after the Borrower, any Subsidiary of the Borrower or any ERISA
Affiliate knows or has reason to know of the occurrence of any of the following,
the Borrower will deliver to each of the Lenders a certificate of the chief
financial officer of the Borrower setting forth the full details as to such
occurrence and the action, if any, that the Borrower, such Subsidiary or such
ERISA Affiliate is required or proposes to take, together with any notices
required or proposed to be given to or filed by the Borrower, such Subsidiary,
the Plan administrator or such ERISA Affiliate to or with the PBGC or any other
governmental agency, or a Plan participant and any notices received by the
Borrower, such Subsidiary or ERISA Affiliate from the PBGC or any other
government agency, or a Plan participant with respect thereto:  that a
Reportable Event has occurred (except to the extent that the Borrower has
previously delivered to the Lenders a certificate and notices (if any)
concerning such event pursuant to the next clause hereof); that a contributing
sponsor (as defined in Section 4001(a)(13) of ERISA) of a Plan subject to Title
IV of ERISA is subject to the advance reporting requirement of PBGC Regulation
Section 4043.61 (without regard to subparagraph (b)(1) thereof), and an event
described in subsection .62, .63, .64, .65, .66, .67 or .68 of PBGC Regulation
Section 4043 is reasonably expected to occur with respect to such Plan within
the following 30 days; that an accumulated funding deficiency, within the
meaning of Section 412 of the Code or Section 302 of ERISA, has been incurred or
an application may be or has been made for a waiver or modification of the
minimum funding standard (including any required installment payments) or an
extension of any amortization period under Section 412 of the Code or Section
303 or 304 of ERISA with respect to a Plan; that any contribution required to be
made with respect to a Plan or Foreign Pension Plan has not been timely made;
that a Plan covered by Title IV of ERISA has been or may be terminated,
reorganized, partitioned or declared insolvent under Title IV of ERISA; that a
Plan has an Unfunded Current Liability; that proceedings may be or have been
instituted to terminate or appoint a trustee to administer a Plan which is
subject to Title IV of ERISA; that a proceeding has been instituted pursuant to
Section 515 of ERISA to collect a delinquent contribution to a Plan; that the
Borrower, any Subsidiary of the Borrower or any ERISA Affiliate will or may
incur any material liability (including any indirect, contingent, or secondary
liability) to or on account of the termination of or withdrawal from a Plan
under Section 4062, 4063, 4064, 4069, 4201, 4204 or 4212 of ERISA or with
respect to a Plan under Section 401(a)(29), 4971, 4975 or 4980 of the Code or
Section 409 or 502(i) or 502(l) of ERISA or with respect to a group health plan
(as defined in Section 607(1) of ERISA or Section 4980B(g)(2) of the Code) under
Section 4980B of the Code; or that the Borrower or any Subsidiary of the
Borrower may incur any material liability pursuant to any employee welfare
benefit plan (as defined in Section 3(1) of ERISA) that provides benefits to
retired employees or other former employees (other than as required by Section
601 of ERISA) or any Plan or any Foreign Pension Plan.  The Borrower will
deliver, or cause its ERISA Affiliate to deliver, to each

                                      -55-
<PAGE>

of the Lenders copies of any records, documents or other information that must
be furnished to the PBGC with respect to any Plan pursuant to Section 4010 of
ERISA. Upon the request of the Administrative Agent, the Borrower will deliver,
or cause its ERISA Affiliate to deliver, to each of the Lenders a complete copy
of the annual report (on Internal Revenue Service Form 5500-series) of each Plan
(including, to the extent required, the related financial and actuarial
statements and opinions and other supporting statements, certifications,
schedules and information) required to be filed with the Internal Revenue
Service. In addition to any certificates or notices delivered to the Lenders
pursuant to the first sentence hereof, the Borrower will deliver, or cause its
ERISA Affiliate to deliver, to each of the Lenders, copies of any records,
documents or other information that must be furnished to the PBGC or any other
governmental agency, and any material notices received by the Borrower, any
Subsidiary of the Borrower or any ERISA Affiliate with respect to any Plan or
Foreign Pension Plan no later than fifteen (15) days after the date such annual
report has been filed with the Internal Revenue Service or such records,
documents and/or information has been furnished to the PBGC or any other
governmental agency or such notice has been received by the Borrower, the
Subsidiary or the ERISA Affiliate, as applicable. The Borrower will ensure, and
will cause each of its Subsidiaries to ensure, that all Foreign Pension Plans
administered by it or into which it makes payments obtains or retains (as
applicable) registered status under and as required by applicable law and is
administered in a timely manner in all respects in compliance with all
applicable laws except where the failure to do any of the foregoing, either
individually and/or in the aggregate, could not be reasonably likely to result
in a Material Adverse Effect.

          8.08  End of Fiscal Years; Fiscal Quarters.  The Borrower will, for
                ------------------------------------
financial reporting purposes, cause (i) its fiscal year to end on July 31, and
(ii) its fiscal quarters to end on October 31, January 31, April 30 and July 31.

          8.09  Payment of Taxes.  The Borrower will pay and discharge, and will
                ----------------
cause each of its Subsidiaries to pay and discharge, all taxes, assessments and
governmental charges or levies imposed upon it or upon its income or profits, or
upon any properties belonging to it (other than immaterial taxes, assessments
and governmental charges or levies), prior to the date on which penalties attach
thereto, and all lawful claims for sums that have become due and payable which,
if unpaid, might become a Lien not otherwise permitted under Section 9.01(i);

provided, that neither the Borrower nor any of its Subsidiaries shall be
- --------
required to pay any such tax, assessment, charge, levy or claim which is being
contested in good faith and by proper proceedings if it has maintained adequate
reserves with respect thereto in accordance with generally accepted accounting
principles.

          8.10  Good Repair.  The Borrower will, and will cause each of its
                -----------
Subsidiaries to, ensure that its material properties and equipment used in its
business are kept in good repair, working order and condition (ordinary wear and
tear excepted), and that from time to time there are made in such properties and
equipment all needful and proper repairs, renewals, replacements, extensions,
additions, betterments and improvements thereto, to the extent and in the manner
useful or customary for companies in similar businesses.

                                      -56-
<PAGE>

          8.11  Performance of Obligations.  The Borrower will, and will cause
                --------------------------
each of its Subsidiaries to, perform all of its obligations under the terms of
each mortgage, indenture, security agreement, loan agreement or credit agreement
and each other material agreement, contract or instrument by which it is bound,
except such non-performances as could not, either individually or in the
aggregate, reasonably be expected to have a Material Adverse Effect.

          8.12  Year 2000.  The Borrower will, and will cause each of its
                ---------
Subsidiaries to, (i) ensure that its Information Systems and Equipment are at
all times after September 30, 1999 Year 2000 Compliant, except insofar as the
failure to do so could not reasonably be expected to result in a Material
Adverse Effect and (ii) notify the Administrative Agent promptly upon detecting
any failure of the Information Systems and Equipment to be so Year 2000
Compliant.  In addition, the Borrower will, and will cause each of its
Subsidiaries to, provide any Agent and any Lender with such information about
its year 2000 computer readiness (including, without limitation, information as
to contingency plans, budgets and testing results) as such Agent or such Lender
shall reasonably request.

          8.13  Ownership in Net2Phone; etc.  (a)  Prior to a registered initial
                ---------------------------
public equity offering by Net2Phone, the Borrower will maintain an equity
ownership interest in the capital stock of Net2Phone equal to at least 27.8% of
the equity ownership in the capital stock of Net2Phone that the Borrower owned
on March 29, 1999; provided that from and after the consummation of a registered
initial public equity offering by Net2Phone, the Borrower will maintain an
equity ownership interest in the common stock of Net2Phone equal to at least 50%
of the Net2Phone common stock owned by the Borrower 72 hours after the
consummation of such initial public equity offering.

          (b) At the time that any of the capital stock of Net2Phone constitutes
Margin Stock, the Borrower will execute and deliver to each Lender an
appropriately completed Form U-1 or Form G-3 referred to in Regulation U, as
appropriate, the form of which shall be provided to the Borrower by such Lender.

          8.14  Corporate Separateness.  The Borrower will take, and will cause
                ----------------------
each of its Subsidiaries and Unrestricted Subsidiaries to take, all action as is
necessary to keep the operations of the Borrower and its Subsidiaries separate
and apart from those of any Unrestricted Subsidiaries including, without
limitation, ensuring that all customary formalities regarding their respective
corporate existence, including holding regular board of directors' and
shareholders' meetings and maintenance of corporate offices and records, are
followed.  Neither the Borrower nor any of its Subsidiaries will make any
payment to a creditor of any Unrestricted Subsidiary in respect of any liability
of any Unrestricted Subsidiary.  All financial statements provided to creditors
shall clearly evidence the corporate separateness of the Borrower and its
Subsidiaries from any Unrestricted Subsidiaries, and the Borrower and its
Subsidiaries will maintain their own respective payroll (if any) and separate
books of account and bank accounts from Unrestricted Subsidiaries.  Each
Unrestricted Subsidiary will pay its respective liabilities, including all
administrative expenses, from its own separate assets, and assets of the
Borrower and its Subsidiaries will at all times be separately identified and
segregated from the assets of Unrestricted Subsidiaries.  Finally, neither the
Borrower nor any of its Subsidiaries or

                                      -57-
<PAGE>

Unrestricted Subsidiaries will take any action, or conduct its affairs in a
manner which is likely to result in the corporate existence of any Unrestricted
Subsidiary being ignored, or in the assets and liabilities of any Unrestricted
Subsidiary being substantively consolidated with those of the Borrower or any of
its Subsidiaries in a bankruptcy, reorganization or other insolvency proceeding.

          8.15  Interest Rate Protection.  No later than 90 days following the
                ------------------------
Initial Borrowing Date, the Borrower will enter into Interest Rate Protection
Agreements mutually agreeable to the Borrower and the Agents, with a term of at
least two years, establishing a fixed or maximum market rate of interest for an
aggregate amount equal to at least 50% of the aggregate principal amount of all
Term Loans then outstanding.

          8.16  Mortgage; Opinion of Counsel; Title Insurance; etc.  In the
                ---------------------------------------------------
event that 225 Old NB Road has not obtained mortgage financing for the
Piscataway Facility as permitted by Section 9.04(xii) by November 15, 1999, then
within 60 days thereafter, the Collateral Agent shall have received:

          (i) a duly authorized, fully executed, acknowledged and delivered
     Mortgage encumbering such Real Property, together with evidence that
     counterparts of such Mortgage have been delivered to the title insurance
     company insuring the Lien of such Mortgage for recording in all places to
     the extent necessary or, in the reasonable opinion of the Collateral Agent,
     desirable to effectively create a valid and enforceable Lien on such
     Mortgaged Property in favor of the Collateral Agent (or such other trustee
     as may be required or desired under local law) for the benefit of the
     Secured Creditors;

          (ii) an opinion of counsel reasonably satisfactory to the
     Administrative Agent, addressed to the Administrative Agent, the Collateral
     Agent and each of the Lenders, from counsel reasonably satisfactory to the
     Administrative Agent, which opinion shall cover certain of the matters (but
     not title or lien priority) relating to the security interests granted
     pursuant to such Mortgage and such other matters incident to the
     transactions contemplated thereby as the Administrative Agent may
     reasonably request;

          (iii)  a Mortgage Policy covering such Mortgaged Property, together
     with all endorsements reasonably requested by the Administrative Agent
     relating thereto issued by title insurers reasonably satisfactory to the
     Administrative Agent in amounts reasonably satisfactory to the
     Administrative Agent assuring the Collateral Agent that the Mortgage on
     such Mortgaged Property is a valid and enforceable first priority mortgage
     lien on such Mortgaged Property, free and clear of all defects and
     encumbrances except Permitted Encumbrances related thereto and such
     Mortgage Policy shall otherwise be in form and substance reasonably
     satisfactory to the Administrative Agent and shall include, as appropriate
     and to the extent available, an endorsement for future advances under this
     Agreement and the Notes and for any other matter that the Administrative
     Agent in its reasonable discretion may reasonably request, shall not
     include an exception for mechanics' liens, and shall provide for
     affirmative insurance (to the extent available) and such reinsurance as the
     Administrative Agent may reasonably request; and

                                      -58-
<PAGE>

          (iv) a recent survey, in form and substance reasonably satisfactory to
     the Administrative Agent, of such Mortgaged Property, certified by a
     licensed professional surveyor reasonably satisfactory to the
     Administrative Agent.

          8.17  Additional Security; Further Assurances; etc.  (a)  The Borrower
                ---------------------------------------------
will, and will cause each Subsidiary Guarantor to, grant to the Collateral Agent
security interests and Mortgages in such assets and properties of the Borrower
and the Subsidiary Guarantors as are not covered by the original Security
Documents, and as may be reasonably requested from time to time by the
Administrative Agent or the Required Lenders (collectively, the "Additional
Security Documents") , provided that neither the Borrower nor any of its
                       --------
Subsidiaries shall be required to grant a security interest in any of its assets
to the extent same would not be permitted under any law applicable to the
Borrower or such Subsidiary, as such determination is reasonably agreed to by
the Administrative Agent.  All such security interests and Mortgages shall be
granted pursuant to documentation reasonably satisfactory in form and substance
to the Administrative Agent and shall constitute valid and enforceable perfected
security interests and Mortgages superior to and prior to the rights of all
third Persons and subject to no other Liens except for Permitted Liens related
thereto.  The Additional Security Documents or instruments related thereto shall
have been duly recorded or filed in such manner and in such places as are
required by law to establish, perfect, preserve and protect the Liens in favor
of the Collateral Agent required to be granted pursuant to the Additional
Security Documents and all taxes, fees and other charges payable in connection
therewith shall have been paid in full.

          (b) The Borrower will, and will cause each of its Subsidiaries to, at
the expense of the Borrower or such respective Subsidiary, make, execute,
endorse, acknowledge, file and/or deliver to the Collateral Agent from time to
time such vouchers, invoices, schedules, confirmatory assignments, conveyances,
financing statements, transfer endorsements, powers of attorney, certificates,
real property surveys, reports and other assurances or instruments and take such
further steps relating to the Collateral covered by any of the Security
Documents as the Collateral Agent may reasonably require.  Furthermore, the
Borrower will deliver to the Collateral Agent such opinions of counsel, Mortgage
Policies and other related documents as may be reasonably requested by the
Administrative Agent to assure itself that this Section 8.17 has been complied
with.

          (c) If the Administrative Agent or the Required Lenders reasonably
determine that they are required by law or regulation to have appraisals
prepared in respect of the Real Property of the Borrower and its Subsidiaries
constituting Collateral, the Borrower will, at its own expense,  provide to the
Administrative Agent appraisals which satisfy the applicable requirements of the
Real Estate Appraisal Reform Amendments of the Financial Institution Reform,
Recovery and Enforcement Act of 1989, as amended, and which shall otherwise be
in form and substance reasonably satisfactory to the Agents.

          (d) The Borrower agrees that each action required above by clauses (a)
through (c), inclusive, of this Section 8.17 shall be completed as soon as
possible, but in no event later than 90 days after such action is either
requested to be taken by the Administrative Agent or    the Required Lenders or
required to be taken by the Borrower and/or its Subsidiaries pursuant to

                                      -59-
<PAGE>

the terms of this Section 8.17; provided that, in no event will the Borrower or
                                --------
any of its Subsidiaries be required to (i) take any action, other than using
commercially reasonable efforts, to obtain consents from third parties with
respect to its compliance with clauses (a) through (c), inclusive, of this
Section 8.17 or (ii) pay any consideration (other than de minimus amounts),
incur any material obligation or relinquish any material right in connection
with obtaining any such consent from third parties.

          (e) Within 45 days following the Initial Borrowing Date, the Borrower
will deliver to the Administrative Agent a fully executed amendment and/or
consent to the Borrower's existing indefeasible right of use agreement dated
September 24, 1998 with Frontier Communications of the West, Inc. permitting the
Borrower to assign, either in whole or in part, its rights and/or obligations
under such agreement as collateral security to the Collateral Agent under the
Security Agreement, which amendment and/or consent shall otherwise be in form
and substance reasonably satisfactory to the Administrative Agent.

          (f) The Borrower will, and will cause each of its Subsidiaries to,
ensure that all future indefeasible right of use agreements entered into by the
Borrower and/or such Subsidiary permit the assignment by the Borrower and/or
such Subsidiary, either in whole or in part, of their respective rights and/or
obligations under such agreement as collateral security to the Collateral Agent
under the Security Agreement, except to the extent that any such assignment
shall be prohibited by applicable law (it being understood and agreed, however,
(i) that the seller under an indefeasible right of use agreement (to the extent
that such seller is not the Borrower or a Subsidiary or Unrestricted Subsidiary
thereof) may retain the right to consent to any future assignment or transfer of
such agreement by the Collateral Agent upon the exercise of the Collateral
Agent's rights and remedies under the Security Agreement so long as such consent
rights are subject to not being unreasonably withheld or delayed and (ii) to the
extent that the seller under such indefeasible right of use agreement is the
Borrower or a Subsidiary thereof, the terms of the second parenthetical of the
final sentence of Section 9.02 shall apply).

          (g) At the time that the Borrower or any Subsidiary Guarantor acquires
any Pledge Agreement Collateral that constitutes Margin Stock, the Borrower or
such Subsidiary Guarantor, as the case may be, will notify the Administrative
Agent thereof and, within 10 days thereafter, will (i) deliver such Pledge
Agreement Collateral to the Collateral Agent under the Pledge Agreement and (ii)
execute and deliver to each Lender an appropriately completed Form U-1 or Form
G-3 referred to in Regulation U, as applicable, the form of which shall be
provided to the Borrower or such Subsidiary Guarantor by such Lender.

          (h) At such time as any Inactive Subsidiary ceases to constitute an
"Inactive Subsidiary" (i.e., such Subsidiary begins to engage in any business
                       ----
activities or otherwise acquires or owns assets with an aggregate value of
$50,000 or more), such Subsidiary will execute and deliver all of the
documentation required to be executed and delivered by a new Wholly-Owned
Subsidiary pursuant to sub-clauses (x)(ii) and (x)(iii) of the proviso to
Section 9.15(a).

                                      -60-
<PAGE>

          (i) The Borrower will, and will cause each of its respective
Subsidiaries to, take the following actions within the time periods set forth
below in this clause (i):

          (I) within 30 days following the Initial Borrowing Date, the Pledge
     Agreement Collateral described on Schedule XI shall have been delivered to
     the Collateral Agent under the Pledge Agreement, endorsed in blank in the
     case of promissory notes or accompanied by executed and undated stock
     powers in the case of capital stock; provided, however, to the extent that
                                          --------  -------
     the consent of any third party is required to pledge any such Pledge
     Agreement Collateral constituting promissory notes, such promissory notes
     do not have to be delivered until such time as such consent is obtained
     (which the Borrower agrees to use its reasonable efforts to promptly
     obtain);

          (II) within 30 days following the Initial Borrowing Date, all actions
     shall have been take to ensure that each of IDT International, Media
     Response, Yovelle Renaissance and InterExchange are in good standing under
     the laws of the State of New Jersey, and the Administrative Agent shall
     have received copies of good standing certificates from the State of New
     Jersey evidencing same;

          (III)  within 45 days following the Initial Borrowing Date, (i) IDT
     America shall have obtained the Required West Virginia Approval and
     delivered evidence of same to the Administrative Agent, (ii) IDT America
     shall have become a party to the Subsidiaries Guaranty, the Pledge
     Agreement and the Security Agreement pursuant to an assumption agreement in
     form and substance satisfactory to the Administrative Agent and (iii) the
     Administrative Agent shall have received all other documentation of the
     type described in Sections 5.03, 5.04, 5.09 and 5.10 with respect to IDT
     America as IDT America would  have had to deliver if it were a Credit Party
     on the Initial Borrowing Date;

          (IV) within 15 days following the Initial Borrowing Date, the
     Administrative Agent shall have received true and correct copies of the
     certificate of incorporation for each of 225 Old NB Road and Dipchip; and

          (V) within 90 days following the Initial Borrowing Date, the Borrower
     shall have taken all actions as may have been reasonably requested by the
     Administrative Agent with respect to the pledge of the uncertificated
     securities of the Borrower's Foreign Subsidiaries under the Pledge
     Agreement.

          8.18  Foreign Subsidiaries Security.  If, following a change in the
                -----------------------------
relevant sections of the Code or the regulations, rules, rulings, notices or
other official pronouncements issued or promulgated thereunder, the Borrower
does not within 45 days after a request from the Administrative Agent or the
Required Lenders deliver evidence, in form and substance reasonably satisfactory
to the Administrative Agent and the Borrower, with respect to any Foreign
Subsidiary of the Borrower which has not already had all of its stock pledged
pursuant to the Pledge Agreement that (i) a pledge of 66-2/3% or more of the
total combined voting power of all classes of capital stock of such Foreign
Subsidiary entitled to vote, (ii) the entering into by such Foreign Subsidiary
of a security agreement in substantially the form of the Security

                                      -61-
<PAGE>

Agreement and (iii) the entering into by such Foreign Subsidiary of a guaranty
in substantially the form of the Subsidiaries Guaranty, in any such case could
reasonably be expected to cause (I) any undistributed earnings of such Foreign
Subsidiary as determined for Federal income tax purposes to be treated as a
deemed dividend to such Foreign Subsidiary's United States parent for Federal
income tax purposes or (II) other Federal income tax consequences to the Credit
Parties having a Material Adverse Effect, then in the case of a failure to
deliver the evidence described in clause (i) above, that portion of such Foreign
Subsidiary's outstanding capital stock not theretofore pledged pursuant to the
Pledge Agreement shall be pledged to the Collateral Agent for the benefit of the
Secured Creditors pursuant to the Pledge Agreement (or another pledge agreement
in substantially similar form, if needed), and in the case of a failure to
deliver the evidence described in clause (ii) above, such Foreign Subsidiary (to
the extent that same is a Wholly-Owned Subsidiary) shall execute and deliver the
Security Agreement and Pledge Agreement (or another security agreement or pledge
agreement in substantially similar form, if needed), granting the Secured
Creditors a security interest in all of such Foreign Subsidiary's assets and
securing the Obligations of the Borrower under the Credit Documents and under
any Interest Rate Protection Agreement or Other Hedging Agreement and, in the
event the Subsidiaries Guaranty shall have been executed by such Foreign
Subsidiary, the obligations of such Foreign Subsidiary thereunder, and in the
case of a failure to deliver the evidence described in clause (iii) above, such
Foreign Subsidiary (to the extent that same is a Wholly-Owned Subsidiary) shall
execute and deliver the Subsidiaries Guaranty (or another guaranty in
substantially similar form, if needed), guaranteeing the Obligations of the
Borrower under the Credit Documents and under any Interest Rate Protection
Agreement or Other Hedging Agreement, in each case to the extent that the
entering into of the Security Agreement, Pledge Agreement or Subsidiaries
Guaranty is permitted by the laws of the respective foreign jurisdiction and
with all documents delivered pursuant to this Section 8.18 to be in form and
substance reasonably satisfactory to the Administrative Agent.

          8.19  Permitted Acquisitions.  (a)  Subject to the provisions of this
                ----------------------
Section 8.19 and the requirements contained in the definition of Permitted
Acquisition, the Borrower and its Wholly-Owned Subsidiaries may from time to
time effect Permitted Acquisitions, so long as (in each case except to the
extent the Required Lenders otherwise specifically agree in writing in the case
of a specific Permitted Acquisition):  (i) no Default or Event of Default shall
have occurred and be continuing at the time of the consummation of the proposed
Permitted Acquisition or immediately after giving effect thereto; (ii) the
Borrower shall have given the Administrative Agent and the Lenders at least 10
Business Days' prior written notice of any Permitted Acquisition; (iii)
calculations are made by the Borrower of compliance with the covenants contained
in Sections 9.08, 9.09 and 9.10 for the Test Period (taken as one accounting
period) most recently ended prior to the date of such Permitted Acquisition for
which financial statements are available (each, a "Calculation Period"), on a
Pro Forma Basis as if the respective Permitted Acquisition (as well as all other
- --- -----
Permitted Acquisitions theretofore consummated after the first day of such
Calculation Period) had occurred on the first day of such Calculation Period,
and such recalculations shall show that such financial covenants would have been
complied with if the Permitted Acquisition had occurred on the first day of such
Calculation Period; (iv) based on good faith projections prepared by the
Borrower for the period from the date of the consummation of the Permitted
Acquisition to the date which is one year thereafter, the level of

                                      -62-
<PAGE>

financial performance measured by the covenants set forth in Sections 9.08, 9.09
and 9.10 shall be better than or equal to such level as would be required to
provide that no Default or Event of Default would exist under the financial
covenants contained in Sections 9.08, 9.09 and 9.10 as compliance with such
covenants would be required through the date which is one year from the date of
the consummation of the respective Permitted Acquisition; (v) all
representations and warranties contained herein and in the other Credit
Documents shall be true and correct in all material respects with the same
effect as though such representations and warranties had been made on and as of
the date of such Permitted Acquisition (both before and after giving effect
thereto), unless stated to relate to a specific earlier date, in which case such
representations and warranties shall be true and correct in all material
respects as of such earlier date; (vi) the aggregate consideration (including,
without limitation, (I) the aggregate principal amount of any Indebtedness
assumed, incurred or issued in connection therewith, (II) the fair market value
(as determined in good faith by the Board of Directors of the Borrower) of any
common stock or Qualified Preferred Stock of the Borrower issued as part of the
purchase price therefor (provided that no Default or Event of Default under
Section 10.10 would result therefrom) and (III) the aggregate amount paid and to
be paid pursuant to any earn-out, non-compete or deferred compensation or
purchase price arrangements) for any such proposed Permitted Acquisition shall
not exceed either (A) $25,000,000 (or $12,500,000 in the case of the period from
the Initial Borrowing Date through July 31, 1999) or (B) when added to the
aggregate consideration paid for all other Permitted Acquisitions consummated
during such fiscal year, $50,000,000 (or $12,500,000 in the case of the period
from the Initial Borrowing Date through July 31, 1999); (vii) immediately after
giving effect to each Permitted Acquisition (and all payments to be made in
connection therewith), the Total Unutilized Revolving Loan Commitment shall
equal or exceed $5,000,000; (viii) the aggregate consideration paid in
connection with all Permitted Acquisitions in which the Person or assets so
acquired had more than 25% of their assets or annual revenues outside of the
United States (as determined from the most recently available financial
information for such Person or assets) does not exceed $100,000,000; and (ix)
the Borrower shall have delivered to the Administrative Agent and each Lender an
officer's certificate executed by a senior financial officer of the Borrower,
certifying to the best of such officer's knowledge, compliance with the
requirements of preceding clauses (i) through (viii), inclusive, and containing
the calculations (in reasonable detail) required by the preceding clauses (iii),
(iv), (vi), (vii) and (viii).

          (b) At the time of each Permitted Acquisition involving the creation
or acquisition of a Subsidiary, or the acquisition of capital stock or other
equity interest of any Person, all capital stock or other equity interests
thereof created or acquired in connection with such Permitted Acquisition shall
be pledged for the benefit of the Secured Creditors pursuant to (and to the
extent required by) the Pledge Agreement.

          (c) The Borrower will cause each Subsidiary which is formed to effect,
or is acquired pursuant to, a Permitted Acquisition to comply with, and to
execute and deliver, all of the documentation as and to the extent required by,
Sections 8.17 and 9.15, to the satisfaction of the Administrative Agent.

                                      -63-
<PAGE>

          (d) The consummation of each Permitted Acquisition shall be deemed to
be a representation and warranty by the Borrower that the certifications by the
Borrower pursuant to Section 8.19(a) are true and correct and that all
conditions thereto have been satisfied and that same is permitted in accordance
with the terms of this Agreement, which representation and warranty shall be
deemed to be a representation and warranty for all purposes hereunder,
including, without limitation, Sections 7 and 10.

          8.20  Use of Proceeds.  All proceeds of the Loans shall be used as
                ---------------
provided in Section 7.08.

          SECTION 9.  Negative Covenants.  The Borrower hereby covenants and
                      ------------------
agrees that on and after the Effective Date and until the Total Commitment and
all Letters of Credit have terminated and the Loans, Notes and Unpaid Drawings,
together with interest, Fees and all other Obligations incurred hereunder and
thereunder, are paid in full:

          9.01  Liens.  The Borrower will not, and will not permit any of its
                -----
Subsidiaries to, create, incur, assume or suffer to exist any Lien upon or with
respect to any property or assets (real or personal, tangible or intangible) of
the Borrower or any of its Subsidiaries, whether now owned or hereafter
acquired, or sell any such property or assets subject to an understanding or
agreement, contingent or otherwise, to repurchase such property or assets
(including sales of accounts receivable with recourse to the Borrower or any of
its Subsidiaries), or assign any right to receive income or permit the filing of
any financing statement under the UCC or any other similar notice of Lien under
any similar recording or notice statute; provided that the provisions of this
                                         --------
Section 9.01 shall not prevent the creation, incurrence, assumption or existence
of the following or the filing of any financing statements in connection
therewith (Liens described below are herein referred to as "Permitted Liens"):

           (i) inchoate Liens for taxes, assessments or governmental charges or
     levies not yet due or Liens for taxes, assessments or governmental charges
     or levies being contested in good faith and by appropriate proceedings for
     which adequate reserves have been established in accordance with generally
     accepted accounting principles;

           (ii) Liens in respect of property or assets of the Borrower or any of
     its Subsidiaries imposed by law, which were incurred in the ordinary course
     of business and do not secure Indebtedness for borrowed money, such as
     carriers', warehousemen's, materialmen's and mechanics' liens and other
     similar Liens arising in the ordinary course of business, and (x) which do
     not in the aggregate materially detract from the value of the Borrower's or
     such Subsidiary's property or assets or materially impair the use thereof
     in the operation of the business of the Borrower or such Subsidiary or (y)
     which are being contested in good faith by appropriate proceedings, which
     proceedings have the effect of preventing the forfeiture or sale of the
     property or assets subject to any such Lien;

           (iii)  Liens in existence on the Initial Borrowing Date which are
     listed, and the property subject thereto described, in Schedule IX, but
     only to the respective date, if any, set forth in such Schedule IX for the
     removal, replacement and termination of any such Liens, plus renewals,
     replacements and extensions of such Liens to the extent set forth on

                                      -64-
<PAGE>

     such Schedule IX, provided that (x) the aggregate principal amount of the
                       --------
     Indebtedness, if any, secured by such Liens does not increase from that
     amount outstanding at the time of any such renewal, replacement or
     extension and (y) any such renewal, replacement or extension does not
     encumber any additional assets or properties of the Borrower or any of its
     Subsidiaries;

           (iv) Liens created pursuant to the Security Documents;

           (v) leases or subleases granted to other Persons not materially
     interfering with the conduct of the business of the Borrower or any of its
     Subsidiaries;

           (vi) Liens upon assets of the Borrower or any of its Subsidiaries
     subject to Capitalized Lease Obligations to the extent such Capitalized
     Lease Obligations are permitted by Section 9.04(iv), provided that (x) such
                                                          --------
     Liens only serve to secure the payment of Indebtedness arising under such
     Capitalized Lease Obligation and (y) the Lien encumbering the asset giving
     rise to the Capitalized Lease Obligation does not encumber any other asset
     of the Borrower or any Subsidiary of the Borrower;

           (vii)  Liens placed upon equipment or machinery acquired after the
     Initial Borrowing Date and used in the ordinary course of business of the
     Borrower or any of its Subsidiaries at the time of the acquisition thereof
     by the Borrower or any such Subsidiary or within 90 days thereafter to
     secure Indebtedness incurred to pay all or a portion of the purchase price
     or to secure Indebtedness incurred solely for the purpose of financing the
     acquisition of any such equipment or machinery or extensions, renewals or
     replacements of any of the foregoing for the same or a lesser amount,

     provided that (x) such Indebtedness is permitted by Section 9.04(iv) and
     --------
     (y) in all events, the Lien encumbering the asset so acquired does not
     encumber any other asset of the Borrower or such Subsidiary, as the case
     may be;

           (viii)  easements, rights-of-way, restrictions, encroachments and
     other similar charges or encumbrances, and minor title deficiencies, in
     each case not securing Indebtedness and not materially interfering with the
     conduct of the business of the Borrower or any of its Subsidiaries;

           (ix)  Permitted Encumbrances;

           (x) Liens arising from precautionary UCC financing statement filings
     regarding operating leases;

           (xi) Liens arising out of the existence of judgments or awards not
     constituting an Event of Default under Section 10.09, provided that the
     aggregate amount of all cash and the fair market value of all other
     property pledged or deposited to secure all such judgments or awards shall
     not exceed $2,000,000 at any time outstanding;

           (xii)  statutory and common law landlords' liens under leases to
     which the Borrower or any of its Subsidiaries is a party;

                                      -65-
<PAGE>

           (xiii)  Liens (other than Liens imposed under ERISA) incurred in the
     ordinary course of business in connection with workers compensation claims,
     unemployment insurance and social security benefits;

           (xiv)  Liens securing (x) the performance of bids, tenders, leases
     and contracts in the ordinary course of business and consistent with past
     practices and (y) statutory obligations, surety bonds, performance bonds
     and other obligations of a like nature incurred in the ordinary course of
     business and consistent with past practices (exclusive of obligations in
     respect of the payment for borrowed money), provided that the aggregate
     value of all cash and the fair market value of all other property
     encumbered by Liens permitted by this clause (xiv) shall not at any time
     exceed $1,000,000;

           (xv) Liens on property or assets acquired pursuant to a Permitted
     Acquisition, or on property or assets of a Subsidiary of the Borrower in
     existence at the time such Subsidiary is acquired pursuant to a Permitted
     Acquisition, provided that (x) any Indebtedness that is secured by such
                  --------
     Liens is permitted to exist under Section 9.04(ix), and (y) such Liens are
     not incurred in connection with, or in contemplation or anticipation of,
     such Permitted Acquisition and do not attach to any other asset of the
     Borrower or any of its Subsidiaries;

           (xvi)  Liens solely on the real estate portion of the Piscataway
     Facility (including the buildings, improvements and fixtures thereon (other
     than switches to the extent that same constitute fixtures)) securing
     Indebtedness incurred pursuant to Section 9.04(xii), provided that such
     Liens do not encumber any other assets of 225 Old NB Road or any assets of
     the Borrower or any of its other Subsidiaries (including InterExchange);
     and

           (xvii)  other Liens incidental to the conduct of the business or the
     ownership of the assets of the Borrower or any Subsidiary that (a) were not
     incurred in connection with borrowed money, (b) do not encumber any
     Collateral and do not in the aggregate materially detract from the value of
     the assets subject thereto or materially impair the use thereof in the
     operation of such business and (c) do not secure obligations in excess of
     $200,000 in the aggregate for all such Liens.

In connection with the granting of Liens of the type described in clauses (vi),
(vii) and (xvi) of this Section 9.01 by the Borrower or any of its Subsidiaries,
the Administrative Agent and the Collateral Agent shall be authorized to take
any actions deemed appropriate by it in connection therewith (including, without
limitation, by executing appropriate lien releases or lien subordination
agreements in favor of the holder or holders of such Liens, in either case
solely with respect to the item or items of equipment or other assets subject to
such Liens).

          9.02  Consolidation, Merger, Purchase or Sale of Assets, etc.  The
                -------------------------------------------------------
Borrower will not, and will not permit any of its Subsidiaries to, wind up,
liquidate or dissolve its affairs or  merge or consolidate, or convey, sell,
lease or otherwise dispose of all or any part of its property or assets, or
enter into any sale-leaseback transactions, or purchase or otherwise acquire (in
one or a series of related transactions) any part of the property or assets
(other than purchases or other

                                      -66-
<PAGE>

acquisitions of inventory, materials and equipment in the ordinary course of
business) of any Person (or agree to do any of the foregoing at any future
time), except that:

           (i) Capital Expenditures by the Borrower and its Subsidiaries shall
     be permitted to the extent not in violation of Section 9.07;

           (ii) each of the Borrower and its Subsidiaries may make sales of
     inventory (including sales of resale capacity on any fiber network or
     indefeasible right of use agreement) and license intellectual property in
     the ordinary course of business;

           (iii)  each of the Borrower and its Subsidiaries may sell obsolete or
     worn-out equipment or materials in the ordinary course of business;

           (iv) each of the Borrower and its Subsidiaries may sell or discount,
     in each case without recourse and in the ordinary course of business,
     accounts receivable arising in the ordinary course of business, but only in
     connection with the compromise or collection thereof and not as part of any
     financing transaction;

           (v) each of the Borrower and its Subsidiaries may sell other assets
     (other than the capital stock of any Subsidiary Guarantor, the Internet
     Business or the capital stock of Net2Phone) so long as (i) no Default or no
     Event of Default then exists or would result therefrom, (ii) each such sale
     is in an arm's-length transaction and the Borrower or the respective
     Subsidiary receives at least fair market value (as determined in good faith
     by the Borrower or such Subsidiary, as the case may be), (iii) the total
     consideration received by the Borrower or such Subsidiary is either cash,
     like-kind property or a combination of cash and like-kind property and (in
     each case) is paid at the time of the closing of such sale, (iv) the Net
     Sale Proceeds therefrom are applied and/or reinvested as (and to the
     extent) required by Section 4.02(e) and (v) the aggregate amount of the
     proceeds (including the fair market value of all like-kind property)
     received from all assets sold pursuant to this clause (v) shall not exceed
     $12,000,000 in any fiscal year of the Borrower (or $3,000,000 in the case
     of the period from the Initial Borrowing Date through July 31, 1999);

         (vi) the Borrower may sell shares of the capital stock of Net2Phone so
     long as (i) no Default or no Event of Default then exists or would result
     therefrom (including under Section 8.13), (ii) each such sale is in an
     arm's-length transaction and the Borrower receives at least fair market
     value (as determined in good faith by the Borrower), (iii) the total
     consideration received by the Borrower is 100% cash and is paid at the time
     of the closing of such sale, provided that up to $10,000,000 of such
     consideration in the aggregate may be in the form of telecommunications
     equipment that will be owned by, and used in the business of, the Borrower
     or a Subsidiary Guarantor, and (iv) the Net Sale Proceeds therefrom are
     applied and/or reinvested as (and to the extent) required by Section
     4.02(e);

         (vii)  the Borrower and its Subsidiaries may sell all or a portion of
     the Internet Business so long as (i) no Default or Event of Default then
     exists or would result

                                      -67-
<PAGE>

     therefrom, (ii) each such sale is in an arm's-length transaction and the
     Borrower or the respective Subsidiary receives at least fair market value
     (as determined in good faith by the Borrower or such Subsidiary, as the
     case may be), (iii) the total consideration received by the Borrower or
     such Subsidiary is 100% cash and is paid within six months following the
     closing of each such sale (or sooner, to the extent required by the terms
     of the respective sale agreement), although at least 10% of such cash
     consideration shall be required to be paid at the time of the closing of
     each such sale, (iv) the Net Sale Proceeds therefrom are applied and/or
     reinvested as (and to the extent) required by Section 4.02(e) and (v) prior
     to the consummation of any such sale, the Borrower shall disclose to the
     Administrative Agent the principal terms and conditions of each such sale;

           (viii)  Investments may be made to the extent permitted by Section
     9.05;

           (ix) each of the Borrower and its Subsidiaries may lease (as lessee)
     real or personal property (so long as any such lease does not create a
     Capitalized Lease Obligation except to the extent permitted by Section
     9.04(iv));

           (x) the Borrower and its Wholly-Owned Subsidiaries may make Permitted
     Acquisitions in accordance with the requirements of Section 8.19;

           (xi) each of the Borrower and its Subsidiaries may grant leases or
     subleases to other Persons not materially interfering with the conduct of
     the business of the Borrower or any of its Subsidiaries;

           (xii)  any Subsidiary of the Borrower (i) may be merged or
     consolidated with or into the Borrower or liquidated so long as the
     Borrower is the surviving corporation of such merger or consolidation or
     receives the assets of such Subsidiary upon such liquidation and (ii) may
     transfer its assets to the Borrower or to any Subsidiary Guarantor;

           (xiii)  any Subsidiary of the Borrower may be merged or consolidated
     with or into any other Subsidiary of the Borrower or liquidated so long as
     (i) in the case of any (x) such merger or consolidation involving a
     Subsidiary Guarantor, a Subsidiary Guarantor is the surviving corporation
     of such merger or consolidation or (y) such liquidation, a Subsidiary
     Guarantor receives the assets of such Subsidiary upon such liquidation and
     (ii) in the case of any (x) such merger or consolidation involving a
     Wholly-Owned Subsidiary of the Borrower, in addition to the requirements of
     preceding clause (i), a Wholly-Owned Subsidiary is the surviving
     corporation of such merger or consolidation or (y) such liquidation, a
     Wholly-Owned Subsidiary receives the assets of such Subsidiary upon such
     liquidation;

        (xiv)  any Subsidiary Guarantor may transfer assets to another
     Subsidiary Guarantor;

                                      -68-
<PAGE>

        (xv)  any Subsidiary of the Borrower that is not a Subsidiary Guarantor
     may transfer assets to a Wholly-Owned Subsidiary of the Borrower that is
     not a Subsidiary Guarantor; and

        (xvi) the Borrower may transfer any FCC License or Governmental
     Authorization to a Subsidiary Guarantor.

          To the extent the Required Lenders waive the provisions of this
Section 9.02 with respect to the sale of any Collateral, or any Collateral is
sold as permitted by this Section 9.02 (other than to the Borrower or a
Subsidiary thereof), such Collateral shall be sold free and clear of the Liens
created by the respective Security Documents and the Administrative Agent and
the Collateral Agent shall be authorized to take any actions deemed appropriate
in order to effect the foregoing (it being understood, however, that any sale of
capacity under an indefeasible right of use agreement shall not be considered a
release (nor shall it be a release) of all or any portion of the respective
indefeasible right of use agreement to which the Borrower or a Subsidiary
Guarantor remains a party, although the Collateral Agent is hereby authorized to
(and the Collateral Agent hereby agrees that it will) enter into a
nondisturbance agreement in favor of the purchaser of such capacity, on terms
reasonably acceptable to the Collateral Agent, to the extent that such purchaser
requires same as a condition of its purchase).

          9.03  Dividends.  The Borrower will not, and will not permit any of
                ---------
its Subsidiaries to, authorize, declare or pay any Dividends with respect to the
Borrower or any of its Subsidiaries, except that:

           (i) any Subsidiary of the Borrower may pay Dividends to the Borrower
     or to any Wholly-Owned Subsidiary of the Borrower;

           (ii) any non-Wholly-Owned Subsidiary of the Borrower may pay cash
     Dividends to its shareholders generally so long as the Borrower or its
     respective Subsidiary which owns the equity interest in the Subsidiary
     paying such Dividends receives at least its proportionate share thereof
     (based upon its relative holding of the equity interest in the Subsidiary
     paying such Dividends and taking into account the relative preferences, if
     any, of the various classes of equity interests of such Subsidiary);

           (iii)  so long as there shall exist no Default or Event of Default
     (both before and after giving effect to the payment thereof), the Borrower
     may repurchase or redeem shares of its common stock held by former
     officers, employees and directors of the Borrower and its Subsidiaries,
     provided that the aggregate amount of all Dividends made by the Borrower
     pursuant to this clause (iii) in any fiscal year of the Borrower shall not
     exceed $2,000,000; and

           (iv) the Borrower may pay Dividends on shares of its Qualified
     Preferred Stock solely through the issuance of additional shares of
     Qualified Preferred Stock rather than in cash.

                                      -69-
<PAGE>

          9.04  Indebtedness.  The Borrower will not, and will not permit any of
                ------------
its Subsidiaries to, contract, create, incur, assume or suffer to exist any
Indebtedness, except:

           (i) Indebtedness incurred pursuant to this Agreement and the other
     Credit Documents;

           (ii) Existing Indebtedness outstanding on the Initial Borrowing Date
     and listed on Schedule V, and giving effect to any subsequent extension,
     renewal or refinancing thereof to the extent permitted on such Schedule V,
     provided that the aggregate principal amount of the Indebtedness to be
     extended, renewed or refinanced does not increase from that amount
     outstanding at the time of any such extension, renewal or refinancing;

           (iii)  Indebtedness under Interest Rate Protection Agreements entered
     into with respect to other Indebtedness permitted under this Section 9.04;

           (iv) Indebtedness of the Borrower and its Subsidiaries evidenced by
     Capitalized Lease Obligations and purchase money Indebtedness of the type
     described in Section 9.01(vii), provided that in no event shall the sum of
                                     --------
     (I) the aggregate principal amount of all Capitalized Lease Obligations and
     (II) the aggregate principal amount of all such purchase money Indebtedness
     exceed (x) $25,000,000 at any time outstanding on or prior to July 31,
     2001, (y) $35,000,000 at any time outstanding after July 31, 2001 and on or
     prior to July 31, 2002 or (z) $50,000,000 at any time outstanding
     thereafter;

           (v) intercompany Indebtedness among the Borrower and its Subsidiaries
     to the extent permitted by Sections 9.05(xii), (xiv), (xv), (xvi) and
     (xvii), provided that (i) any intercompany indebtedness owed by the
     Borrower or any Subsidiary Guarantor to any Subsidiary of the Borrower
     which is not a Subsidiary Guarantor shall contain (and shall be subject to)
     the subordination provisions set forth on Exhibit L and (ii) any such
     intercompany indebtedness that is owed to a Credit Party shall be evidenced
     by an Intercompany Note that is pledged to the Collateral Agent pursuant to
     the Pledge Agreement;

           (vi) Indebtedness consisting of unsecured guaranties by the Borrower
     and its Wholly-Owned Subsidiaries of other Indebtedness of the Borrower and
     its Wholly-Owned Subsidiaries otherwise permitted to be incurred under this
     Section 9.04 (other than Indebtedness permitted under clauses (viii), (ix),
     (x) and (xii) of this Section 9.04);

           (vii)  Indebtedness under Other Hedging Agreements providing
     protection against fluctuations in currency values in connection with the
     Borrower's or any of its Subsidiaries' foreign operations so long as
     management of the Borrower or such Subsidiary, as the case may be, has
     determined in good faith that the entering into of such Other Hedging
     Agreements are bona fide hedging activities and are not for speculative
                    ---- ----
     purposes;

           (viii)  Indebtedness of the Borrower in respect of the Senior Notes
     which remain outstanding following the consummation of the Senior Notes
     Tender Offer/Consent

                                      -70-
<PAGE>

     Solicitation in an aggregate principal amount not to exceed $400,000 (as
     reduced by any repayments of principal thereof);

           (ix) Indebtedness of a Subsidiary acquired pursuant to a Permitted
     Acquisition (or Indebtedness assumed at the time of a Permitted Acquisition
     of an asset securing such Indebtedness), provided that (x) such
     Indebtedness was not incurred in connection with, or in anticipation or
     contemplation of, such Permitted Acquisition, (y) such Indebtedness does
     not constitute debt for borrowed money (other than debt for borrowed money
     originally incurred in connection with industrial revenue or industrial
     development bond financings), it being understood and agreed that
     Capitalized Lease Obligations and purchase money Indebtedness shall not
     constitute debt for borrowed money for purposes of this clause (y), and (z)
     at the time of such Permitted Acquisition (but only to the extent that the
     aggregate consideration paid therefor is in excess of $1,000,000), such
     Indebtedness does not exceed 15% of the total value of the assets of the
     Subsidiary so acquired, or of the asset so acquired, as the case may be;

           (x) Indebtedness arising from the honoring by a bank or other
     financial institution of a check, draft or similar instrument inadvertently
     (except in the case of daylight overdrafts) drawn against insufficient
     funds in the ordinary course of business, so long as such Indebtedness not
     otherwise constituting Indebtedness permitted under this Section 9.04 is
     extinguished within two Business Days of the incurrence thereof;

           (xi) Indebtedness in respect of bid, performance, advance payment or
     surety bonds entered into in the ordinary course of business and consistent
     with past practices in an aggregate amount not to exceed $1,000,000 at any
     time outstanding;

           (xii)  Indebtedness of 225 Old NB Road in respect of mortgage
     financing for the real estate portion of the Piscataway Facility (including
     the buildings, fixtures (other than switches to the extent that same
     constitute fixtures) and improvements thereon) so long as (i) at the time
     of the incurrence thereof, no Default or Event of Default then exists or
     would result therefrom, (ii) the aggregate principal amount of such
     Indebtedness does not exceed $6,500,000 nor is less than 75% of the
     appraised value of the real estate portion of such facility (based on a
     current appraisal prepared by an independent appraiser), (iii) the only
     Liens securing such Indebtedness are Liens permitted pursuant to Section
     9.01(xvi), (iv) the amortization schedule of such Indebtedness shall be
     based on a term of at least 10 years, (v) the Net Debt Proceeds from the
     incurrence of such Indebtedness are promptly paid as a Dividend to the
     Borrower and (vi) such Indebtedness is incurred on or before November 15,
     1999; and

           (xiii)  additional unsecured Indebtedness incurred by the Borrower
     and its Subsidiaries in an aggregate principal amount not to exceed
     $25,000,000 at any one time outstanding.

          9.05  Advances, Investments and Loans.  The Borrower will not, and
                -------------------------------
will not permit any of its Subsidiaries to, directly or indirectly, lend money
or credit or make advances to any Person, or purchase or acquire any stock,
obligations or securities of, or any other interest in,

                                      -71-
<PAGE>

or make any capital contribution to, any other Person, or purchase or own a
futures contract or otherwise become liable for the purchase or sale of currency
or other commodities at a future date in the nature of a futures contract, or
hold any cash or Cash Equivalents (each of the foregoing an "Investment" and,
collectively, "Investments"), except that the following shall be permitted:

           (i) the Borrower and its Subsidiaries may acquire and hold accounts
     receivables owing to any of them, if created or acquired in the ordinary
     course of business and payable or dischargeable in accordance with
     customary trade terms of the Borrower or such Subsidiary;

           (ii) the Borrower and its Subsidiaries may acquire and hold cash and
     Cash Equivalents;

           (iii)  the Borrower and its Subsidiaries may hold the Investments
     held by them on the Initial Borrowing Date and described on Schedule X,
     provided that any additional Investments made with respect thereto shall be
     permitted only if independently permitted under the other provisions of
     this Section 9.05;

           (iv) the Borrower and its Subsidiaries may acquire and own
     investments (including debt obligations) received in connection with the
     bankruptcy or reorganization of suppliers and customers and in good faith
     settlement of delinquent obligations of, and other disputes with, customers
     and suppliers arising in the ordinary course of business;

           (v) the Borrower and its Subsidiaries may make loans and advances in
     the ordinary course of business to their respective employees so long as
     the aggregate principal amount thereof at any time outstanding (determined
     without regard to any write-downs or write-offs of such loans and advances)
     shall not exceed $2,000,000;

           (vi) the Borrower may acquire and hold obligations of one or more
     officers or other employees of the Borrower or any of its Subsidiaries in
     connection with such officer's or employee's acquisition of shares of
     common stock of the Borrower so long as no cash is paid by the Borrower or
     any of its Subsidiaries to such officers or employees in connection with
     the acquisition of any such obligations;

           (vii)  the Borrower and its Subsidiaries may enter into Interest Rate
     Protection Agreements to the extent permitted by Section 9.04(iii);

           (viii)  the Borrower and its Subsidiaries may enter into Other
     Hedging Agreements to the extent permitted by Section 9.04(vii);

           (ix) the Borrower and its Subsidiaries may acquire and hold
     promissory notes and other non-cash consideration issued by the purchaser
     of assets in connection  with a sale of such assets to the extent permitted
     by Sections 9.02(v) and (vii);

                                      -72-
<PAGE>

           (x) the Borrower and its Subsidiaries may make advances to carriers
     for services contractually required to be made by such carriers so long as
     such advances are made in the ordinary course of business and are
     consistent with past practices;

           (xi) Permitted Acquisitions shall be permitted in accordance with the
     requirements of Section 8.19;

           (xii)  (A) the Borrower and the Subsidiary Guarantors may make
     intercompany loans between or among one another, (B) Wholly-Owned Foreign
     Subsidiaries may make intercompany loans (x) between or among one another
     and (y) to the Borrower or any Subsidiary Guarantor, and (C) the Borrower
     and the Subsidiary Guarantors may make intercompany loans to Wholly-Owned
     Foreign Subsidiaries (in the case of this clause (C)) for their working
     capital and general corporate purposes so long as the aggregate principal
     thereof does not exceed (I) $5,000,000 for the period from the Initial
     Borrowing Date through July 31, 1999, (II) $20,000,000 in each fiscal year
     of the Borrower thereafter and ending on or before July 31, 2001 or (III)
     $15,000,000 in any fiscal year of the Borrower thereafter;

           (xiii)  the Borrower may make cash common equity contributions to the
     capital of the Subsidiary Guarantors and the Subsidiary Guarantors may make
     cash common equity contributions to the capital of their respective
     Subsidiaries which are Subsidiary Guarantors;

           (xiv)  the Borrower and the Subsidiary Guarantors may make
     intercompany loans to Wholly-Owned Foreign Subsidiaries of the Borrower for
     the purpose of enabling such Wholly-Owned Foreign Subsidiaries to
     consummate a Permitted Acquisition in accordance with the requirements of
     Section 8.19;

           (xv) the Borrower and its Wholly-Owned Subsidiaries may make
     intercompany loans to their respective Wholly-Owned Subsidiaries for the
     purpose of enabling such Wholly-Owned Subsidiaries to make an Investment
     permitted by clauses (xvi) and (xvii) of this Section 9.05;

           (xvi) so long as no Default or Event of Default then exists or would
     result therefrom, the Borrower and its Subsidiaries may make Investments in
     Persons which will develop Fiber/Satellite Projects in which the Borrower
     (directly or indirectly) will have an ownership interest, so long as the
     aggregate amount of all Investments made pursuant to this clause (xvi),
     when added to the aggregate amount of all Capital Expenditures made
     pursuant to Section 9.07(f), does not exceed $75,000,000 (determined
     without regard to any write-downs or write-offs thereof); provided,
                                                               --------
     however, (A) in no event shall the aggregate amount of all Investments made
     -------
     pursuant to this clause (xvi) in Unrestricted Fiber Subsidiaries exceed
     $50,000,000 (determined without regard to any write-downs or write-offs
     thereof) and (B) in no event shall the aggregate amount of all Investments
     made pursuant to this clause (xvi) to purchase and/or setup satellites,
     when added to the aggregate amount of all Capital Expenditures made
     pursuant to Section 9.07(f) for such purposes, exceed $10,000,000
     (determined without regard to any

                                      -73-
<PAGE>

     writedowns or writeoffs thereof), regardless of whether such Investments
     are made in an Unrestricted Fiber Subsidiary or in any other Person; and

           (xvii)  so long as  no Default or Event of Default then exists or
     would result therefrom, the Borrower and its Subsidiaries may make
     additional Investments so long as the aggregate amount of all such
     Investments made pursuant to this clause (xvii) does not exceed $15,000,000
     in any fiscal year of the Borrower (or $4,000,000 in the case of the period
     from the Initial Borrowing Date through July 31, 1999) (in either case
     determined without regard to any write-downs or write-offs thereof),
     provided that if the amount of Investments permitted to be made pursuant to
     this clause (xvii) in any fiscal year of the Borrower (before giving effect
     to any increase in the permitted Investment amount pursuant to this
     proviso) is greater than the amount of such Investments actually made by
     the Borrower and its Subsidiaries during such fiscal year, 50% of such
     excess amount may be carried forward and utilized to make additional
     Investments in the immediately succeeding fiscal year of the Borrower.

          9.06  Transactions with Affiliates.  The Borrower will not, and will
                ----------------------------
 not permit any of its Subsidiaries to, enter into any transaction or series of
 related transactions, whether or not in the ordinary course of business, with
 any Affiliate of the Borrower or any of its Subsidiaries, other than on terms
 and conditions substantially as favorable to the Borrower or such Subsidiary as
 would reasonably be obtained by the Borrower or such Subsidiary at that time in
 a comparable arm's-length transaction with a Person other than an Affiliate,
 except that the following in any event shall be permitted:

          (i) Dividends may be paid to the extent provided in Section 9.03;

          (ii) loans may be made and other transactions may be entered into by
     the Borrower and its Subsidiaries to the extent permitted by Sections 9.02,
     9.04 and 9.05;

          (iii)  customary fees may be paid to non-officer directors of the
     Borrower and its Subsidiaries;

          (iv) the Borrower and its Subsidiaries may enter into, and may make
     payments under, employment agreements, employee benefits plans, stock
     option plans, indemnification provisions and other similar compensatory
     arrangements with officers, employees and directors of the Borrower and its
     Subsidiaries in the ordinary course of business;

          (v) the Borrower and its Subsidiaries may engage in any transaction
     among themselves to the extent otherwise expressly permitted under this
     Agreement;

          (vi) the Borrower and its Unrestricted Subsidiaries may enter into and
     perform their obligations under Unrestricted Subsidiary Tax Sharing
     Agreements;

          (vii)  the Borrower and Net2Phone may enter into, and perform their
     obligations under, an Internet/Telecommunications Agreement substantially
     in the form previously

                                      -74-
<PAGE>

     delivered to the Administrative Agent (as same may be modified or amended
     from time to time in a manner which is not adverse to the interests of the
     Borrower or the Lenders in any material respect); and

          (viii)  the Borrower and Net2Phone may enter into an assignment
     arrangement pursuant to which the Borrower shall assign to Net2Phone the
     right to one or  more patents and/or trademarks (or, in either case,
     applications therefor) which are used primarily in Net2Phone's business and
     are not otherwise material to the Borrower's and its Subsidiaries'
     respective businesses.

          9.07 Capital Expenditures.  (a)  The Borrower will not, and will not
               --------------------
permit any of its Subsidiaries to, make any Capital Expenditures, except that
(i) during the period from February 1, 1999 through July 31, 1999, the Borrower
and its Subsidiaries may make Capital Expenditures in an aggregate amount not to
exceed $45,000,000 and (ii) during any fiscal year of the Borrower set forth
below (taken as one accounting period), the Borrower and its Subsidiaries may
make Capital Expenditures so long as the aggregate amount of all Capital
Expenditures does not exceed in any fiscal year of the Borrower set forth below
the respective amount set forth opposite such fiscal year below:

          Fiscal Year Ending            Amount
          ------------------            ------

          July 31, 2000                 $100,000,000

          July 31, 2001                 $145,000,000

          July 31, 2002                 $130,000,000

          July 31, 2003                 $160,000,000

          July 31, 2004                 $ 80,000,000

          (b) In addition to the foregoing, in the event that the amount of
Capital Expenditures permitted to be made by the Borrower and its Subsidiaries
pursuant to clause (a) above in any fiscal year of the Borrower (before giving
effect to any increase in the permitted Capital Expenditure amount pursuant to
this clause (b)) is greater than the amount of such Capital Expenditures
actually made by the Borrower and its Subsidiaries during such fiscal year, 50%
of the remainder of (I) the applicable scheduled Capital Expenditure amount as
set forth in such clause (a) above for such fiscal year minus (II) the aggregate
amount of Capital Expenditures made pursuant to clause (a) above for such fiscal
year may be carried forward and utilized to make additional Capital Expenditures
in the immediately succeeding fiscal year of the Borrower, provided that no
amounts once carried forward pursuant to this Section 9.07(b) may be carried
forward to any fiscal year of the Borrower thereafter and such amounts may only
be utilized after the Borrower and its Subsidiaries have utilized in full the
permitted Capital Expenditure amount for such fiscal year as set forth in the
table in clause (a) above (without giving effect to any increase in such amount
by operation of this clause (b)).

                                      -75-
<PAGE>

          (c) In addition to the foregoing, the Borrower and its Subsidiaries
may make Capital Expenditures utilizing the Net Sale Proceeds received by the
Borrower or any of its Subsidiaries from any Asset Sale so long as such Net Sale
Proceeds are not otherwise required to be applied to repay outstanding Term
Loans pursuant to Section 4.02(e) or reduce the Total Revolving Loan Commitment
pursuant to Section 3.03(f), as the case may be.

          (d) In addition to the foregoing, the Borrower and its Subsidiaries
may make Capital Expenditures utilizing the Net Insurance Proceeds received by
the Borrower or any of its Subsidiaries from any Recovery Event so long as such
Net Insurance Proceeds are used to replace or restore any properties or assets
in respect of which such Net Insurance Proceeds were paid within 270 days
following the date of receipt of such Net Insurance Proceeds from such Recovery
Event and to the extent such Net Insurance Proceeds are not otherwise required
to be applied to repay outstanding Term Loans pursuant to Section 4.02(g) or
reduce the Total Revolving Loan Commitment pursuant to Section 3.03(f), as the
case may be.

          (e) In addition to the foregoing, the Borrower and its Wholly-Owned
Subsidiaries may consummate Permitted Acquisitions in accordance with the
requirements of Section 8.19.

          (f) In addition to the foregoing, the Borrower and its Subsidiaries
may make Capital Expenditures to develop Fiber/Satellite Projects, provided,
however, (A) that the aggregate amount of all Capital Expenditures made pursuant
to this Section 9.07(f), when added to the aggregate amount of all Investments
made pursuant to Section 9.05(xvi), shall not exceed $75,000,000, and (B) in no
event shall the aggregate amount of all Capital Expenditures made pursuant to
this Section 9.07(f) to purchase and/or setup satellites, when added to the
aggregate amount of all Investments made pursuant to Section 9.05(xvi) for such
purposes, exceed $10,000,000.

          9.08  Consolidated Interest Coverage Ratio.  The Borrower will not
                ------------------------------------
permit the Consolidated Interest Coverage Ratio for any Test Period to be less
than 3.00:1.00.

          9.09  Maximum Consolidated Leverage Ratio.  The Borrower will not
                -----------------------------------
permit the Consolidated Leverage Ratio at any time during a period set forth
below to exceed the respective ratio set forth opposite such below:


             Period                                     Ratio
             ------                                     -----

Initial Borrowing Date
through and including
 October 31, 1999                                     3.25:1.00

November 1, 1999 through
and including April 30, 2000                          3.00:1.00

May 1, 2000 through and

                                      -76-
<PAGE>

including October 31, 2000                            2.75:1.00

November 1, 2000 through
and including April 30, 2001                          2.50:1.00

May 1, 2001 through
and including July 31, 2001                           2.25:1.00

Thereafter                                            2.00:1.00


          9.10  Minimum Consolidated EBITDA.  The Borrower will not permit
                ---------------------------
Consolidated EBITDA for any fiscal quarter of the Borrower set forth below to be
less than the respective amount set forth opposite such fiscal quarter below:


   Fiscal Quarter Ending                            Amount
   ---------------------                            ------

April 30, 1999                                    $11,000,000

July 31, 1999                                     $12,000,000

October 31, 1999                                  $14,000,000

January 31, 2000                                  $16,600,000

April 30, 2000                                    $18,600,000

July 31, 2000                                     $20,600,000


          9.11  Limitations on Modifications of Certificate of Incorporation,
                -------------------------------------------------------------
By-Laws and Certain Other Agreements; etc.  The Borrower will not, and will not
- -----------------------------------------
permit any of its Subsidiaries to, (i) amend, modify or change its certificate
or articles of incorporation (including, without limitation, by the filing or
modification of any certificate or articles of designation) or by-laws (or the
equivalent organizational documents) or any agreement entered into by it with
respect to its capital stock, unless such amendment, modification, change or
other action contemplated by this clause (i) could not reasonably be expected to
be adverse to the interests of the Lenders in any material respect, (ii) amend,
modify or change any Tax Sharing Agreement in any manner which could reasonably
be expected to be adverse to the interests of the Borrower, its Subsidiaries or
the Lenders in any material respect or enter into any new tax sharing agreement,
tax allocation agreement or similar agreement without the prior written consent
of the Administrative Agent (including, in each case, any Unrestricted
Subsidiary Tax Sharing Agreement) or (iii) amend, modify or change any Operating
Agreement in a manner which, either individually or in the aggregate, could
reasonably be expected to have a Material Adverse Effect.

                                      -77-
<PAGE>

          9.12  Limitation on Certain Restrictions on Subsidiaries.  The
                --------------------------------------------------
Borrower will not, and will not permit any of its Subsidiaries to, directly or
indirectly, create or otherwise cause or suffer to exist or become effective any
encumbrance or restriction on the ability of any such Subsidiary to (a) pay
dividends or make any other distributions on its capital stock or any other
interest or participation in its profits owned by the Borrower or any Subsidiary
of the Borrower, or pay any Indebtedness owed to the Borrower or any Subsidiary
of the Borrower, (b) make loans or advances to the Borrower or any Subsidiary of
the Borrower or (c) transfer any of its properties or assets to the Borrower or
any Subsidiary of the Borrower, except for such encumbrances or restrictions
existing under or by reason of (i) applicable law, (ii) this Agreement and the
other Credit Documents, (iii) customary non-assignment, subletting or
restriction on transfer or net worth provisions of any contract, license or
lease governing a leasehold interest of any Subsidiary of the Borrower, (iv) any
instrument governing Indebtedness described in Section 9.04(ix), which
restriction is not applicable to any Person, or the property or assets of any
Person, other than the Person or the properties or assets acquired pursuant to
any such Permitted Acquisition, (v) agreements existing on the Initial Borrowing
Date to the extent and in the manner such agreements are in effect on the
Initial Borrowing Date, (vi) any agreement for the sale or disposition of
capital stock or assets of any Subsidiary of the Borrower, provided that such
                                                           --------
encumbrances and restrictions are only applicable to such Subsidiary or assets,
as applicable, and any such sale or disposition is made in compliance with
Section 9.02, and (vii) restrictions on the transfer of any asset subject to a
Lien permitted by Section 9.01(iii), (vi), (vii), (xv) or (xvi).

          9.13  Limitation on Issuance of Capital Stock.  (a)  The Borrower will
                ---------------------------------------
not, and will not permit any of its Subsidiaries to, issue (i) any preferred
stock (other than Qualified Preferred Stock of the Borrower) or (ii) any
redeemable common stock (other than common stock that is redeemable at the sole
option of the Borrower or such Subsidiary).

          (b) The Borrower will not permit any of its Subsidiaries to issue any
capital stock (including by way of sales of treasury stock) or any options or
warrants to purchase, or securities convertible into, capital stock, except (i)
for transfers and replacements of then outstanding shares of capital stock, (ii)
for stock splits, stock dividends and issuances which do not decrease the
percentage ownership of the Borrower or any of its Subsidiaries in any class of
the capital stock of such Subsidiary, (iii) to qualify directors to the extent
required by applicable law, (iv) for issuances to the Borrower or a Wholly-Owned
Subsidiary thereof and (v) for issuances by newly created or acquired
Subsidiaries in accordance with the terms of this Agreement.

          9.14  Business; etc.  (a)  The Borrower and its Subsidiaries will not
                -------------
engage in any businesses other than the businesses engaged in by the Borrower
and its Subsidiaries as of the Initial Borrowing Date and reasonable extensions
thereof and other businesses that are complimentary or reasonably related
thereto.  Notwithstanding the foregoing, the Borrower will not permit any
Unrestricted Fiber Subsidiary to engage in any material business other than with
respect to developing and operating Fiber/Satellite Projects.

                                      -78-
<PAGE>

          (b) Notwithstanding anything to the contrary contained in this
Agreement, (i) the Borrower will not permit any Inactive Subsidiary to engage in
any business activities or to have any material assets or liabilities and (ii)
the Borrower will not, and will not permit any of its Subsidiaries to, transfer
any assets to, or make any Investment in, any Inactive Subsidiary except for de
                                                                             --
minimis amounts of cash invested in accordance with the terms of this Agreement
- -------
which is necessary to pay for various expenses that may be incurred in
connection with any liquidation or dissolution of each such Inactive Subsidiary
in accordance with the terms of this Agreement or to maintain their corporate or
limited liability company existence, as the case may be; provided, however, that
                                                         --------  -------
the provisions of this Section 9.14(b) shall cease to apply as to any Inactive
Subsidiary which has become a Credit Party pursuant to the requirements of
Section 8.17(h).

          (c) Notwithstanding anything to the contrary contained in this
Agreement, (i) the Borrower will not permit 225 Old NB Road to engage in any
business activities other than to own the Real Property on which the Piscataway
Facility is located and to lease out space located thereon, provided to the
extent that any portion of the Piscataway Facility is leased to the Borrower or
a Subsidiary thereof, the lease payments to be made by the Borrower or such
Subsidiary shall be no greater than fair market value (as determined in good
faith by the Borrower), (ii) the Borrower will not permit 225 Old NB Road to own
any material assets other than the Real Property and leases described in
preceding clause (i), (iii) the Borrower will not permit 225 Old NB Road to
incur any material liabilities other than those under the Credit Documents to
which it is a party, Indebtedness under Section 9.04(xii) and intercompany
obligations owed to the Borrower to the extent permitted by this Agreement (as
modified by this Section 9.14(c)), and (iv) from and after the time that 225 Old
NB Road incurs Indebtedness under (and as permitted by) Section 9.04(xii), (A)
no Investments or other transfer of assets may be made by the Borrower or any
other Subsidiary thereof in or to 225 Old NB Road other than pursuant to (and as
permitted by) Section 9.05(xvii), (B) neither the Borrower nor any other
Subsidiary thereof may guaranty any obligations or liabilities of 225 Old NB
Road, provided that the holder of the mortgage financing referred to in Section
9.04(xii) may have limited recourse (on an unsecured basis) to the Borrower for
losses arising out of such customary matters as fraud, intentional misconduct,
intentional misrepresentation, representations and warranties as to real estate
matters, environmental liabilities and other customary matters in a non-recourse
mortgage financing transaction, and (C) in the event that the holder of such
mortgage financing does not permit 225 Old NB Road to guaranty the Obligations
of the Borrower pursuant to the Subsidiaries Guaranty, 225 Old NB Road shall be
released from its obligations under the Subsidiaries Guaranty, the Pledge
Agreement and the Security Agreement and the Administrative Agent and the
Collateral Agent are hereby authorized to (and they agree that they will) enter
into appropriate release documents in connection therewith.

          9.15  Limitation on Creation of Subsidiaries.  (a)  Notwithstanding
                --------------------------------------
anything to the contrary contained in this Agreement, the Borrower will not, and
will not permit any of its Subsidiaries to, establish, create or acquire after
the Initial Borrowing Date any Subsidiary, provided that the Borrower and its
                                           --------
Wholly-Owned Subsidiaries shall be permitted to establish, create or, to the
extent permitted by the Agreement, acquire (x) Wholly-Owned Subsidiaries so long
as (i) the capital stock or other equity interests of each such new Wholly-Owned
Subsidiary (to the extent owned by a Credit Party) is pledged pursuant to, and
to the extent required by, the Pledge

                                      -79-
<PAGE>

Agreement, (ii) each such new Wholly-Owned Subsidiary (other than a Foreign
Subsidiary, except to the extent required by Section 8.18) executes a
counterpart to the Subsidiaries Guaranty, the Security Agreement and the Pledge
Agreement, and (iii) each such new Wholly-Owned Subsidiary (other than a Foreign
Subsidiary, except to the extent required by Section 8.18) executes and
delivers, or causes to be executed and delivered, all other relevant
documentation of the type described in Section 5 as such new Wholly-Owned
Subsidiary would have had to deliver if such new Wholly-Owned Subsidiary were a
Credit Party on the Initial Borrowing Date and (y) non-Wholly-Owned Subsidiaries
so long as the capital stock or other equity interest of each such new non-
Wholly-Owned Subsidiary (to the extent owned by a Credit Party) is pledged
pursuant to, and to the extent required by, the Pledge Agreement.

          (b) Notwithstanding anything to the contrary contained in this
Agreement, the Borrower will not, and will not permit any of its Subsidiaries
to, establish, create or acquire after the Initial Borrowing Date any
Unrestricted Subsidiary, except that any Wholly-Owned Subsidiary of the Borrower
referenced in the following clause (z) may establish, create or acquire
Unrestricted Fiber Subsidiaries solely in connection with Investments permitted
by Section 9.05(xvi) from time to time, in each case so long as (w) no Default
or Event of Default exists at the time of the establishment, creation or
acquisition of the respective Unrestricted Fiber Subsidiary or shall exist
immediately after giving effect thereto, (x) all Investments therein (including
as a result of the designation thereof as provided in the definition of
Unrestricted Subsidiary) are permitted pursuant to Section 9.05(xvi) or (xvii),
(y) all equity interests in each Unrestricted Fiber Subsidiary are owned
directly by a Wholly-Owned Subsidiary of the Borrower which engages in no
business or activities other than the holding of ownership interests in one or
more Unrestricted Fiber Subsidiaries and all equity interests therein are
pledged pursuant to (and to the extent required by) the Pledge Agreement to the
extent that such equity interests are owned by a Credit Party and (z) each such
Unrestricted Fiber Subsidiary (to the extent that it is included in the
Borrower's consolidated tax group for Federal income tax purposes) enters into,
or becomes a party to, an Unrestricted Subsidiary Tax Sharing Agreement on terms
and conditions reasonably satisfactory to the Administrative Agent.

          9.16  FCC Licenses and Governmental Authorizations.  The Borrower will
                --------------------------------------------
not, and will not permit any of its Subsidiaries to, sell, transfer, lease or
otherwise dispose of any FCC License or other Governmental Authorization, except
between or among the Borrower and its Wholly-Owned Subsidiaries in a manner
permitted by this Agreement.

          SECTION 10.  Events of Default.  Upon the occurrence of any of the
                       -----------------
following specified events (each an "Event of Default"):

          10.01  Payments.  The Borrower shall (i) default in the payment when
                 --------
due of any principal of any Loan or any Note or (ii) default, and such default
shall continue unremedied for three or more Business Days, in the payment when
due of any interest on any Loan or Note, any Unpaid Drawing (or any interest
thereon) or any Fees or any other amounts owing hereunder or thereunder; or

                                      -80-
<PAGE>

          10.02  Representations, etc.  Any representation, warranty or
                 ---------------------
statement made or deemed made by any Credit Party herein or in any other Credit
Document or in any certificate delivered to any Agent or any Lender pursuant
hereto or thereto shall prove to be untrue in any material respect on the date
as of which made or deemed made; or

          10.03  Covenants.  Any Credit Party shall (i) default in the due
                 ---------
performance or observance by it of any term, covenant or agreement contained in
Section 8.01(g)(i), 8.08, 8.13, 8.19 or 8.20 or Section 9 or (ii) default in the
due performance or observance by it of any other term, covenant or agreement
contained in this Agreement or any other Credit Document (other than those set
forth in Sections 10.01 and 10.02) and such default shall continue unremedied
for a period of 30 days after written notice thereof to the defaulting party by
the Administrative Agent or the Required Lenders; or

          10.04  Default Under Other Agreements.  (i)  The Borrower or any of
                 ------------------------------
its Subsidiaries shall (x) default in any payment of any Indebtedness (other
than the Obligations) beyond the period of grace, if any, provided in the
instrument or agreement under which such Indebtedness was created or (y) default
in the observance or performance of any agreement or condition relating to any
Indebtedness (other than the Obligations) or contained in any instrument or
agreement evidencing, securing or relating thereto, or any other event shall
occur or condition exist, the effect of which default or other event or
condition is to cause, or to permit the holder or holders of such Indebtedness
(or a trustee or agent on behalf of such holder or holders) to cause (determined
without regard to whether any notice is required), any such Indebtedness to
become due prior to its stated maturity, or (ii) any Indebtedness (other than
the Obligations) of the Borrower or any of its Subsidiaries shall be declared to
be (or shall become) due and payable, or required to be prepaid other than by a
regularly scheduled required prepayment, prior to the stated maturity thereof,

provided that it shall not be a Default or an Event of Default under this
- --------
Section 10.04 unless the aggregate principal amount of all Indebtedness as
described in preceding clauses (i) and (ii) is at least $2,000,000; or

          10.05  Bankruptcy, etc.  The Borrower or any of its Subsidiaries shall
                 ----------------
commence a voluntary case concerning itself under Title 11 of the United States
Code entitled "Bankruptcy," as now or hereafter in effect, or any successor
thereto (the "Bankruptcy Code"); or an involuntary case is commenced against the
Borrower or any of its Subsidiaries, and the petition is not controverted within
10 days, or is not dismissed within 60 days, after commencement of the case; or
a custodian (as defined in the Bankruptcy Code) is appointed for, or takes
charge of, all or substantially all of the property of the Borrower or any of
its Subsidiaries, or the Borrower or any of its Subsidiaries commences any other
proceeding under any reorganization, arrangement, adjustment of debt, relief of
debtors, dissolution, insolvency or liquidation or similar law of any
jurisdiction whether now or hereafter in effect relating to the Borrower or any
of its Subsidiaries, or there is commenced against the Borrower or any of its
Subsidiaries any such proceeding which remains undismissed for a period of 60
days, or the Borrower or any of its Subsidiaries is adjudicated insolvent or
bankrupt; or any order of relief or other order approving any such case or
proceeding is entered; or the Borrower or any of its Subsidiaries suffers any
appointment of any custodian or the like for it or any substantial part of its
property to continue undischarged or unstayed for a period of 60 days; or the
Borrower or any

                                      -81-
<PAGE>

of its Subsidiaries makes a general assignment for the benefit of creditors; or
any corporate action is taken by the Borrower or any of its Subsidiaries for the
purpose of effecting any of the foregoing; or

          10.06  ERISA.  (a)  Any Plan shall fail to satisfy the minimum funding
                 -----
standard required for any plan year or part thereof under Section 412 of the
Code or Section 302 of ERISA or a waiver of such standard or extension of any
amortization period is sought or granted under Section 412 of the Code or
Section 303 or 304 of ERISA, a Reportable Event shall have occurred, a
contributing sponsor (as defined in Section 4001(a)(13) of ERISA) of a Plan
subject to Title IV of ERISA shall be subject to the advance reporting
requirement of PBGC Regulation Section 4043.61 (without regard to subparagraph
(b)(1) thereof) and an event described in subsection .62, .63, .64, .65, .66,
 .67 or .68 of PBGC Regulation Section 4043 shall be reasonably expected to occur
with respect to such Plan within the following 30 days, any Plan which is
subject to Title IV of ERISA shall have had or is likely to have a trustee
appointed to administer such Plan, any Plan which is subject to Title IV of
ERISA is, shall have been or is likely to be terminated or to be the subject of
termination proceedings under ERISA, any Plan shall have an Unfunded Current
Liability, a contribution required to be made with respect to a Plan or a
Foreign Pension Plan has not been timely made, the Borrower or any Subsidiary of
the Borrower or any ERISA Affiliate has incurred or is likely to incur any
liability to or on account of a Plan under Section 409, 502(i), 502(l), 515,
4062, 4063, 4064, 4069, 4201, 4204 or 4212 of ERISA or Section 401(a)(29), 4971
or 4975 of the Code or on account of a group health plan (as defined in Section
607(1) of ERISA or Section 4980B(g)(2) of the Code) under Section 4980B of the
Code, or the Borrower or any Subsidiary of the Borrower has incurred or is
likely to incur liabilities pursuant to one or more employee welfare benefit
plans (as defined in Section 3(1) of ERISA) that provide benefits to retired
employees or other former employees (other than as required by Section 601 of
ERISA) or Plans or Foreign Pension Plans a "default," within the meaning of
Section 4219(c)(5) of ERISA, shall occur with respect to any Plan; any
applicable law, rule or regulation is adopted, changed or interpreted, or the
interpretation or administration thereof is changed, in each case after the date
hereof, by any governmental authority or agency or by any court (a "Change in
Law"), or, as a result of a Change in Law, an event occurs following a Change in
Law, with respect to or otherwise affecting any Plan; (b) there shall result
from any such event or events the imposition of a lien, the granting of a
security interest, or a liability or a material risk of incurring a liability;
and (c) such lien, security interest or liability, either individually and/or in
the aggregate, has had, or could reasonably be expected to have, a Material
Adverse Effect; or

          10.07  Security Documents.  Any Security Document shall cease to be in
                 ------------------
full force and effect, or shall cease to give the Collateral Agent the Liens,
rights, powers and privileges purported to be created thereby (including,
without limitation, a perfected security interest in, and Lien on, all of the
Collateral in favor of the Collateral Agent, superior to and prior to the rights
of all third Persons (except as permitted by Section 9.01), and subject to no
other Liens (except as permitted by Section 9.01)) or any Credit Party shall
default in the due performance or observance of any term, covenant or agreement
on its part to be performed or observed pursuant to any such Security Document
and such default shall continue beyond the

                                      -82-
<PAGE>

period of grace, if any, specifically applicable thereto pursuant to the terms
of such Security Document; or

          10.08  Subsidiaries Guaranty.  The Subsidiaries Guaranty or any
                 ---------------------
provision thereof shall cease to be in full force or effect as to any Subsidiary
Guarantor, or any Subsidiary Guarantor or any Person acting by or on behalf of
such Subsidiary Guarantor shall deny or disaffirm such Subsidiary Guarantor's
obligations under the Subsidiaries Guaranty or such Subsidiary Guarantor shall
default in the due performance or observance of any term, covenant or agreement
on its part to be performed or observed pursuant to the Subsidiaries Guaranty;
or

          10.09  Judgments.  One or more judgments or decrees shall be entered
                 ---------
against the Borrower or any Subsidiary of the Borrower involving in the
aggregate for the Borrower and its Subsidiaries a liability (not paid or fully
covered by a reputable and solvent insurance company) and such judgments and
decrees either shall be final and non-appealable or shall not be vacated,
discharged or stayed or bonded pending appeal for any period of 30 consecutive
days, and the aggregate amount of all such judgments equals or exceeds
$2,000,000; or

          10.10  Change of Control.  A Change of Control shall occur;  or
                 -----------------

          10.11  Failure to Comply with the Communications Act.  The Borrower or
                 ---------------------------------------------
any of its Subsidiaries shall fail to comply in any respect with the
Communications Act, or any rule or regulation promulgated by the FCC, and such
failure has, or could reasonably be expected to have, a Material Adverse Effect;
or

          10.12  Licenses.  Any of the FCC Licenses or other Governmental
                 --------
Authorizations is (a) revoked, rescinded, suspended, modified in an adverse
manner or not renewed in the ordinary course for a full term or (b) subject to
any decision by the FCC or other governmental entity which could reasonably be
expected to result in the FCC or other governmental entity taking any action
referred to in immediately preceding clause (a) and such decision, revocation,
rescission, suspension or modification could reasonably be expected to (i)
result in a Material Adverse Effect or (ii) materially and adversely affect the
legal or character qualification of the Borrower or any of its Subsidiaries to
hold any FCC License or other Governmental Authorization; or

          10.13  Operating Agreements.  Any Operating Agreement (whether now
                 --------------------
existing or hereafter entered into) shall terminate or any material provision
thereof shall cease to be in full force and effect or the Borrower or any of its
Subsidiaries shall default in a due performance or observance by it of any term,
covenant or condition required to be performed by it after the expiration of any
applicable cure and grace periods, and the result of any of the foregoing could
reasonably be expected to have a Material Adverse Effect; or

          10.14  Unrestricted Subsidiary Tax Payments.  Any Unrestricted
                 ------------------------------------
Subsidiary shall not pay any amounts owing by it under any Unrestricted
Subsidiary Tax Sharing Agreement to which it is a party and such failure shall
continue unremedied for 30 or more days;

                                      -83-
<PAGE>

then, and in any such event, and at any time thereafter, if any Event of Default
shall then be continuing, the Administrative Agent, upon the written request of
the Required Lenders, shall by written notice to the Borrower, take any or all
of the following actions, without prejudice to the rights of the Administrative
Agent, any Lender or the holder of any Note to enforce its claims against any
Credit Party (provided, that, if an Event of Default specified in Section 10.05
              --------
shall occur with respect to the Borrower, the result which would occur upon the
giving of written notice by the Administrative Agent as specified in clauses (i)
and (ii) below shall occur automatically without the giving of any such notice):
(i) declare the Total Commitment terminated, whereupon the Commitments of each
Lender shall forthwith terminate immediately and any accrued and unpaid
Commitment Commission shall forthwith become due and payable without any other
notice of any kind; (ii) declare the principal of and any accrued interest in
respect of all Loans and the Notes and all Obligations owing hereunder and
thereunder to be, whereupon the same shall become, forthwith due and payable
without presentment, demand, protest or other notice of any kind, all of which
are hereby waived by the Borrower; (iii) terminate any Letter of Credit which
may be terminated in accordance with its terms; (iv) direct the Borrower to pay
(and the Borrower agrees that upon receipt of such notice, or upon the
occurrence of an Event of Default specified in Section 10.05 with respect to the
Borrower, it will pay) to the Collateral Agent at the Payment Office such
additional amount of cash and/or Cash Equivalents, to be held as security by the
Collateral Agent, as is equal to the aggregate Stated Amount of all Letters of
Credit issued for the account of the Borrower and then outstanding; (v) enforce,
as Collateral Agent, all Liens, rights and remedies created pursuant to the
Security Documents; and (vi) apply any cash collateral held by the
Administrative Agent pursuant to Section 4.02 to the repayment of the
Obligations.

          SECTION 11.  Definitions and Accounting Terms.
                       --------------------------------

          11.01  Defined Terms.  As used in this Agreement, the following terms
                 -------------
shall have the following meanings (such meanings to be equally applicable to
both the singular and plural forms of the terms defined):

          "Additional Security Documents" shall have the meaning provided in
Section 8.17(a).

          "Adjusted Consolidated Net Income" shall mean, for any period,
Consolidated Net Income for such period plus, without duplication, the sum of
the amount of all net non-cash charges (including, without limitation,
depreciation, amortization, deferred tax expense and non-cash interest expense)
and net non-cash losses which were included in arriving at Consolidated Net
Income for such period, less the amount of all net non-cash gains and non-cash
credits which were included in arriving at Consolidated Net Income for such
period.

          "Adjusted Consolidated Working Capital" shall mean, at any time,
Consolidated Current Assets (but excluding therefrom all cash and Cash
Equivalents) less Consolidated Current Liabilities at such time.

                                      -84-
<PAGE>

          "Administrative Agent" shall mean BTCo, in its capacity as
Administrative Agent for the Lenders hereunder, and shall include any successor
to the Administrative Agent appointed pursuant to Section 12.09.

          "Affiliate" shall mean, with respect to any Person, any other Person
directly or indirectly controlling (including, but not limited to, all directors
and officers of such Person), controlled by, or under direct or indirect common
control with, such Person.  A Person shall be deemed to control another Person
if such Person possesses, directly or indirectly, the power (i) to vote 10% or
more of the securities having ordinary voting power for the election of
directors of such corporation or (ii) to direct or cause the direction of the
management and policies of such other Person, whether through the ownership of
voting securities, by contract or otherwise.

          "Agent" shall mean and include the Administrative Agent, the
Syndication Agent and the Documentation Agent.

          "Aggregate Unutilized Commitment" of any Lender at any time shall mean
the sum of such Lender's Unutilized Revolving Loan Commitment, Initial Multiple
Draw A Term Loan Commitment and Incremental Multiple Draw A Term Loan Commitment
at such time.

          "Agreement" shall mean this Credit Agreement, as modified,
supplemented, amended, restated (including any amendment and restatement
hereof), extended, renewed, refinanced or replaced from time to time.

          "Applicable Commitment Commission Percentage" shall mean a percentage
per annum equal to (i) at all times when the Total Multiple Draw A/Revolver
Outstandings is less than 33-1/3% of the Total Multiple Draw A/Revolver
Committed Amount, 1%, (ii) at all times when the Total Multiple Draw A/Revolver
Outstandings is equal to or greater than 33-1/3% and less than 66-2/3% of the
Total Multiple Draw A/Revolver Committed Amount,  3/4 of 1%, and (iii) at all
times when the Total Multiple Draw A/Revolver Outstandings is equal to or
greater than 66-2/3% of the Total Multiple Draw A/Revolver Committed Amount,
1/2 of 1%.

          "Applicable Margin" shall mean: (a) with respect to Multiple Draw A
Term Loans, Revolving Loans and Swingline Loans, from and after any Start Date
to and including the corresponding End Date, the respective percentage per annum
set forth below under the respective Type of Multiple Draw A Term Loans,
Revolving Loans or Swingline Loans and opposite the respective Level (i.e.,
                                                                      ----
Level 1, Level 2, Level 3, Level 4, Level 5, Level 6 or Level 7, as the case may
be) indicated to have been achieved on the applicable Test Date for such Start
Date (as shown on the respective officer's certificate delivered pursuant to
Section 8.01(f) or the first proviso below):


<TABLE>
     <S>             <C>                          <C>                                    <C>
                                                           Multiple Draw A Term
                                                          Loans, Revolving Loans            Multiple Draw A Term Loans
                                                           and Swingline Loans                 and Revolving Loans
                             Consolidated                     maintained as                       maintained as
        Level               Leverage Ratio                   Base Rate Loans                     Eurodollar Loans
        -----               --------------                   ---------------                     ----------------
</TABLE>

                                      -85-
<PAGE>

<TABLE>

      <C>               <S>                               <C>                                   <C>

        1                 Less than 1.00:1.00                  0.50%                              1.50%
        2                 Greater than or equal                0.75%                              1.75%
                          to 1.00:1.00
                          but less than 1.50:1.00
        3                 Greater than or equal                1.00%                              2.00%
                          to 1.50:1.00
                          but less than 1.75:1.00
        4                 Greater than or equal                1.25%                              2.25%
                          to 1.75:1.00
                          but less than 2.00:1.00
        5                 Greater than or equal                1.50%                              2.50%
                          to 2.00:1.00
                          but less than 2.25:1.00
        6                 Greater than or equal                1.75%                              2.75%
                          to 2.25:1.00 but less
                          than 2.50:1.00
        7                 Greater than or equal                2.00%                              3.00%
                          to 2.50:1.00
</TABLE>

; provided, however, that if the Borrower fails to deliver the financial
  --------  -------
statements required to be delivered pursuant to Section 8.01(b) or (c)
(accompanied by the officer's certificate required to be delivered pursuant to
Section 8.01(f) showing the applicable Consolidated Leverage Ratio on the
relevant Test Date) on or prior to the respective date required by such
Sections, then Level 7 pricing shall apply until such time, if any, as the
financial statements required as set forth above and the accompanying officer's
certificate have been delivered showing the pricing for the respective Margin
Reduction Period is at a level which is less than Level 7 (it being understood
that, in the case of any late delivery of the financial statements and officer's
certificate as so required, the Applicable Margin, if any, shall apply only from
and after the date of the delivery of the complying financial statements and
officer's certificate); provided further, that Level 7 pricing shall apply at
                        ----------------
any time when any Default under Section 10.01 is in existence or any Event of
Default is in existence.  Notwithstanding anything to the contrary contained in
the immediately preceding sentence, Level 7 pricing shall apply for the period
from the Initial

                                      -86-
<PAGE>

Borrowing Date to but not including the date which is the first Start Date after
the Borrower's fiscal quarter ending on October 31, 1999; and

          (b) with respect to B Term Loans maintained as (i) Base Rate Loans, a
percentage per annum equal to 2.50%, and (ii) Eurodollar Loans, a percentage per
annum equal to 3.50%.

          "Asset Sale" shall mean any sale, transfer or other disposition by the
Borrower or any of its Subsidiaries to any Person (including by-way-of
redemption by such Person) other than to the Borrower or a Wholly-Owned
Subsidiary of the Borrower of any asset (including, without limitation, any
capital stock or other securities of, or equity interests in, another Person)
other than sales of assets pursuant to Sections 9.02(ii), (iii), (iv) and (xi).

          "Assignment and Assumption Agreement" shall mean an Assignment and
Assumption Agreement substantially in the form of Exhibit M (appropriately
completed).

          "B Lender" shall have the meaning provided in Section 4.02(j).

          "B Term Loan" shall mean, collectively, each Initial B Term Loan and
each Incremental B Term Loan.

          "B Term Loan Commitment" shall mean, for each Lender, such Lender's
Initial B Term Loan Commitment or Incremental B Term Loan Commitment, as the
case may be.

          "B Term Loan Maturity Date" shall mean May 10, 2004, provided that the
B Term Loan Maturity Date shall automatically be shortened to May 9, 2000 in the
event that the Borrower and/or the applicable Subsidiary Guarantor has not
obtained all of the Required Approvals and delivered evidence of same to the
Administrative Agent by March 31, 2000 (unless the Borrower has delivered an
opinion of counsel, in form and substance (and from FCC counsel) acceptable to
the Administrative Agent, to the effect that one or more of such Required
Approvals are no longer necessary).

          "B Term Loan Percentage" shall mean, at any time, a fraction
(expressed as a percentage) the numerator of which is equal to the aggregate
principal amount of all B Term Loans outstanding at such time and the
denominator of which is equal to the aggregate principal amount of all Term
Loans outstanding at such time.

          "B Term Loan Scheduled Repayment" shall have the meaning provided in
Section 4.02(b)(ii).

          "B Term Note" shall have the meaning provided in Section 1.05(a).

          "Bankruptcy Code" shall have the meaning provided in Section 10.05.

          "Base Rate" shall mean, at any time, the higher of (i) the Prime
Lending Rate and (ii) 1/2 of 1% in excess of the Federal Funds Rate at such
time.

                                      -87-
<PAGE>

          "Base Rate Loan" shall mean (i) each Swingline Loan and (ii) each
other Loan  designated or deemed designated as such by the Borrower at the time
of the incurrence thereof or conversion thereto.

          "Borrower" shall have the meaning provided in the first paragraph of
this Agreement.

          "Borrowing" shall mean the borrowing of one Type of Loan of a single
Tranche from all the Lenders having Commitments of the respective Tranche (or
from the Swingline Lender in the case of Swingline Loans) on a given date (or
resulting from a conversion or conversions on such date) having in the case of
Eurodollar Loans the same Interest Period, provided that (i) Base Rate Loans
                                           --------
incurred pursuant to Section 1.10(b) shall be considered part of the related
Borrowing of Eurodollar Loans and (ii) any Incremental Multiple Draw A Term
Loans or Incremental B Term Loans incurred pursuant to Section 1.01(c) or (d),
as the case may be, shall be considered part of the Borrowing of the then
outstanding Multiple Draw A Term Loans or B Term Loans to which such Incremental
Multiple Draw A Term Loans or B Term Loans, as the case may be, are added to
pursuant to Section 1.14(c).

          "BTCo" shall mean Bankers Trust Company, in its individual capacity,
and any successor corporation thereto by merger, consolidation or otherwise.

          "Business Day" shall mean (i) for all purposes other than as covered
by clause (ii) below, any day except Saturday, Sunday and any day which shall be
in New York City, New York, a legal holiday or a day on which banking
institutions are authorized or required by law or other government action to
close and (ii) with respect to all notices and determinations in connection
with, and payments of principal and interest on, Eurodollar Loans, any day which
is a Business Day described in clause (i) above and which is also a day for
trading by and between banks in the New York interbank Eurodollar market.

          "Calculation Period" shall have the meaning provided in Section
8.19(a).

          "Capital Expenditures" shall mean, with respect to any Person, all
expenditures by such Person which should be capitalized in accordance with
generally accepted accounting principles, and, without duplication, the amount
of all Capitalized Lease Obligations incurred by such Person.

          "Capitalized Lease Obligations" shall mean, with respect to any
Person, all rental obligations of such Person which, under generally accepted
accounting principles, are or will be required to be capitalized on the books of
such Person, in each case taken at the amount thereof accounted for as
indebtedness in accordance with such principles.

          "Cash Equivalents" shall mean, as to any Person, (i) securities issued
or directly and fully guaranteed or insured by the United States or any agency
or instrumentality thereof (provided that the full faith and credit of the
                            --------
United States is pledged in support thereof) having maturities of not more than
one year from the date of acquisition, (ii) time deposits, Eurodollar deposits,
certificates of deposit or bankers' acceptances of any commercial bank organized
under

                                      -88-
<PAGE>

the laws of the United States or any state thereof or the District of Columbia
or any U.S. branch of a foreign bank having at the date of acquisition thereof
combined capital and surplus of not less than $250,000,000, in each case with
maturities of not more than one year from the date of acquisition by such
Person, (iii) repurchase obligations with a term of not more than seven days for
underlying securities of the types described in clause (i) above entered into
with any bank meeting the qualifications specified in clause (ii) above, (iv)
commercial paper issued by any Person incorporated in the United States rated at
least A-1 or the equivalent thereof by Standard & Poor's Ratings Services or at
least P-1 or the equivalent thereof by Moody's Investors Service, Inc. and in
each case maturing not more than one year after the date of acquisition by such
Person, (v) marketable direct obligations issued by the District of Columbia or
any State of the United States or any political subdivision of any such State or
any public instrumentality thereof maturing within one year from the date of
acquisition and, at the time of acquisition, having one of the two highest
ratings obtainable from either Standard & Poor's Ratings Services or Moody's
Investors Service, Inc., (vi) investments in money market funds substantially
all of whose assets are comprised of securities of the types described in
clauses (i) through (v) above, and (vii) in the case of any Foreign Subsidiary,
(A) direct obligations of the sovereign nation (or any agency thereof) in which
such Foreign Subsidiary is organized or is conducting business or in obligations
fully and unconditionally guaranteed by such sovereign nation (or any agency
thereof) having maturities of not more than one year from the date of
acquisition or (B) of the type and maturity described in clauses (ii), (iii) or
(iv) above of foreign obligors, which obligations or obligors (or the parents of
such obligors) have ratings described in such clauses or equivalent ratings from
comparable foreign rating agencies.

          "CERCLA" shall mean the Comprehensive Environmental Response,
Compensation, and Liability Act of 1980, as the same may be amended from time to
time, 42 U.S.C. (S) 9601 et seq.
                         -- ----

          "Change of Control" shall mean (i) any Person or "group" (within the
meaning of Sections 13(d) and 14(d) under the Securities Exchange Act, as in
effect on the Initial Borrowing Date), other than a Permitted Holder, shall have
(A) acquired beneficial ownership of 25% or more on a fully diluted basis of the
voting and/or economic interest in the Borrower's capital stock or (B) obtained
the power (whether or not exercised) to elect a majority of the Borrower's
directors or (ii) the Board of Directors of the Borrower shall cease to consist
of a majority of Continuing Directors.

          "Change of Law" shall have the meaning provided in Section 10.06.

          "Code" shall mean the Internal Revenue Code of 1986, as amended from
time to time, and the regulations promulgated and rulings issued thereunder.
Section references to the Code are to the Code, as in effect on the Initial
Borrowing Date and any subsequent provisions of the Code, amendatory thereof,
supplemental thereto or substituted therefor.

          "Collateral" shall mean all property (whether real or personal) with
respect to which any security interests have been granted (or purported to be
granted) pursuant to any Security Documents, including, without limitation, all
Pledge Agreement Collateral, all Security

                                      -89-
<PAGE>

Agreement Collateral, all Mortgaged Properties and all cash and Cash Equivalents
delivered as Collateral pursuant to Section 4.02 or 10.

          "Collateral Agent" shall mean the Administrative Agent acting as
collateral agent for the Secured Creditors pursuant to the Security Documents.

          "Collective Bargaining Agreements" shall have the meaning provided in
Section 5.14.

          "Commitment" shall mean any of the commitments of any Lender, i.e.,
                                                                        ----
whether the Initial Multiple Draw A Term Loan Commitment, the Initial B Term
Loan Commitment, the Incremental Multiple Draw A Term Loan Commitment, the
Incremental B Term Loan Commitment or the Revolving Loan Commitment.

          "Commitment Commission" shall have the meaning set forth in Section
3.01(a).

          "Communications Act" shall have the meaning provided in Section 7.23.

          "Consolidated Current Assets" shall mean, at any time, the
consolidated current assets of the Borrower and its Subsidiaries at such time.

          "Consolidated Current Liabilities" shall mean, at any time, the
consolidated current liabilities of the Borrower and its Subsidiaries at such
time, but excluding the current portion of any Indebtedness under this Agreement
and the current portion of any other long-term Indebtedness which would
otherwise be included therein.

          "Consolidated EBIT" shall mean, for any period, Consolidated Net
Income for such period before consolidated interest expense of the Borrower and
its Subsidiaries for such period and provision for taxes for such period and
without giving effect (x) to any extraordinary gains or losses and (y) to any
gains or losses from sales of assets other than from sales of inventory sold in
the ordinary course of business.

          "Consolidated EBITDA" shall mean, for any period, Consolidated EBIT
for such period, adjusted by adding thereto (without duplication) (i) the amount
of all amortization of intangibles and depreciation that were deducted in
arriving at Consolidated EBIT for such period, (ii) up to $25,000,000 of non-
cash charges which were incurred in the Borrower's fourth fiscal quarter in
fiscal year 1998 to the extent that such non-cash charges were deducted in
arriving at Consolidated EBIT for such period, (iii) the amount of all non-cash
charges incurred in such period in connection with the issuance to officers,
employees, directors and consultants of the Borrower and its Subsidiaries of
options to purchase shares of the Borrower's common stock to the extent that
such non-cash charges were deducted in arriving at Consolidated EBIT for such
period and (iv) the amount of all charges incurred in connection with entering
into this Agreement and the Senior Notes Tender Offer/Consent Solicitation to
the extent that such charges were deducted in arriving at the Consolidated
EBITDA for such period; it being understood that in determining the Consolidated
Leverage Ratio only, Consolidated EBITDA for any period shall be calculated on a
Pro Forma Basis to give effect to any Person or assets
- --- -----

                                      -90-
<PAGE>

acquired during such period pursuant to a Permitted Acquisition and not
subsequently sold or otherwise disposed of by the Borrower or any of its
Subsidiaries during such period and shall be calculated without giving effect to
any non-recurring non-cash charges incurred by any such Person or assets prior
to the date of such Permitted Acquisition.

          "Consolidated Indebtedness" shall mean, at any time, the sum of
(without duplication) (i) all Indebtedness of the Borrower and its Subsidiaries
as would be required to be reflected on the liability side of a balance sheet of
such Person in accordance with generally accepted accounting principles as
determined on a consolidated basis, (ii) all Indebtedness of the Borrower and
its Subsidiaries of the type described in clauses (ii), (iii) and (vii) of the
definition of Indebtedness contained herein and (iii) all Contingent Obligations
of the Borrower and its Subsidiaries in respect of Indebtedness of any third
Person of the type referred to in preceding clauses (i) and (ii) of this
definition; provided that for purposes of this definition, the amount of
            --------
Indebtedness in respect of Interest Rate Protection Agreements and Other Hedging
Agreements shall be at any time the unrealized net loss position, if any, of the
Borrower and/or its Subsidiaries thereunder on a marked-to-market basis
determined no more than one month prior to such time.

          "Consolidated Interest Coverage Ratio" shall mean, for any period, the
ratio of Consolidated EBITDA to Consolidated Interest Expense for such period.

          "Consolidated Interest Expense" shall mean, for any period, the total
consolidated interest expense of the Borrower and its Subsidiaries for such
period (calculated without regard to any limitations on the payment thereof)
plus, without duplication, that portion of Capitalized Lease Obligations of the
Borrower and its Subsidiaries representing the interest factor for such period;
provided that the amortization of deferred financing costs with respect to this
- --------
Agreement shall be excluded from Consolidated Interest Expense to the extent
same would otherwise have been included therein.

          "Consolidated Leverage Ratio" shall mean, at any time, the ratio of
Consolidated Indebtedness at such time to Consolidated EBITDA for the Test
Period then most recently ended.

          "Consolidated Net Income" shall mean, for any period, the net income
(or loss) of the Borrower and its Subsidiaries for such period, determined on a
consolidated basis (and after deductions for minority interests); provided that
                                                                  --------
(i) the net income of any other Person which is not a Subsidiary of the Borrower
(including each Unrestricted Subsidiary) or is accounted for by the Borrower by
the equity method of accounting shall be included only to the extent of the
payment of cash dividends or cash distributions by such other Person to the
Borrower or a Subsidiary thereof during such period, (ii) the net income of any
Subsidiary of the Borrower shall be excluded to the extent that the declaration
or payment of cash dividends or similar distributions by that Subsidiary of that
income is not at the time permitted by operation of the terms of its charter or
any agreement, instrument or law applicable to such Subsidiary and (iii) the net
income (or loss) of any other Person acquired by such specified Person or a
Subsidiary of such Person in a pooling of interests transaction for any period
prior to the date of such acquisition shall be excluded.

                                      -91-
<PAGE>

          "Contingent Obligation" shall mean, as to any Person, any obligation
of such Person as a result of such Person being a general partner of the other
Person, unless the underlying obligation is expressly made non-recourse as to
such general partner, and any obligation of such Person guaranteeing or intended
to guarantee any Indebtedness, leases, dividends or other obligations ("primary
obligations") of any other Person (the "primary obligor") in any manner, whether
directly or indirectly, including, without limitation, any obligation of such
Person, whether or not contingent, (i) to purchase any such primary obligation
or any property constituting direct or indirect security therefor, (ii) to
advance or supply funds (x) for the purchase or payment of any such primary
obligation or (y) to maintain working capital or equity capital of the primary
obligor or otherwise to maintain the net worth or solvency of the primary
obligor, (iii) to purchase property, securities or services primarily for the
purpose of assuring the owner of any such primary obligation of the ability of
the primary obligor to make payment of such primary obligation or (iv) otherwise
to assure or hold harmless the holder of such primary obligation against loss in
respect thereof; provided, however, that the term Contingent Obligation shall
                 --------  -------
not include endorsements of instruments for deposit or collection in the
ordinary course of business.  The amount of any Contingent Obligation shall be
deemed to be an amount equal to the stated or determinable amount of the primary
obligation in respect of which such Contingent Obligation is made or, if not
stated or determinable, the maximum reasonably anticipated liability in respect
thereof (assuming such Person is required to perform thereunder) as determined
by such Person in good faith.

          "Continuing Directors" shall mean the directors of the Borrower on the
Effective  Date and each other director if such director's nomination for
election to the Board of Directors of the Borrower is recommended by a majority
of the then Continuing Directors.

          "Credit Documents" shall mean this Agreement and, after the execution
and delivery thereof pursuant to the terms of this Agreement, each Note, the
Subsidiaries Guaranty, the Security Documents and each Incremental Term Loan
Commitment Agreement.

          "Credit Event" shall mean the making of any Loan or the issuance of
any Letter of Credit.

          "Credit Party" shall mean the Borrower and each Subsidiary Guarantor.

          "Default" shall mean any event, act or condition which with notice or
lapse of time, or both, would constitute an Event of Default.

          "Defaulting Lender" shall mean any Lender with respect to which a
Lender Default is in effect.

          "Dipchip" shall mean Dipchip Corp., a New York corporation and a
Wholly-Owned Subsidiary of the Borrower.

          "Dividend" shall mean, with respect to any Person, that such Person
has declared or paid a dividend or returned any equity capital to its
stockholders, partners or members or authorized or made any other distribution,
payment or delivery of property (other than common

                                      -92-
<PAGE>

stock of such Person) or cash to its stockholders, partners or members as such,
or redeemed, retired, purchased or otherwise acquired, directly or indirectly,
for a consideration any shares of any class of its capital stock or any
partnership or membership interests outstanding on or after the Initial
Borrowing Date (or any options or warrants issued by such Person with respect to
its capital stock or other equity interests), or set aside any funds for any of
the foregoing purposes, or shall have permitted any of its Subsidiaries to
purchase or otherwise acquire for a consideration any shares of any class of the
capital stock or any partnership interests of such Person outstanding on or
after the Initial Borrowing Date (or any options or warrants issued by such
Person with respect to its capital stock or other equity interests). Without
limiting the foregoing, "Dividends" with respect to any Person shall also
include all payments made or required to be made by such Person with respect to
any stock appreciation rights plans, equity incentive or achievement plans or
any similar plans or setting aside of any funds for the foregoing purposes.

          "Documentation Agent" shall have the meaning provided in the first
paragraph of this Agreement.

          "Documents" shall mean the Credit Documents and the Senior Notes
Tender Offer/Consent Solicitation Documents.

          "Dollars" and the sign "$" shall each mean freely transferable lawful
money of the United States.

          "Domestic Subsidiary" shall mean each Subsidiary of the Borrower that
is incorporated under the laws of the United States or any State or territory
thereof.

          "Drawing" shall have the meaning provided in Section 2.05(b).

          "Effective Date" shall have the meaning provided in Section 13.10.

          "Eligible Transferee" shall mean and include a commercial bank,
finance company, insurance company, financial institution, any fund that invests
in loans, or any other "accredited investor" (as defined in Regulation D of the
Securities Act) that is not an individual, that invests in loans as part of its
business and also is not a direct competitor of the Borrower in the
telecommunications business.

          "Employment Agreements" shall have the meaning provided in Section
5.14.

          "End Date" shall mean, for any Margin Reduction Period, the last day
of such Margin Reduction Period.

          "Environmental Claims" shall mean any and all administrative,
regulatory or judicial actions, suits, demands, demand letters, directives,
claims, liens, notices of noncompliance or violation, investigations or
proceedings relating in any way to any Environmental Law or any permit issued,
or any approval given, under any such Environmental Law (hereafter, "Claims"),
including, without limitation, (a) any and all Claims by governmental or
regulatory

                                      -93-
<PAGE>

authorities for enforcement, cleanup, removal, response, remedial or other
actions or damages pursuant to any applicable Environmental Law, and (b) any and
all Claims by any third party seeking damages, contribution, indemnification,
cost recovery, compensation or injunctive relief in connection with alleged
injury or threat of injury to health, safety or the environment due to the
presence of Hazardous Materials.

          "Environmental Law" shall mean any Federal, state, foreign or local
statute, law, rule, regulation, ordinance, code, guideline, written policy and
rule of common law now or hereafter in effect and in each case as amended, and
any judicial or administrative interpretation thereof, including any judicial or
administrative order, consent decree or judgment, relating to the environment,
employee health and safety or Hazardous Materials, including, without
limitation, CERCLA; RCRA; the Federal Water Pollution Control Act, 33 U.S.C. (S)
1251 et seq.; the Toxic Substances Control Act, 15 U.S.C. (S) 2601 et seq.; the
     -- ----                                                       -- ----
Clean Air Act, 42 U.S.C. (S) 7401 et seq.; the Safe Drinking Water Act, 42
                                  -- ----
U.S.C. (S) 3803 et seq.; the Oil Pollution Act of 1990, 33 U.S.C. (S) 2701 et
                -- ----                                                    --
seq.; the Emergency Planning and the Community Right-to-Know Act of 1986, 42
- ----
U.S.C. (S) 11001 et seq.; the Hazardous Material Transportation Act, 49 U.S.C.
                 -- ----
(S) 1801 et seq; the Occupational Safety and Health Act, 29 U.S.C. (S) 651 et
         -- ----                                                           --
seq.; and any state and local or foreign counterparts or equivalents, in each
- ----
case as amended from time to time.

          "ERISA" shall mean the Employee Retirement Income Security Act of
1974, as amended from time to time, and the regulations promulgated and rulings
issued thereunder.  Section references to ERISA are to ERISA, as in effect on
the Initial Borrowing Date and any subsequent provisions of ERISA, amendatory
thereof, supplemental thereto or substituted therefor.

          "ERISA Affiliate" shall mean each person (as defined in Section 3(9)
of ERISA) which together with the Borrower or a Subsidiary of the Borrower would
be deemed to be a "single employer" (i) within the meaning of Section 414(b),
(c), (m) or (o) of the Code or (ii) as a result of the Borrower or a Subsidiary
of the Borrower being or having been a general partner of such person.

          "Eurodollar Loan" shall mean each Loan (other than a Swingline Loan)
designated as such by the Borrower at the time of the incurrence thereof or
conversion thereto.

          "Eurodollar Rate" shall mean (a) the offered quotation to first-class
banks in the New York interbank Eurodollar market by BTCo for Dollar deposits of
amounts in immediately available funds comparable to the outstanding principal
amount of the Eurodollar Loan of BTCo with maturities comparable to the Interest
Period applicable to such Eurodollar Loan commencing two Business Days
thereafter as of 11:00 A.M. (New York time) on the date which is two Business
Days prior to the commencement of such Interest Period, divided (and rounded
upward to the nearest 1/16 of 1%) by (b) a percentage equal to 100% minus the
then stated maximum rate of all reserve requirements (including, without
limitation, any marginal, emergency, supplemental, special or other reserves
required by applicable law) applicable to any member bank of the Federal Reserve
System in respect of Eurocurrency funding or liabilities as defined in
Regulation D (or any successor category of liabilities under Regulation D).

                                      -94-
<PAGE>

          "Event of Default" shall have the meaning provided in Section 10.

          "Excess Cash Flow" shall mean, for any period, the remainder of (a)
the sum of (i) Adjusted Consolidated Net Income for such period and (ii) the
decrease, if any, in Adjusted Consolidated Working Capital from the first day to
the last day of such period, minus (b) the sum of (i) the amount of all Capital
Expenditures made by the Borrower and its Subsidiaries during such period (other
than Capital Expenditures to the extent financed with equity proceeds, Asset
Sale proceeds, insurance proceeds or Indebtedness), (ii) the aggregate amount of
permanent principal payments of Indebtedness for borrowed money of the Borrower
and its Subsidiaries during such period (other than (A) repayments to the extent
made with Asset Sale proceeds, equity proceeds, insurance proceeds or
Indebtedness and (B) repayments of Loans, provided that repayments of Loans
                                          --------
shall be deducted in determining Excess Cash Flow if such repayments were (x)
required as a result of a Scheduled Repayment under Section 4.02(b)(i) or (ii)
or (y) made as a voluntary prepayment with internally generated funds (but in
the case of a voluntary prepayment of Revolving Loans or Swingline Loans, only
to the extent accompanied by a voluntary reduction to the Total Revolving Loan
Commitment), (ii) the aggregate consideration paid for all Permitted
Acquisitions made by the Borrower and its Subsidiaries during such period (other
than the portion thereof financed with equity proceeds, capital stock, Asset
Sale Proceeds, insurance proceeds or Indebtedness) and (iv) the increase, if
any, in Adjusted Consolidated Working Capital from the first day to the last day
of such period.

          "Excess Cash Payment Date" shall mean the date occurring 90 days after
the last day of each fiscal year of the Borrower (beginning with its fiscal year
ending on July 31, 2001).

          "Excess Cash Payment Period" shall mean, with respect to the repayment
required on each Excess Cash Payment Date, the immediately preceding fiscal year
of the Borrower.

          "Existing Indebtedness" shall have the meaning provided in Section
7.21.

          "Existing Indebtedness Agreements" shall have the meaning provided in
Section 5.14.

          "Facing Fee" shall have the meaning provided in Section 3.01(c).

          "FCC" shall mean the U.S. Federal Communications Commission, or any
successor thereto.

          "FCC Licenses" shall have the meaning provided in Section 7.23.

          "Federal Funds Rate" shall mean, for any period, a fluctuating
interest rate equal for each day during such period to the weighted average of
the rates on overnight Federal Funds transactions with members of the Federal
Reserve System arranged by Federal Funds brokers, as published for such day (or,
if such day is not a Business Day, for the next preceding Business Day) by the
Federal Reserve Bank of New York, or, if such rate is not so published for any
day which is a Business Day, the average of the quotations for such day on such
transactions received

                                      -95-
<PAGE>

by the Administrative Agent from three Federal Funds brokers of recognized
standing selected by the Administrative Agent.

          "Fees" shall mean all amounts payable pursuant to or referred to in
Section 3.01.

          "Fiber/Satellite Project" shall mean (i) the business of purchasing
and/or laying fiber and (ii) the business of purchasing and/or setting up
satellites, in each case with respect to preceding clauses (i) and (ii), for the
purpose of reselling such fiber or satellites.

          "Foreign Pension Plan" shall mean any plan, fund (including, without
limitation, any superannuation fund) or other similar program established or
maintained outside the United States of America by the Borrower or any one or
more of its Subsidiaries primarily for the benefit of employees of the Borrower
or such Subsidiaries residing outside the United States of America, which plan,
fund or other similar program provides, or results in, retirement income, a
deferral of income in contemplation of retirement or payments to be made upon
termination of employment, and which plan is not subject to ERISA or the Code.

          "Foreign Subsidiary" shall mean each Subsidiary of the Borrower which
is not a Domestic Subsidiary.

          "Governmental Authorizations" shall have the meaning provided in
Section 7.24.

          "Hazardous Materials" shall mean (a) any petroleum or petroleum
products, radioactive materials, asbestos in any form that is friable, urea
formaldehyde foam insulation, transformers or other equipment that contain
dielectric fluid containing levels of polychlorinated biphenyls, and radon gas;
(b) any chemicals, materials or substances defined as or included in the
definition of "hazardous substances," "hazardous waste," "hazardous materials,"
"extremely hazardous substances," "restricted hazardous waste," "toxic
substances," "toxic pollutants," "contaminants," or "pollutants," or words of
similar import, under any applicable Environmental Law; and (c) any other
chemical, material or substance the Release of which is prohibited, limited or
regulated by any governmental authority.

          "IDT America" shall mean IDT America, Corp., a New Jersey corporation
and a Wholly-Owned Subsidiary of the Borrower.

          "IDT International" shall mean IDT International, Corp., a New Jersey
corporation and a Wholly-Owned Subsidiary of the Borrower.

          "Inactive Subsidiary" shall have the meaning provided in Section
7.14(b).

          "Incremental B Term Loan" shall have the meaning provided in Section
1.01(d).

          "Incremental B Term Loan Borrowing Date" shall mean each date on which
Incremental B Term Loans are incurred pursuant to Section 1.01(d), each of which
dates shall be the date of the effectiveness of the respective Incremental Term
Loan Commitment Agreement pursuant to which such Incremental B Term Loans are to
be made.

                                      -96-
<PAGE>

          "Incremental B Term Loan Commitment" shall mean, for each Incremental
Term Loan Lender, the commitment of such Incremental Term Loan Lender to make
Incremental B Term Loans pursuant to Section 1.01(d) on a given Incremental B
Term Loan Borrowing Date, as such commitment (x) is set forth in the respective
Incremental Term Loan Commitment Agreement delivered pursuant to Section 1.14(b)
and (y) may be terminated pursuant to Sections 3.03 and/or 10.

          "Incremental Multiple Draw A Term Loan" shall have the meaning
provided in Section 1.01(c).

          "Incremental Multiple Draw A Term Loan Borrowing Date" shall mean each
date on which Incremental Multiple Draw A Term Loans are incurred pursuant to
Section 1.01(c).

          "Incremental Multiple Draw A Term Loan Commitment" shall mean, for
each Incremental Term Loan Lender, the commitment of such Incremental Term Loan
Lender to make Incremental Multiple Draw A Term Loans pursuant to Section
1.01(c), as such commitment (x) is set forth in the respective Incremental Term
Loan Commitment Agreement delivered pursuant to Section 1.14(b), (y) may be
reduced from time to time pursuant to Sections 3.02(b), 3.03 and/or 10 and (z)
may be adjusted from time to time as a result of assignments to or from such
Incremental Term Loan Lender pursuant to Sections 1.13 and/or 13.04(b).

          "Incremental Term Loan" shall mean each Incremental Multiple Draw A
Term Loan and Incremental B Term Loan.

          "Incremental Term Loan Commitment" shall mean, for each Incremental
Term Loan Lender, such Incremental Term Loan Lender's Incremental Multiple Draw
A Term Loan Commitment or Incremental B Term Loan Commitment, as the case may
be.

          "Incremental Term Loan Commitment Agreement" shall mean an Incremental
Term Loan Commitment Agreement substantially in the form of Exhibit C
(appropriately completed).

          "Incremental Term Loan Lender" shall have the meaning provided in
Section 1.14(b).

          "Indebtedness" shall mean, as to any Person, without duplication, (i)
all indebtedness (including principal, interest, fees and charges) of such
Person for borrowed money or for the deferred purchase price of property or
services, (ii) the maximum amount available to be drawn under all letters of
credit issued for the account of such Person and all unpaid drawings in respect
of such letters of credit, (iii) all Indebtedness of the types described in
clause (i), (ii), (iv), (v), (vi) or (vii) of this definition secured by any
Lien on any property owned by such Person, whether or not such Indebtedness has
been assumed by such Person (provided that, if the Person has not assumed or
                             --------
otherwise become liable in respect of such Indebtedness, such Indebtedness shall
be deemed to be in an amount equal to the fair market value of the property to
which such Lien relates as determined in good faith by such Person), (iv) the
aggregate amount required to be capitalized under leases under which such Person
is the lessee, (v) all obligations

                                      -97-
<PAGE>

of such Person to pay a specified purchase price for goods or services, whether
or not delivered or accepted, i.e., take-or-pay and similar obligations, (vi)
                              ----
all Contingent Obligations of such Person and (vii) all obligations under any
Interest Rate Protection Agreement, any Other Hedging Agreement or under any
similar type of agreement. Notwithstanding the foregoing, Indebtedness shall not
include trade payables and accrued expenses incurred by any Person in accordance
with customary practices and in the ordinary course of business of such Person.

          "Information Systems and Equipment" shall mean all computer hardware,
firmware and software, as well as other information processing systems, or any
equipment containing embedded microchips, whether directly owned, licensed,
leased, operated or otherwise controlled by the Borrower or any of its
Subsidiaries, including through third-party service providers, and which, in
whole or in part, are used, operated, relied upon, or integral to, the
Borrower's or any of its Subsidiaries' conduct of their business.

          "Initial B Term Loan" shall have the meaning provided in Section
1.01(b).

          "Initial B Term Loan Commitment" shall mean, for each Lender, the
amount set forth opposite such Lender's name on Schedule I directly below the
column entitled "Initial B Term Loan Commitment," as the same may be (x)
terminated pursuant to Sections 3.03 and/or 10 or (y) adjusted from time to time
as a result of assignments to or from such Lender pursuant to Sections 1.13
and/or 13.04(b).

          "Initial Borrowing Date" shall mean the date occurring on or after the
Effective Date on which the initial Borrowing of Term Loans occurs.

          "Initial Multiple Draw A Term Loan" shall have the meaning provided in
Section 1.01(a).

          "Initial Multiple Draw A Term Loan Borrowing Date" shall mean each
date on which Initial Multiple Draw A Term Loans are incurred pursuant to
Section 1.01(a).

          "Initial Multiple Draw A Term Loan Commitment" shall mean, for each
Lender, the amount set forth opposite such Lender's name on Schedule I directly
below the column entitled "Initial Multiple Draw A Term Loan Commitment," as the
same may be (x) reduced from time to time pursuant to Sections 3.02(a), 3.03
and/or 10 or (y) adjusted from time to time as a result of assignments to or
from such Lender pursuant to Sections 1.13 and/or 13.04(b).

          "Initial Multiple Draw A Term Loan Full Utilization Date" shall mean
that date upon which all Initial Multiple Draw A Term Loans have been incurred
and the Total Initial Multiple Draw A Term Loan Commitment has been terminated.

          "Intercompany Note" shall mean a promissory note in the form of
Exhibit N.

          "InterExchange" shall mean InterExchange, Inc., a Delaware corporation
and a Wholly-Owned Subsidiary of the Borrower.

                                      -98-
<PAGE>

          "Internet Business" shall mean the Internet business of the Borrower
and its Subsidiaries substantially comprised of (i) providing Internet access
services to end-users, (ii) direct-connect dedicated Internet services for
customers and (iii) Genie online entertainment and information services,
together with all related equipment, software and other assets used in such
Internet Business.

          "Interest Determination Date" shall mean, with respect to any
Eurodollar Loan, the second Business Day prior to the commencement of any
Interest Period relating to such Eurodollar Loan.

          "Interest Period" shall have the meaning provided in Section 1.09.

          "Interest Rate Protection Agreement" shall mean any interest rate swap
agreement, interest rate cap agreement, interest collar agreement, interest rate
hedging agreement or other similar agreement or arrangement.

          "Investments" shall have the meaning provided in Section 9.05.

          "Issuing Lender" shall mean BTCo.

          "L/C Supportable Obligations" shall mean (i) obligations of the
Borrower or any of its Subsidiaries with respect to workers compensation, surety
bonds and other similar statutory obligations and (ii) such other obligations of
the Borrower or any of its Subsidiaries as are reasonably acceptable to the
Issuing Lender and otherwise permitted to exist pursuant to the terms of this
Agreement (other than obligations in respect of the Senior Notes and
Indebtedness under Section 9.04(xii)).

          "Leaseholds" of any Person shall mean all the right, title and
interest of such Person as lessee or licensee in, to and under leases or
licenses of land, improvements and/or fixtures.

          "Lender" shall mean each financial institution listed on Schedule I,
as well as any Person which becomes a "Lender" hereunder pursuant to Section
1.13 or 13.04(b).

          "Lender Default" shall mean (i) the refusal (which has not been
retracted) or the failure of a Lender to make available its portion of any
Borrowing required to be made available by it hereunder (including any Mandatory
Borrowing) or to fund its portion of any unreimbursed payment under Section
2.04(c) or (ii) a Lender having notified in writing the Borrower and/or the
Administrative Agent that such Lender does not intend to comply with its
obligations under Sections 1.01(a), 1.01(b), 1.01(c), 1.01(d), 1.01(e), 1.01(g)
or 2, in the case of either clause (i) or (ii) as a result of any takeover or
control (including, without limitation, as a result of the occurrence of any
event of the type described in Section 10.05 with respect to such Lender) of
such Lender by any regulatory authority or agency.

          "Letter of Credit" shall have the meaning provided in Section 2.01(a).

                                      -99-
<PAGE>

          "Letter of Credit Fee" shall have the meaning provided in Section
3.01(b).

          "Letter of Credit Outstandings" shall mean, at any time, the sum of
(i) the aggregate Stated Amount of all outstanding Letters of Credit at such
time and (ii) the amount of all Unpaid Drawings at such time.

          "Letter of Credit Request" shall have the meaning provided in Section
2.03(a).

          "Lien" shall mean any mortgage, pledge, hypothecation, assignment,
deposit arrangement, encumbrance, lien (statutory or other), preference,
priority or other security agreement of any kind or nature whatsoever
(including, without limitation, any conditional sale or other title retention
agreement, any financing or similar statement or notice filed under the UCC or
any other similar recording or notice statute, and any lease having
substantially the same effect as any of the foregoing).

          "Loan" shall mean each Initial Multiple Draw A Term Loan, Initial B
Term Loan, Incremental Multiple Draw A Term Loan, Incremental B Term Loan,
Revolving Loan and Swingline Loan.

          "Majority Lenders" of any Tranche shall mean those Non-Defaulting
Lenders which would constitute the Required Lenders under, as defined in, this
Agreement if all outstanding Obligations of the other Tranches under this
Agreement were repaid in full and all Commitments with respect thereto were
terminated.

          "Management Agreements" shall have the meaning provided in Section
5.14.

          "Mandatory Borrowing" shall have the meaning provided in Section
1.01(g).

          "Margin Reduction Period" shall mean each period which shall commence
on the date occurring after the Effective Date upon which respective officer's
certificate is delivered pursuant to Section 8.01(f) and which shall end on the
date of actual delivery of the next officer's certificates pursuant to section
8.01(f) or the latest date on which such next officer's certificate is required
to be so delivered.

          "Margin Stock" shall have the meaning provided in Regulation U.

          "Material Adverse Effect" shall mean (i) a material adverse effect on
the business, operations, properties, assets, liabilities, condition (financial
or otherwise) or prospects of the Borrower or of the Borrower and its
Subsidiaries taken as a whole or (ii) a material adverse effect (x) on the
rights or remedies of the Lenders or the Administrative Agent hereunder or under
any other Credit Document or (y) on the ability of any Credit Party to perform
its obligations to the Lenders or the Administrative Agent hereunder or under
any other Credit Document.

          "Maturity Date," with respect to any Tranche of Loans, shall mean the
Multiple Draw A Term Loan Maturity Date, the B Term Loan Maturity Date, the
Revolving Loan Maturity Date or the Swingline Expiry Date, as the case may be.

                                     -100-
<PAGE>

          "Maximum Swingline Amount" shall mean $2,000,000.

          "Media Response" shall mean Media Response, Inc., a New Jersey
corporation and a Wholly-Owned Subsidiary of the Borrower.

          "Minimum Borrowing Amount" shall mean (i) for Term Loans $1,000,000,
(ii) for Revolving Loans, $1,000,000 and (iii) for Swingline Loans, $100,000.

          "Mortgage" shall mean a mortgage, leasehold mortgage, deed of trust,
leasehold deed of trust, deed to secure debt, leasehold deed to secure debt or
similar security instrument.

          "Mortgage Policy" shall mean a mortgage title insurance policy or a
binding commitment with respect thereto.

          "Mortgaged Property" shall mean any Real Property owned or leased by
the Borrower or any Subsidiary Guarantor which is encumbered (or required to be
encumbered) by a Mortgage.

          "Multiple Draw A Term Loan" shall mean, collectively, each Initial
Multiple Draw A Term Loan and each Incremental Multiple Draw A Term Loan.

          "Multiple Draw A Term Loan Commitment" shall mean, for each Lender,
such Lender's Initial Multiple Draw A Term Loan Commitment or Incremental
Multiple Draw A Term Loan Commitment, as the case may be.

          "Multiple Draw A Term Loan Maturity Date" shall mean May 10, 2003,
provided that the Multiple Draw A Term Loan Maturity Date shall automatically be
shortened to May 9, 2000 in the event that the Borrower and/or the applicable
Subsidiary Guarantor has not obtained all of the Required Approvals and
delivered evidence of same to the Administrative Agent by March 31, 2000 (unless
the Borrower has delivered an opinion of counsel, in form and substance (and
from FCC counsel) acceptable to the Administrative Agent, to the effect that one
or more of such Required Approvals are no longer necessary).

          "Multiple Draw A Term Loan Percentage" shall mean, at any time, a
fraction (expressed as a percentage) the numerator of which is equal to the
aggregate principal amount of all Multiple Draw A Term Loans outstanding at such
time and the denominator of which is equal to the aggregate principal amount of
all Term Loans outstanding at such time.

          "Multiple Draw A Term Loan Scheduled Repayment" shall have the meaning
provided in Section 4.02(b)(i).

          "Multiple Draw A Term Note" shall have the meaning provided in Section
1.05(a).

          "NAIC" shall mean the National Association of Insurance Commissioners.

                                     -101-
<PAGE>

          "Net Debt Proceeds" shall mean, with respect to any incurrence of
Indebtedness for borrowed money, the cash proceeds (net of underwriting
discounts and commissions and other reasonable costs associated therewith)
received by the respective Person from the respective incurrence of such
Indebtedness for borrowed money.

          "Net Equity Proceeds" shall mean, with respect to each issuance or
sale of any equity by any Person or any capital contribution to such Person, the
cash proceeds (net of underwriting discounts and commissions and other
reasonable costs associated therewith) received by such Person from the
respective sale or issuance of its equity or from the respective capital
contribution.

          "Net Insurance Proceeds" shall mean, with respect to any Recovery
Event, the cash proceeds (net of reasonable costs and taxes incurred in
connection with such Recovery Event) received by the respective Person in
connection with the respective Recovery Event.

          "Net Sale Proceeds" shall mean, for any Asset Sale, the gross cash
proceeds (including any cash received by way of deferred payment pursuant to a
promissory note, receivable or otherwise, but only as and when received)
received from such Asset Sale, net of the reasonable costs of such sale
(including fees and commissions, payments of unassumed liabilities relating to
the assets sold and required payments of any Indebtedness which is secured by
the respective assets which were sold), and the incremental taxes paid or
payable as a result of such Asset Sale.

          "Net2Phone" shall mean Net2Phone, Inc., a Delaware corporation.

          "Non-Compete Agreements" shall have the meaning provided in Section
5.14.

          "Non-Defaulting Lender" shall mean and include each Lender other than
a Defaulting Lender.

          "Note" shall mean each Multiple Draw A Term Note, each B Term Note,
each Revolving Note and the Swingline Note.

          "Notice of Borrowing" shall have the meaning provided in Section
1.03(a).

          "Notice of Conversion" shall have the meaning provided in Section
1.06.

          "Notice Office" shall mean the office of the Administrative Agent
located at One Bankers Trust Plaza, 130 Liberty Street, New York, New York
10006, Attention: Douglas Dibella or such other office as the Administrative
Agent may hereafter designate in writing as such to the other parties hereto.

          "Obligations" shall mean all amounts owing to the Administrative
Agent, the Collateral Agent, the Issuing Lender, the Swingline Lender or any
Lender pursuant to the terms of this Agreement or any other Credit Document.

          "Operating Agreements" shall have the meaning provided in Section
5.14.

                                     -102-
<PAGE>

          "Other Hedging Agreement" shall mean any foreign exchange contracts,
currency swap agreements, commodity agreements or other similar agreements or
arrangements designed to protect against the fluctuations in currency values.

          "Participant" shall have the meaning provided in Section 2.04(a).

          "Payment Office" shall mean the office of the Administrative Agent
located at One Bankers Trust Plaza, 130 Liberty Street, New York, New York
10006, or such other office as the Administrative Agent may hereafter designate
in writing as such to the other parties hereto.

          "PBGC" shall mean the Pension Benefit Guaranty Corporation established
pursuant to Section 4002 of ERISA, or any successor thereto.

          "Permitted Acquisition" shall mean the acquisition by the Borrower or
a Wholly-Owned Subsidiary thereof of assets constituting a business, division or
product line of any Person not already a Subsidiary of the Borrower or of 100%
of the capital stock of any such Person, which Person shall, as a result of such
stock acquisition, become a Wholly-Owned Subsidiary of the Borrower, provided
                                                                     --------
that (in each case) (A) the consideration paid by the Borrower or such Wholly-
Owned Subsidiary consists solely of cash (including proceeds of Loans), the
issuance or incurrence of Indebtedness otherwise permitted by Section 9.04, the
issuance of common stock of the Borrower or Qualified Preferred Stock of the
Borrower to the extent no Default or Event of Default exists pursuant to Section
10.10 or would result therefrom and the assumption/ acquisition of any
Indebtedness (calculated at face value) which is permitted to remain outstanding
in accordance with the requirements of Section 9.04, (B) in the case of the
acquisition of 100% of the capital stock of any Person, such Person shall own no
capital stock of any other Person (other de minimis amounts) unless either (x)
such Person owns 100% of the capital stock of such other Person or (y) (1) such
Person and/or its Wholly-Owned Subsidiaries own at least 80% of the consolidated
assets of such Person and its Subsidiaries and (2) any non-Wholly Owned
Subsidiary of such Person was non-Wholly Owned prior to the date of such
Permitted Acquisition of such Person, (C) substantially all of the business,
division or product line acquired pursuant to the respective Permitted
Acquisition, or the business of the Person acquired pursuant to the respective
Permitted Acquisition and its Subsidiaries taken as a whole, is in a business
permitted by Section 9.14 and (D) all applicable requirements of Sections 8.19,
9.02 and 9.15 applicable to Permitted Acquisitions are satisfied.
Notwithstanding anything to the contrary contained in the immediately preceding
sentence, an acquisition which does not otherwise meet the requirements set
forth above in the definition of "Permitted Acquisition" shall constitute a
Permitted Acquisition if, and to the extent, the Required Lenders agree in
writing that such acquisition shall constitute a Permitted Acquisition for
purposes of this Agreement.

          "Permitted Encumbrance" shall mean, with respect to any Mortgaged
Property, such exceptions to title as are set forth in the Mortgage Policy
delivered with respect thereto, all of which exceptions must be acceptable to
the Administrative Agent in its reasonable discretion.

                                     -103-
<PAGE>

          "Permitted Holder" shall mean Howard Jonas and any Permitted
Transferee thereof (other than any charitable organization established by Howard
Jonas or a Permitted Transferee thereof).

          "Permitted Liens" shall have the meaning provided in Section 9.01.

          "Permitted Transferee" of Howard Jonas shall mean (i) his spouse, any
lineal ancestors of Howard Jonas or his spouse and any natural person who is a
lineal descendant of a grandparent of Howard Jonas or his spouse, or a spouse of
any such lineal descendant or such lineal ancestor (collectively referred to as
the "Family Members" of Howard Jonas), (ii) the trustee of a trust exclusively
for the benefit of Howard Jonas or any Family Member, (iii) any IRA or 401(k)
employee benefit plan of Howard Jonas, (iv) the estate or any appointed guardian
or custodian of Howard Jonas and (v) any corporation or partnership whose sole
shareholders or partners are Howard Jonas and are or more Family Members.

          "Person" shall mean any individual, partnership, joint venture, firm,
corporation, association, limited liability company, trust or other enterprise
or any government or political subdivision or any agency, department or
instrumentality thereof.

          "Piscataway Facility" shall mean the facility operated by
InterExchange as of the Initial Borrowing Date and located at 225 Old New
Brunswick Road, Piscataway, New Jersey.

          "Plan" shall mean any pension plan as defined in Section 3(2) of
ERISA, which is maintained or contributed to by (or to which there is an
obligation to contribute of) the Borrower or a Subsidiary of the Borrower or an
ERISA Affiliate, and each such plan for the five-year period immediately
following the latest date on which the Borrower, or a Subsidiary of the Borrower
or an ERISA Affiliate, maintained, contributed to or had an obligation to
contribute to such plan.

          "Pledge Agreement" shall have the meaning provided in Section 5.09.

          "Pledge Agreement Collateral" shall mean all "Collateral" as defined
in the Pledge Agreement.

          "Pledgee" shall have the meaning provided in the Pledge Agreement.

          "Prime Lending Rate" shall mean the rate which BTCo announces from
time to time as its prime lending rate, the Prime Lending Rate to change when
and as such prime lending rate changes.  The Prime Lending Rate is a reference
rate and does not necessarily represent the lowest or best rate actually charged
to any customer.  BTCo may make commercial loans or other loans at rates of
interest at, above or below the Prime Lending Rate.

          "Pro Forma Basis" shall mean, in connection with any calculation of
compliance with any financial covenant or financial term, the calculation
thereof after giving effect on a pro forma basis to (x) the incurrence of any
Indebtedness (other than revolving Indebtedness, except to the extent same is
incurred to refinance other outstanding Indebtedness or to finance Permitted

                                     -104-
<PAGE>

Acquisitions) after the first day of the relevant Calculation Period as if such
Indebtedness had been incurred (and the proceeds thereof applied) on the first
day of the relevant Calculation Period, (y) the permanent repayment of any
Indebtedness (other than revolving Indebtedness) after the first day of the
relevant Calculation Period as if such Indebtedness had been retired or redeemed
on the first day of the relevant Calculation Period and (z) the Permitted
Acquisition, if any, then being consummated as well as any other Permitted
Acquisition consummated after the first day of the relevant Calculation Period
and on or prior to the date of the respective Permitted Acquisition then being
effected, with the following rules to apply in connection therewith:

          (i) all Indebtedness (x) (other than revolving Indebtedness, except to
     the extent same is incurred to refinance other outstanding Indebtedness or
     to finance Permitted Acquisitions) incurred or issued after the first day
     of the relevant Calculation Period (whether incurred to finance a Permitted
     Acquisition, to refinance Indebtedness or otherwise) shall be deemed to
     have been incurred or issued (and the proceeds thereof applied) on the
     first day of the respective Calculation Period and remain outstanding
     through the date of determination (and thereafter in the case of
     projections pursuant to Section 8.19(a)(iv)) and (y) (other than revolving
     Indebtedness) permanently retired or redeemed after the first day of the
     relevant Calculation Period shall be deemed to have been retired or
     redeemed on the first day of the respective Calculation Period and remain
     retired through the date of determination (and thereafter in the case of
     projections pursuant to Section 8.19(a)(iv));

          (ii) all Indebtedness assumed to be outstanding pursuant to preceding
     clause (i) shall be deemed to have borne interest at (x) the rate
     applicable thereto, in the case of fixed rate indebtedness or (y) the rates
     which would have been applicable thereto during the respective period when
     same was deemed outstanding, in the case of floating rate Indebtedness
     (although interest expense with respect to any Indebtedness for periods
     while same was actually outstanding during the respective period shall be
     calculated using the actual rates applicable thereto while same was
     actually outstanding); provided that for purposes of calculations pursuant
     to Section 8.19(a)(iv), all Indebtedness (whether actually outstanding or
     deemed outstanding) bearing interest at a floating rate of interest shall
     be tested on the basis of the rates applicable at the time the
     determination is made pursuant to said provisions; and

          (iii)  in making any determination of Consolidated EBITDA, pro forma
                                                                     --- -----
     effect shall be given to any Permitted Acquisition for the periods
     described above.

          "Projections" shall mean the five year projections of the Borrower and
its Subsidiaries through its fiscal year ending July 31, 2004, which are dated
March 4, 1999 and were delivered to the Agents prior to the Initial Borrowing
Date.

          "Qualified Preferred Stock" shall mean any preferred stock of the
Borrower so long as the terms of any such preferred stock (i) do not contain any
mandatory put, redemption, repayment, sinking fund or other similar provision,
except upon the occurrence of a change of control so long as the terms thereof
do not require any such redemption or other action unless all

                                     -105-
<PAGE>

Obligations have been paid in full and the Total Commitment has been terminated
or the requisite consents under this Agreement have been obtained to permit such
redemption or other action, (ii) do not require the cash payment of dividends to
the extent that the payment thereof would not be permitted at such time pursuant
to this Agreement, (iii) do not contain any operating or financial maintenance
covenants, (iv) do not grant the holders thereof any voting rights except for
(x) voting rights required to be granted to such holders under applicable law,
(y) voting rights granted to the holders of common stock of the Borrower in
their capacity as such and (z) limited customary voting rights on fundamental
matters such as mergers, consolidations, sales of all or substantially all of
the assets of the Borrower, or liquidations involving the Borrower, and (v) are
otherwise reasonably satisfactory to the Administrative Agent.

          "Quarterly Payment Date" shall mean the last Business Day of each
January, April, July and October occurring after the Initial Borrowing Date.

          "RCRA" shall mean the Resource Conservation and Recovery Act, as the
same may be amended from time to time, 42 U.S.C. (S) 6901 et seq.
                                                          -- ----

          "Real Property" of any Person shall mean all the right, title and
interest of such Person in and to land, improvements and fixtures, including
Leaseholds.

          "Recovery Event" shall mean the receipt by the Borrower or any of its
Subsidiaries of any cash insurance proceeds (other than under any key-man life
insurance policy) or condemnation awards payable (i) by reason of theft, loss,
physical destruction, damage, taking or any other similar event with respect to
any property or assets of the Borrower or any of its Subsidiaries or (ii) under
any policy of insurance required to be maintained under Section 8.03.

          "Register" shall have the meaning provided in Section 13.15.

          "Regulation D" shall mean Regulation D of the Board of Governors of
the Federal Reserve System as from time to time in effect and any successor to
all or a portion thereof establishing reserve requirements.

          "Regulation T" shall mean Regulation T of the Board of Governors of
the Federal Reserve System as from time to time in effect and any successor to
all or a portion thereof.

          "Regulation U" shall mean Regulation U of the Board of Governors of
the Federal Reserve System as from time to time in effect and any successor to
all or a portion thereof.

          "Regulation X" shall mean Regulation X of the Board of Governors of
the Federal Reserve System as from time to time in effect and any successor to
all or a portion thereof.

          "Release" shall mean the disposing, discharging, injecting, spilling,
pumping, leaking, leaching, dumping, emitting, escaping, emptying, pouring or
migrating, into or upon any land or water or air, or otherwise entering into the
environment.

          "Replaced Lender" shall have the meaning provided in Section 1.13.

                                     -106-
<PAGE>

          "Replacement Lender" shall have the meaning provided in Section 1.13.

          "Reportable Event" shall mean an event described in Section 4043(c) of
ERISA with respect to a Plan that is subject to Title IV of ERISA other than
those events as to which the 30-day notice period is waived under subsection
 .22, .23, .25, .27 or .28 of PBGC Regulation Section 4043.

          "Required Approvals" shall mean the approvals from each of the Public
Service Commissions (or comparable state agencies) of the States of Delaware,
Georgia, Hawaii, New Jersey, New York and Pennsylvania permitting the Borrower
and/or its applicable Subsidiary Guarantor to incur Indebtedness under the
Credit Documents with a term of more than twelve months from the Initial
Borrowing Date.

          "Required Lenders" shall mean Non-Defaulting Lenders the sum of whose
outstanding Term Loans (and, if outstanding, Multiple Draw A Term Loan
Commitments and B Term Loan Commitments) and Revolving Loan Commitments (or
after the termination thereof, outstanding Revolving Loans and RL Percentages of
(x) outstanding Swingline Loans and (y)  Letter of Credit Outstandings)
represent an amount greater than 50% of the sum of (i) all outstanding Term
Loans (and, if outstanding, Multiple Draw A Term Loan Commitments and B Term
Loan Commitments) of all Non-Defaulting Lenders and (ii) the Total Revolving
Loan Commitment less the Revolving Loan Commitments of all Defaulting Lenders
(or after the termination thereof, the sum of the then total outstanding
Revolving Loans of all Non-Defaulting Lenders and the aggregate RL Percentages
of all Non-Defaulting Lenders of the total (x) outstanding Swingline Loans and
(y) Letter of Credit Outstandings at such time).

          "Required West Virginia Approval" shall mean the approval of the
Public Service Commission of the State of West Virginia granting the application
of IDT America for consent and approval to enter into the Credit Documents.

          "Revolving Loan" shall have the meaning provided in Section 1.01(e).

          "Revolving Loan Commitment" shall mean, for each Lender, the amount
set forth opposite such Lender's name in Schedule I directly below the column
entitled "Revolving Loan Commitment," as same may be (x) reduced from time to
time pursuant to Sections 3.02, 3.03 and/or 10 or (y) adjusted from time to time
as a result of assignments to or from such Lender pursuant to Section 1.13 or
13.04(b).

          "Revolving Loan Maturity Date" shall mean May 10, 2003, provided that
the Revolving Loan Maturity Date shall automatically be shortened to May 9, 2000
in the event that the Borrower and/or the applicable Subsidiary Guarantor has
not obtained all of the Required Approvals and delivered evidence of same to the
Administrative Agent by March 31, 2000 (unless the Borrower has delivered an
opinion of counsel, in form and substance (and from FCC counsel) acceptable to
the Administrative Agent, to the effect that one or more of such Required
Approvals are no longer necessary).

          "Revolving Note" shall have the meaning provided in Section 1.05(a).

                                     -107-
<PAGE>

          "RL Lender" shall mean each Lender with a Revolving Loan Commitment or
with outstanding Revolving Loans.

          "RL Percentage" of any RL Lender at any time shall mean a fraction
(expressed as a percentage) the numerator of which is the Revolving Loan
Commitment of such RL Lender at such time and the denominator of which is the
Total Revolving Loan Commitment at such time, provided that if the RL Percentage
                                              --------
of any RL Lender is to be determined after the Total Revolving Loan Commitment
has been terminated, then the RL Percentages of the RL Lenders shall be
determined immediately prior (and without giving effect) to such termination.

          "Scheduled Repayment" shall mean a Multiple Draw A Term Loan Scheduled
Repayment or a B Term Loan Scheduled Repayment, as the case may be.

          "SEC" shall have the meaning provided in Section 8.01(h).

          "Section 4.04(b)(ii) Certificate" shall have the meaning provided in
Section 4.04(b)(ii).

          "Secured Creditors" shall have the meaning assigned that term in the
Security Documents.

          "Securities Act" shall mean the Securities Act of 1933, as amended,
and the rules and regulations promulgated thereunder.

          "Securities Exchange Act" shall mean the Securities Exchange Act of
1934, as amended, and the rules and regulations promulgated thereunder.

          "Security Agreement" shall have the meaning provided in Section 5.10.

          "Security Agreement Collateral" shall mean all "Collateral" as defined
in the Security Agreement.

          "Security Document" shall mean and include the Pledge Agreement, the
Security Agreement and, after the execution and delivery thereof, each Mortgage
and each Additional Security Document.

          "Senior Note Documents" shall mean the Senior Notes Indenture, the
Senior Notes and each other document or agreement relating to the issuance of
the Senior Notes.

          "Senior Notes" shall mean the Borrower's 8-3/4% unsecured senior notes
due 2006 issued pursuant to the Senior Notes Indenture.

          "Senior Notes Indenture" shall mean the Indenture, dated as of
February 18, 1998, between the Borrower and U.S. Bank Trust National
Association, as trustee, pursuant to which the Senior Notes were issued, as
amended by the Senior Notes Indenture Supplement.

                                     -108-
<PAGE>

          "Senior Notes Indenture Supplement" shall mean the Supplemental
Indenture, dated as of April 26, 1999, to the Senior Notes Indenture entered
into by the Borrower and U.S. Bank Trust National Association, as trustee, in
connection with the Senior Notes Tender Offer/Consent Solicitation.

          "Senior Notes Tender Offer/Consent Solicitation" shall have the
meaning provided in Section 5.08.

          "Senior Notes Tender Offer/Consent Solicitation Documents" shall mean
the Offer to Purchase and Consent Solicitation Statement dated March 29, 1999,
the Senior Notes Indenture Supplement and the other documents entered into as
part of the Senior Notes Tender Offer/Consent Solicitation.

          "Shareholders' Agreements" shall have the meaning provided in Section
5.14.

          "Start Date" shall mean, with respect to any Margin Reduction Period,
the first day of such Margin Reduction Period.

          "Stated Amount" of each Letter of Credit shall mean, at any time, the
maximum amount available to be drawn thereunder (in each case determined without
regard to whether any conditions to drawing could then be met).

          "Subsidiaries Guaranty" shall have the meaning provided in Section
5.11.

          "Subsidiary" shall mean, as to any Person, (i) any corporation more
than 50% of whose stock of any class or classes having by the terms thereof
ordinary voting power to elect a majority of the directors of such corporation
(irrespective of whether or not at the time stock of any class or classes of
such corporation shall have or might have voting power by reason of the
happening of any contingency) is at the time owned by such Person and/or one or
more Subsidiaries of such Person and (ii) any partnership, limited liability
company, association, joint venture or other entity in which such Person and/or
one or more Subsidiaries of such Person has more than a 50% equity interest at
the time.  Notwithstanding the foregoing (and except for purposes of the
definition of Unrestricted Subsidiary contained herein), an Unrestricted
Subsidiary shall be deemed not to be a Subsidiary of the Borrower or any of its
other Subsidiaries for purposes of this Agreement.

          "Subsidiary Guarantor" shall mean (i) IDT America from and after the
time provided in Section 8.17(i)(III), (ii) each other Wholly-Owned Domestic
Subsidiary of the Borrower (other than each Inactive Subsidiary except to the
extent required by Section 8.17(h)) and (iii) to the extent required by Section
8.18, each Wholly-Owned Foreign Subsidiary of the Borrower.

          "Supermajority Lenders" shall mean (x) in the case of references to
holders of Multiple Draw A Term Loans, those Non-Defaulting Lenders which would
constitute the Required Lenders under, and as defined in, this Agreement if (x)
all outstanding Obligations (other than those with respect to Multiple Draw A
Term Loans) under this Agreement were

                                     -109-
<PAGE>

repaid in full and all Commitments with respect to such other Obligations were
terminated and (y) the text "greater than 50%" contained therein were changed to
"equal to at least 66-2/3%" and (y) in cases where references are to holders of
B Term Loans, those Non-Defaulting Lenders which would constitute the Required
Lenders under, and as defined in, this Agreement if (x) all outstanding
Obligations (other than those relating to B Term Loans) under this Agreement
were repaid in full and all Commitments with respect to such other Obligations
were terminated and (y) the text "greater than 50%" contained therein were
changed to "equal to at least 66-2/3%".

          "Swingline Expiry Date" shall mean that date which is two Business
Days prior to the Revolving Loan Maturity Date.

          "Swingline Lender" shall mean BTCo.

          "Swingline Loan" shall have the meaning provided in Section 1.01(f).

          "Swingline Note" shall have the meaning provided in Section 1.05(a).

          "Syndication Agent" shall have the meaning provided in the first
paragraph of this Agreement.

          "Syndication Date" shall mean that date upon which  the Administrative
Agent determines (and notifies the Borrower) that the primary syndication (and
resultant addition of Persons as Lenders pursuant to Section 13.04(b)) has been
completed.

          "Taxes" shall have the meaning provided in Section 4.04(a).

          "Tax Sharing Agreements" shall have the meaning provided in Section
5.14.

          "Term Loan Commitment Termination Date" shall mean November 10, 2000,
provided that the Term Loan Commitment Termination Date shall automatically be
shortened to May 9, 2000 in the event that the Borrower and/or the applicable
Subsidiary Guarantor has not obtained all of the Required Approvals and
delivered evidence of same to the Administrative Agent by March 31, 2000 (unless
the Borrower has delivered an opinion of counsel, in form and substance (and
from FCC counsel) acceptable to the Administrative Agent, to the effect that one
or more of such Required Approvals are no longer necessary).

          "Term Loans" shall mean each Initial Multiple Draw A Term Loan, each
Initial B Term Loan, each Incremental Multiple Draw A Term Loan and each
Incremental B Term Loan.

          "Test Date" shall mean, with respect to any Start Date, the last day
of the most recent fiscal quarter of the Borrower ended immediately prior to
such Start Date.

          "Test Period" shall mean the four consecutive fiscal quarters of the
Borrower then last ended (taken as one accounting period).

          "Total Commitment" shall mean, at any time, the sum of the Commitments
of each of the Lenders at such time.

                                     -110-
<PAGE>

          "Total Incremental B Term Loan Commitment" shall mean, at any time,
the sum of the Incremental B Term Loan Commitments of each of the Lenders at
such time.

          "Total Incremental Multiple Draw A Term Loan Commitment" shall mean,
at any time, the sum of the Incremental Multiple Draw A Term Loan Commitments of
each of the Lenders at such time.

          "Total Initial B Term Loan Commitment" shall mean, at any time, the
sum of the Initial B Term Loan Commitments of each of the Lenders at such time.

          "Total Initial Multiple Draw A Term Loan Commitment" shall mean, at
any time, the sum of the Initial Multiple Draw A Term Loan Commitments of each
of the Lenders at such time.

          "Total Multiple Draw A/Revolver Committed Amount" shall mean, at any
time, the sum of (i) the Total Multiple Draw A/Revolver Outstandings at such
time, (ii) the Total Multiple Draw A Term Loan Commitment at such time and (iii)
the Total Unutilized Revolving Loan Commitment at such time (determined as if no
Swingline Loans are outstanding at such time).

          "Total Multiple Draw A/Revolver Outstandings" shall mean, at any time,
the sum of (i) the aggregate principal amount of all Multiple Draw A Term Loans
outstanding at such time, (ii) the aggregate principal amount of all Revolving
Loans outstanding at such time and (iii) the aggregate amount of all Letter of
Credit Outstandings as such time.

          "Total Multiple Draw A Term Loan Commitment" shall mean, at any time,
the sum of (i) the Total Initial Multiple Draw A Term Loan Commitment at such
time and (ii) the Total Incremental Multiple Draw A Term Loan Commitment at such
time.

          "Total Revolving Loan Commitment" shall mean, at any time, the sum of
the Revolving Loan Commitments of each of the Lenders at such time.

          "Total Unutilized Revolving Loan Commitment" shall mean, at any time,
an amount equal to the remainder of (x) the Total Revolving Loan Commitment then
in effect less (y) the sum of the aggregate principal amount of all Revolving
Loans and Swingline Loans then outstanding plus the then aggregate amount of all
Letter of Credit Outstandings at such time.

          "Tranche" shall mean the respective facility and commitments utilized
in making Loans hereunder, with there being four separate Tranches, i.e., (i)
                                                                    ----
Initial Multiple Draw A Term Loans and Incremental Multiple Draw A Term Loans
taken together as a single Tranche, (ii) Initial B Term Loans and Incremental B
Term Loans taken together as one Tranche, (iii) Revolving Loans and (iv)
Swingline Loans.

          "225 Old NB Road" shall mean 225 Old NB Road, Inc., a New Jersey
corporation and a Wholly-Owned Subsidiary of the Borrower, and which is the
owner of the Real Property on which the Piscataway Facility is located.

                                     -111-
<PAGE>

          "Type" shall mean the type of Loan determined with regard to the
interest option applicable thereto, i.e., whether a Base Rate Loan or a
                                    ----
Eurodollar Loan.

          "UCC" shall mean the Uniform Commercial Code as from time to time in
effect in the relevant jurisdiction.

          "Unfunded Current Liability" of any Plan shall mean the amount, if
any, by which the actuarial present value of the accumulated plan benefits under
the Plan determined on a plan termination basis in accordance with actuarial
assumptions at such time consistent with those prescribed by the PBGC for
purposes of Section 4044 of ERISA exceeds the market value of all plan assets
allocable to such liabilities under Title IV of ERISA (excluding any accrued but
unpaid contributions).

          "United States" and "U.S." shall each mean the United States of
America.

          "Unpaid Drawing" shall have the meaning provided for in Section
2.05(a).

          "Unrestricted Fiber Subsidiary" shall mean an Unrestricted Subsidiary
(other than Net2Phone and its Subsidiaries) created in accordance with the
requirements of the definition of "Unrestricted Subsidiary" and whose purpose is
to develop Fiber/Satellite Projects for the Borrower and its Subsidiaries
outside of the United States and Canada.

          "Unrestricted Subsidiary" shall mean (i) Net2Phone and any Subsidiary
of Net2Phone and (ii) any other Subsidiary of the Borrower that is acquired or
created after the Initial Borrowing Date pursuant to Section 9.05(xvi) and is
designated by the Borrower at the time of the acquisition or creation thereof as
an Unrestricted Fiber Subsidiary hereunder by written notice to the
Administrative Agent and shall include any Subsidiary of such Unrestricted Fiber
Subsidiary; provided, that the Borrower shall only be permitted to designate a
Subsidiary as an Unrestricted Subsidiary so long as (I) no Default or Event of
Default then exists or would result therefrom, (II) such Unrestricted Subsidiary
does not own any capital stock of, or other equity interests in,  or have any
Lien on any property of the Borrower or any Subsidiary of the Borrower other
than a Subsidiary of the Unrestricted Subsidiary, (III) any Indebtedness and
other obligations of such Unrestricted Subsidiary are non-recourse to the
Borrower or any of its other Subsidiaries, (IV) the Borrower's and its other
Subsidiaries' aggregate Investments in all Unrestricted Subsidiaries made after
the Effective Date does not exceed that amount permitted by Sections 9.05(xvi)
and/or (xvii), as the case may be, and (V) the designation of the respective
Unrestricted Fiber Subsidiary is made in compliance with the additional
requirements of Section 9.15(b).

          "Unrestricted Subsidiary Tax Sharing Agreement" shall mean any tax
sharing agreement entered into by the Borrower with an Unrestricted Subsidiary
pursuant to the requirements of Section 5.15(b) or 9.15(b), with the terms and
conditions of any such tax sharing agreement to be required to be in form and
substance satisfactory to the Administrative Agent, and with any changes thereto
made after the entering into of any such tax sharing agreement to be required to
be satisfactory to the Administrative Agent.

                                     -112-
<PAGE>

          "Unutilized Revolving Loan Commitment" shall mean, with respect to any
Lender at any time, such Lender's Revolving Loan Commitment at such time less
the sum of (i) the aggregate outstanding principal amount of all Revolving Loans
made by such Lender at such time and (ii) such Lender's RL Percentage of the
Letter of Credit Outstandings at such time.

          "Waivable Mandatory Repayment" shall have the meaning provided in
Section 4.02(j).

          "Wholly-Owned Domestic Subsidiary" shall mean each Domestic Subsidiary
of the Borrower that is also a Wholly-Owned Subsidiary of the Borrower.

          "Wholly-Owned Foreign Subsidiary" shall mean each Foreign Subsidiary
of the Borrower that is also a Wholly-Owned Subsidiary of the Borrower.

          "Wholly-Owned Subsidiary" shall mean, as to any Person, (i) any
corporation 100% of whose capital stock is at the time owned by such Person
and/or one or more Wholly-Owned Subsidiaries of such Person and (ii) any
partnership, limited liability company, association, joint venture or other
entity in which such Person and/or one or more Wholly-Owned Subsidiaries of such
Person has a 100% equity interest at such time (other than, in the case of
preceding clauses (i) and (ii), (x) director's qualifying shares and (y) in the
case of a Foreign Subsidiary, equity interests representing no more than 5% (or
10% to the extent required by applicable law) of the total economic and/or
voting interest in such Foreign Subsidiary to the extent that such equity
interests are required by applicable law to be held by foreign nationals in the
jurisdiction in which such Foreign Subsidiary is organized or to the extent that
Borrower has reasonably determined that it is customary in such jurisdiction for
such foreign nationals to hold such equity interests).

          "Year 2000 Compliant" shall mean that all Information Systems and
Equipment accurately process date data (including, but not limited to,
calculating, comparing and sequencing), before, during and after the year 2000,
as well as same and multi-century dates, or between the years 1999 and 2000,
taking into account all leap years, including the fact that the year 2000 is a
leap year, and further, that when used in combination with, or interfacing with,
other Information Systems and Equipment, shall accurately accept, release and
exchange date data, and shall in all material respects continue to function in
the same manner as it performs on the Initial Borrowing Date and shall not
otherwise impair the accurate or functionality of Information Systems and
Equipment.

          "Yovelle Renaissance" shall mean Yovelle Renaissance Corporation, a
Delaware corporation and a Wholly-Owned Subsidiary of the Borrower.

          SECTION 12.  The Administrative Agent.
                       ------------------------

          12.01  Appointment.  The Lenders hereby irrevocably designate BTCo as
                 -----------
Administrative Agent (for purposes of this Section 12, the term "Administrative
Agent" also shall include BTCo in its capacity as Collateral Agent pursuant to
the Security Documents) to act as specified herein and in the other Credit
Documents.  Each Lender hereby irrevocably

                                     -113-
<PAGE>

authorizes, and each holder of any Note by the acceptance of such Note shall be
deemed irrevocably to authorize, the Administrative Agent to take such action on
their behalf under the provisions of this Agreement, the other Credit Documents
and any other instruments and agreements referred to herein or therein and to
exercise such powers and to perform such duties hereunder and thereunder as are
specifically delegated to or required of the Administrative Agent by the terms
hereof and thereof and such other powers as are reasonably incidental thereto.
The Administrative Agent may perform any of its duties hereunder by or through
its officers, directors, agents, employees or affiliates.

          12.02  Nature of Duties.  The Administrative Agent shall not have any
                 ----------------
duties or responsibilities except those expressly set forth in this Agreement
and in the other Credit Documents.  Neither the Administrative Agent nor any of
its officers, directors, agents, employees or affiliates shall be liable for any
action taken or omitted by them hereunder or under any other Credit Document or
in connection herewith or therewith, unless caused by its or their gross
negligence or willful misconduct (as finally determined by a court of competent
jurisdiction).  The duties of the Administrative Agent shall be mechanical and
administrative in nature; the Administrative Agent shall not have by reason of
this Agreement or any other Credit Document a fiduciary relationship in respect
of any Lender or the holder of any Note; and nothing in this Agreement or any
other Credit Document, expressed or implied, is intended to or shall be so
construed as to impose upon the Administrative Agent any obligations in respect
of this Agreement or any other Credit Document except as expressly set forth
herein or therein.

          12.03  Lack of Reliance on the Administrative Agent.  Independently
                 --------------------------------------------
and without reliance upon the Administrative Agent, each Lender and the holder
of each Note, to the extent it deemed or deems appropriate, has made and shall
continue to make (i) its own independent investigation of the financial
condition and affairs of the Borrower and its Subsidiaries in connection with
the making and the continuance of the Loans and the taking or not taking of any
action in connection herewith and (ii) its own appraisal of the creditworthiness
of the Borrower and its Subsidiaries and, except as expressly provided in this
Agreement, the Administrative Agent shall not have any duty or responsibility,
either initially or on a continuing basis, to provide any Lender or the holder
of any Note with any credit or other information with respect thereto, whether
coming into its possession before the making of the Loans or at any time or
times thereafter.  The Administrative Agent shall not be responsible to any
Lender or the holder of any Note for any recitals, statements, information,
representations or warranties herein or in any document, certificate or other
writing delivered in connection herewith or for the execution, effectiveness,
genuineness, validity, enforceability, perfection, collectability, priority or
sufficiency of this Agreement or any other Credit Document or the financial
condition of the Borrower or any of its Subsidiaries or be required to make any
inquiry concerning either the performance or observance of any of the terms,
provisions or conditions of this Agreement or any other Credit Document, or the
financial condition of the Borrower or any of its Subsidiaries or the existence
or possible existence of any Default or Event of Default.

          12.04  Certain Rights of the Administrative Agent.  If the
                 ------------------------------------------
Administrative Agent shall request instructions from the Required Lenders or all
of the Lenders, as applicable, with respect to any act or action (including
failure to act) in connection with this Agreement or any

                                     -114-
<PAGE>

other Credit Document, the Administrative Agent shall be entitled to refrain
from such act or taking such action unless and until the Administrative Agent
shall have received instructions from the Required Lenders or all of the
Lenders, as applicable; and the Administrative Agent shall not incur liability
to any Lender by reason of so refraining. Without limiting the foregoing, no
Lender nor the holder of any Note shall have any right of action whatsoever
against the Administrative Agent as a result of the Administrative Agent acting
or refraining from acting hereunder or under any other Credit Document in
accordance with the instructions of the Required Lenders or all of the Lenders,
as applicable.

          12.05  Reliance.  The Administrative Agent shall be entitled to rely,
                 --------
and shall be fully protected in relying, upon any note, writing, resolution,
notice, statement, certificate, telex, teletype or telecopier message,
cablegram, radiogram, order or other document or telephone message signed, sent
or made by any Person that the Administrative Agent believed to be the proper
Person, and, with respect to all legal matters pertaining to this Agreement and
any other Credit Document and its duties hereunder and thereunder, upon advice
of counsel selected by the Administrative Agent.

          12.06  Indemnification.  To the extent the Administrative Agent is not
                 ---------------
reimbursed and indemnified by the Borrower or any of its Subsidiaries, the
Lenders will reimburse and indemnify the Administrative Agent in proportion to
their respective "percentage" as used in determining the Required Lenders
(determined as if there were no Defaulting Lenders) for and against any and all
liabilities, obligations, losses, damages, penalties, claims, actions,
judgments, costs, expenses or disbursements of whatsoever kind or nature which
may be imposed on, asserted against or incurred by the Administrative Agent in
performing its duties hereunder or under any other Credit Document or in any way
relating to or arising out of this Agreement or any other Credit Document;
provided that no Lender shall be liable for any portion of such liabilities,
- --------
obligations, losses, damages, penalties, actions, judgments, suits, costs,
expenses or disbursements resulting from the Administrative Agent's gross
negligence or willful misconduct (as finally determined by a court of competent
jurisdiction).

          12.07  The Administrative Agent in its Individual Capacity.  With
                 ---------------------------------------------------
respect to its obligation to make Loans, or issue or participate in Letters of
Credit, under this Agreement, the Administrative Agent shall have the rights and
powers specified herein for a "Lender" and may exercise the same rights and
powers as though it were not performing the duties specified herein; and the
term "Lenders," "Required Lenders," "Majority Lenders," "Supermajority Lenders,"
"holders of Notes" or any similar terms shall, unless the context clearly
otherwise indicates, include the Administrative Agent in its individual
capacity.  The Administrative Agent and its affiliates may accept deposits from,
lend money to, and generally engage in any kind of banking, investment banking,
trust or other business with, or provide debt financing, equity capital or other
services (including financial advisory services) to, any Credit Party or any
Affiliate of any Credit Party (or any Person engaged in a similar business with
any Credit Party or any Affiliate thereof) as if they were not performing the
duties specified herein, and may accept fees and other consideration from any
Credit Party or any Affiliate of any Credit Party for services in connection
with this Agreement and otherwise without having to account for the same to the
Lenders.

                                     -115-
<PAGE>

          12.08  Holders.  The Administrative Agent may deem and treat the payee
                 -------
of any Note as the owner thereof for all purposes hereof unless and until a
written notice of the assignment, transfer or endorsement thereof, as the case
may be, shall have been filed with the Administrative Agent.  Any request,
authority or consent of any Person who, at the time of making such request or
giving such authority or consent, is the holder of any Note shall be conclusive
and binding on any subsequent holder, transferee, assignee or indorsee, as the
case may be, of such Note or of any Note or Notes issued in exchange therefor.

          12.09  Resignation by the Administrative Agent.  (a) The
                 ---------------------------------------
Administrative Agent may resign from the performance of all its respective
functions and duties hereunder and/or under the other Credit Documents at any
time by giving 15 Business Days' prior written notice to the Lenders.  Such
resignation shall take effect upon the appointment of a successor Administrative
Agent pursuant to clauses (b) and (c) below or as otherwise provided below.

          (b)  Upon any such notice of resignation by the Administrative Agent,
the Required Lenders shall appoint a successor Administrative Agent hereunder or
thereunder who shall be a commercial bank or trust company reasonably acceptable
to the Borrower, which acceptance shall not be unreasonably withheld or delayed
(provided that the Borrower's approval shall not be required if an Event of
Default then exists).

          (c)  If a successor Administrative Agent shall not have been so
appointed within such 15 Business Day period, the Administrative Agent with the
consent of the Borrower (which consent shall not be unreasonably withheld or
delayed), shall then appoint a successor Administrative Agent who shall serve as
Administrative Agent hereunder or thereunder until such time, if any, as the
Required Lenders appoint a successor Administrative Agent as provided above.

          (d)  If no successor  Administrative Agent has been appointed pursuant
to clause (b) or (c) above by the 20th Business Day after the date such notice
of resignation was given by the Administrative Agent, the Administrative Agent's
resignation shall become effective and the Required Lenders shall thereafter
perform all the duties of the Administrative Agent hereunder and/or under any
other Credit Document until such time, if any, as the Required Lenders appoint a
successor Administrative Agent as provided above.

          12.10  Syndication Agent and Documentation Agent.  Neither the
                 -----------------------------------------
Syndication Agent nor the Documentation Agent, solely in their capacity as such,
shall have any duties or liabilities under this Agreement or under any other
Credit Document except with respect to Section 13.16.

          SECTION 13.  Miscellaneous.
                       -------------

          13.01  Payment of Expenses, etc.  The Borrower shall:  (i) whether or
                 -------------------------
not the transactions herein contemplated are consummated, pay all reasonable
out-of-pocket costs and expenses of each Agent (including, without limitation,
the reasonable fees and disbursements of White & Case LLP and Dow, Lohnes &
Albertson PLLC (FCC counsel to the Agents)) in connection with the preparation,
execution and delivery of this Agreement and the other Credit

                                     -116-
<PAGE>

Documents and the documents and instruments referred to herein and therein and
any amendment, waiver or consent relating hereto or thereto, of each Agent in
connection with their syndication efforts with respect to this Agreement and of
each Agent and, after the occurrence of an Event of Default, each of the Lenders
in connection with the enforcement of this Agreement and the other Credit
Documents and the documents and instruments referred to herein and therein or in
connection with any refinancing or restructuring of the credit arrangements
provided under this Agreement in the nature of a "work-out" or pursuant to any
insolvency or bankruptcy proceedings (including, without limitation, in each
case the reasonable fees and disbursements of counsel and consultants for each
Agent and, after the occurrence of an Event of Default, counsel for each of the
Lenders); (ii) pay and hold each of the Lenders harmless from and against any
and all present and future stamp, excise and other similar documentary taxes
with respect to the foregoing matters and save each of the Lenders harmless from
and against any and all liabilities with respect to or resulting from any delay
or omission (other than to the extent attributable to such Lender) to pay such
taxes; and (iii) indemnify each Agent and each Lender, and each of their
respective officers, directors, employees, representatives, agents and
affiliates from and hold each of them harmless against any and all liabilities,
obligations (including removal or remedial actions), losses, damages, penalties,
claims, actions, judgments, suits, costs, expenses and disbursements (including
reasonable attorneys' and consultants' fees and disbursements) incurred by,
imposed on or assessed against any of them as a result of, or arising out of, or
in any way related to, or by reason of, (a) any investigation, litigation or
other proceeding (whether or not any Agent or any Lender is a party thereto and
whether or not such investigation, litigation or other proceeding is brought by
or on behalf of any Credit Party) related to the entering into and/or
performance of this Agreement or any other Credit Document or the use of any
Letter of Credit or the proceeds of any Loans hereunder or the consummation of
any of the transactions contemplated herein or in any other Credit Document or
the exercise of any of their rights or remedies provided herein or in the other
Credit Documents, or (b) the actual or alleged presence of Hazardous Materials
in the air, surface water or groundwater or on the surface or subsurface of any
Real Property owned, leased or at any time operated by the Borrower or any of
its Subsidiaries, the generation, storage, transportation, handling or disposal
of Hazardous Materials by the Borrower or any of its Subsidiaries at any
location, whether or not owned, leased or operated by the Borrower or any of its
Subsidiaries, the non-compliance of any Real Property owned, leased or at any
time operated by the Borrower or any of its Subsidiaries with foreign, federal,
state and local laws, regulations, and ordinances (including applicable permits
thereunder) applicable to any Real Property, or any Environmental Claim asserted
against the Borrower, any of its Subsidiaries or any Real Property owned, leased
or at any time operated by the Borrower or any of its Subsidiaries, including,
in each case, without limitation, the reasonable fees and disbursements of
counsel and other consultants incurred in connection with any such
investigation, litigation or other proceeding (but excluding any losses,
liabilities, claims, damages or expenses to the extent incurred by reason of the
gross negligence, bad faith or willful misconduct of the Person to be
indemnified (as finally determined by a court of competent jurisdiction)). To
the extent that the undertaking to indemnify, pay or hold harmless any Agent or
any Lender set forth in the preceding sentence may be unenforceable because it
is violative of any law or public policy, the Borrower shall make the maximum
contribution to the payment and satisfaction of each of the indemnified
liabilities which is permissible under applicable law.

                                     -117-
<PAGE>

          13.02  Right of Setoff.  In addition to any rights now or hereafter
                 ---------------
granted under applicable law or otherwise, and not by way of limitation of any
such rights, upon the occurrence and during the continuance of an Event of
Default, each Lender is hereby authorized at any time or from time to time,
without presentment, demand, protest or other notice of any kind to any Credit
Party or to any other Person, any such notice being hereby expressly waived, to
set off and to appropriate and apply any and all deposits (general or special)
and any other Indebtedness at any time held or owing by such Lender (including,
without limitation, by branches and agencies of such Lender wherever located) to
or for the credit or the account of any Credit Party against and on account of
the Obligations and liabilities of the Credit Parties to such Lender under this
Agreement or under any of the other Credit Documents, including, without
limitation, all interests in Obligations purchased by such Lender pursuant to
Section 13.06(b), and all other claims of any nature or description arising out
of or connected with this Agreement or any other Credit Document, irrespective
of whether or not such Lender shall have made any demand hereunder and although
said Obligations, liabilities or claims, or any of them, shall be contingent or
unmatured.

          13.03  Notices.  Except as otherwise expressly provided herein, all
                 -------
notices and other communications provided for hereunder shall be in writing
(including telegraphic, telex, telecopier or cable communication) and mailed,
telegraphed, telexed, telecopied, cabled or delivered:  if to any Credit Party,
at the address specified opposite its signature below or in the other relevant
Credit Documents; if to any Lenders, at its address specified on Schedule II;
and if to the Administrative Agent, at the Notice Office; or, as to any Credit
Party or the Administrative Agent, at such other address as shall be designated
by such party in a written notice to the other parties hereto and, as to each
Lender, at such other address as shall be designated by such Lender in a written
notice to the Borrower and the Administrative Agent.  All such notices and
communications shall, when mailed, telegraphed, telexed, telecopied, or cabled
or sent by overnight courier, be effective when deposited in the mails,
delivered to the telegraph company, cable company or overnight courier, as the
case may be, or sent by telex or telecopier, except that notices and
communications to the Administrative Agent and the Borrower shall not be
effective until received by the Administrative Agent or the Borrower, as the
case may be.

          13.04  Benefit of Agreement; Assignments; Participations.  (a)  This
                 -------------------------------------------------
Agreement shall be binding upon and inure to the benefit of and be enforceable
by the respective successors and assigns of the parties hereto; provided,
                                                                --------
however, the Borrower may not assign or transfer any of its rights, obligations
- -------
or interest hereunder without the prior written consent of each of the Lenders
and, provided further, that, although any Lender may transfer, assign or grant
     ----------------
participations in its rights hereunder, such Lender shall remain a "Lender" for
all purposes hereunder (and may not transfer or assign all or any portion of its
Loans or Commitments hereunder except as provided in Sections 1.13 and 13.04(b))
and the transferee, assignee or participant, as the case may be, shall not
constitute a "Lender" hereunder and, provided further, that no Lender shall
                                     ----------------
transfer or grant any participation under which the participant shall have
rights to approve any amendment to or waiver of this Agreement or any other
Credit Document except to the extent such amendment or waiver would (i) extend
the final scheduled maturity of any Loan, Note or Letter of Credit (unless such
Letter of Credit is not extended beyond the Revolving Loan Maturity Date) in
which such participant is participating, or reduce the rate or

                                     -118-
<PAGE>

extend the time of payment of interest or Fees thereon (except in connection
with a waiver of applicability of any post-default increase in interest rates)
or reduce the principal amount thereof (it being understood that any amendment
or modification to the financial definitions in this Agreement or to Section
13.07(a) shall not constitute a reduction in the rate of interest or Fees
payable hereunder), or increase the amount of the participant's participation
over the amount thereof then in effect (it being understood that a waiver of any
Default or Event of Default or of a mandatory reduction in the Total Commitment,
shall not constitute a change in the terms of such participation, and that an
increase in any Commitment or Loan shall be permitted without the consent of any
participant if the participant's participation is not increased as a result
thereof), (ii) consent to the assignment or transfer by the Borrower of any of
its rights and obligations under this Agreement or (iii) release all or
substantially all of the Collateral (except as expressly provided in the Credit
Documents) supporting the Loans hereunder in which such participant is
participating. In the case of any such participation, the participant shall not
have any rights under this Agreement or any of the other Credit Documents (the
participant's rights against such Lender in respect of such participation to be
those set forth in the agreement executed by such Lender in favor of the
participant relating thereto) and all amounts payable by the Borrower hereunder
shall be determined as if such Lender had not sold such participation.

          (b)  Notwithstanding the foregoing, any Lender (or any Lender together
with one or more other Lenders) may (x) assign all or a portion of its
Commitments and related outstanding Obligations (or, if the Commitments with
respect to the relevant Tranche have terminated, outstanding Obligations)
hereunder to (i) its parent company and/or any affiliate of such Lender which is
at least 50% owned by such Lender or its parent company or to one or more
Lenders or (ii) in the case of any Lender that is a fund that invests in loans,
any other fund that invests in loans and is managed or advised by the same
investment advisor of such Lender or by an Affiliate of such investment advisor
or (y) assign all, or if less than all, a portion equal to at least $5,000,000
in the aggregate for the assigning Lender or assigning Lenders, of such
Commitments and related outstanding Obligations (or, if the Commitments with
respect to the relevant Tranche have terminated, outstanding Obligations)
hereunder to one or more Eligible Transferees (treating any fund that invests in
loans and any other fund that invests in loans and is managed or advised by the
same investment advisor of such fund or by an Affiliate of such investment
advisor as a single Eligible Transferee), each of which assignees shall become a
party to this Agreement as a Lender by execution of an Assignment and Assumption
Agreement, provided that, (i) at such time Schedule I shall be deemed modified
           --------
to reflect the Commitments and/or outstanding Loans, as the case may be, of such
new Lender and of the existing Lenders, (ii) upon the surrender of the relevant
Note by the assigning Lender (or, upon such assigning Lenders indemnifying the
Borrower for any lost Note pursuant to a customary indemnification agreement) a
new Note will be issued, at the Borrower's expense, to such new Lender and to
the assigning Lender upon the request of such new Lender or assigning Lender,
such new Note to be in conformity with the requirements of Section 1.05 (with
appropriate modifications) to the extent needed to reflect the revised
Commitments and/or outstanding Loans, as the case may be, (iii) the consent of
the Administrative Agent and, so long as no Default or Event of Default then
exists, the consent of the Borrower (each of which consents shall not be
unreasonably withheld or delayed) shall be required in connection with any
assignment to an Eligible Transferee pursuant to clause (y) above, provided that
                                                                   --------
the consent of the Borrower shall not be required until

                                     -119-
<PAGE>

after the earlier of (A) the Syndication Date and (B) the 90th day after the
Initial Borrowing Date, (iv) the Administrative Agent shall receive at the time
of each such assignment, from the assigning or assignee Lender, the payment of a
non-refundable assignment fee of $3,500 and (v) no such transfer or assignment
will be effective until recorded by the Administrative Agent on the Register
pursuant to Section 13.15. To the extent of any assignment pursuant to this
Section 13.04(b), the assigning Lender shall be relieved of its obligations
hereunder with respect to its assigned Commitments and outstanding Loans. At the
time of each assignment pursuant to this Section 13.04(b) to a Person which is
not already a Lender hereunder and which is not a United States person (as such
term is defined in Section 7701(a)(30) of the Code) for Federal income tax
purposes, the respective assignee Lender shall, to the extent legally entitled
to do so, provide to the Borrower the appropriate Internal Revenue Service Forms
(and, if applicable, a Section 4.04(b)(ii) Certificate) described in Section
4.04(b). To the extent that an assignment of all or any portion of a Lender's
Commitments and related outstanding Obligations pursuant to Section 1.13 or this
Section 13.04(b) would, at the time of such assignment, result in increased
costs under Section 1.10, 2.06 or 4.04 from those being charged by the
respective assigning Lender prior to such assignment, then the Borrower shall
not be obligated to pay such increased costs (although the Borrower, in
accordance with and pursuant to the other provisions of this Agreement, shall be
obligated to pay any other increased costs of the type described above resulting
from changes after the date of the respective assignment).

          (c)  Nothing in this Agreement shall prevent or prohibit (i) any
Lender from pledging its Loans and Notes hereunder to a Federal Reserve Bank in
support of borrowings made by such Lender from such Federal Reserve Bank or (ii)
any Lender which is a fund from pledging all or any portion of its Loans and
Notes to its trustee in support of its obligations to its trustee.  No pledge
pursuant to this clause (c) shall release the transferor Lender from any of its
obligations hereunder.

          13.05  No Waiver; Remedies Cumulative.  No failure or delay on the
                 ------------------------------
part of the Administrative Agent, the Collateral Agent, the Issuing Lender, the
Swingline Lender or any Lender in exercising any right, power or privilege
hereunder or under any other Credit Document and no course of dealing between
the Borrower or any other Credit Party and the Administrative Agent, the
Collateral Agent, the Issuing Lender, the Swingline Lender or any Lender shall
operate as a waiver thereof; nor shall any single or partial exercise of any
right, power or privilege hereunder or under any other Credit Document preclude
any other or further exercise thereof or the exercise of any other right, power
or privilege hereunder or thereunder.  The rights, powers and remedies herein or
in any other Credit Document expressly provided are cumulative and not exclusive
of any rights, powers or remedies which the Administrative Agent, the Collateral
Agent, the Issuing Lender, the Swingline Lender or any Lender would otherwise
have.  No notice to or demand on any Credit Party in any case shall entitle any
Credit Party to any other or further notice or demand in similar or other
circumstances or constitute a waiver of the rights of the Administrative Agent,
the Collateral Agent, the Issuing Lender, the Swingline Lender or any Lender to
any other or further action in any circumstances without notice or demand.

          13.06  Payments Pro Rata.  (a)  Except as otherwise provided in this
                 -----------------
Agreement, the Administrative Agent agrees that promptly after its receipt of
each payment from or on behalf

                                     -120-
<PAGE>

of the Borrower in respect of any Obligations hereunder, it shall distribute
such payment to the Lender (other than any Lender that has consented in writing
to waive its pro rata share of any such payment) pro rata based upon their
             --- ----                            --- ----
respective shares, if any, of the Obligations with respect to which such payment
was received.

          (b)  Each of the Lenders agrees that, if it should receive any amount
hereunder (whether by voluntary payment, by realization upon security, by the
exercise of the right of setoff or banker's lien, by counterclaim or cross
action, by the enforcement of any right under the Credit Documents, or
otherwise), which is applicable to the payment of the principal of, or interest
on, the Loans, Unpaid Drawings, Commitment Commission or Letter of Credit Fees,
of a sum which with respect to the related sum or sums received by other Lenders
is in a greater proportion than the total of such Obligation then owed and due
to such Lender bears to the total of such Obligation then owed and due to all of
the Lenders immediately prior to such receipt, then such Lender receiving such
excess payment shall purchase for cash without recourse or warranty from the
other Lenders an interest in the Obligations of the respective Credit Party to
such Lenders in such amount as shall result in a proportional participation by
all the Lenders in such amount; provided that if all or any portion of such
                                --------
excess amount is thereafter recovered from such Lender, such purchase shall be
rescinded and the purchase price restored to the extent of such recovery, but
without interest.

          (c)  Notwithstanding anything to the contrary contained herein, the
provisions of the preceding Sections 13.06(a) and (b) shall be subject to the
express provisions of this Agreement which require, or permit, differing
payments to be made to Non-Defaulting Lenders as opposed to Defaulting Lenders.

          13.07  Calculations; Computations; Accounting Terms.  (a)  The
                 --------------------------------------------
financial statements to be furnished to the Lenders pursuant hereto shall be
made and prepared in accordance with generally accepted accounting principles in
the United States consistently applied throughout the periods involved (except
as set forth in the notes thereto or as otherwise disclosed in writing by the
Borrower to the Lenders); provided that, except as otherwise specifically
provided herein, (i) all computations and all definitions used in determining
compliance with Sections 9.07 through 9.10, inclusive, shall utilize accounting
principles and policies in conformity with those used to prepare the historical
financial statements of the Borrower referred to in Section 7.05(a) and (ii) the
financial results of Unrestricted Subsidiaries shall be ignored.

          (b)  All computations of interest, Commitment Commission and other
Fees hereunder shall be made on the basis of a year of 360 days for the actual
number of days (including (in each case) the first day but excluding the last
day; except that in the case of Letter of Credit Fees, the last day shall be
included) occurring in the period for which such interest, Commitment Commission
or other Fees are payable; provided that interest in respect of Base Rate Loans
determined by reference to the Prime Lending Rate shall be made on the basis of
a year of 365 or 366 days, as the case may be, for the actual number of days
occurring in the period for which such interest is payable.

                                     -121-
<PAGE>

          13.08  GOVERNING LAW; SUBMISSION TO JURISDICTION; VENUE; WAIVER OF
                 -----------------------------------------------------------
JURY TRIAL.  (a)  THIS AGREEMENT AND THE OTHER CREDIT DOCUMENTS AND THE RIGHTS
- ----------
AND OBLIGATIONS OF THE PARTIES HEREUNDER AND THEREUNDER SHALL BE CONSTRUED IN
ACCORDANCE WITH AND BE GOVERNED BY THE LAW OF THE STATE OF NEW YORK.  ANY LEGAL
ACTION OR PROCEEDING WITH RESPECT TO THIS AGREEMENT OR ANY OTHER CREDIT DOCUMENT
MAY BE BROUGHT IN THE COURTS OF THE STATE OF NEW YORK OR OF THE UNITED STATES
FOR THE SOUTHERN DISTRICT OF NEW YORK IN EACH CASE LOCATED IN THE CITY OF NEW
YORK, AND, BY EXECUTION AND DELIVERY OF THIS AGREEMENT OR ANY OTHER CREDIT
DOCUMENT, THE BORROWER HEREBY IRREVOCABLY ACCEPTS FOR ITSELF AND IN RESPECT OF
ITS PROPERTY, GENERALLY AND UNCONDITIONALLY, THE JURISDICTION OF THE AFORESAID
COURTS.  THE BORROWER HEREBY FURTHER IRREVOCABLY WAIVES ANY CLAIM THAT ANY SUCH
COURTS LACK PERSONAL JURISDICTION OVER IT, AND AGREES NOT TO PLEAD OR CLAIM, IN
ANY LEGAL ACTION PROCEEDING WITH RESPECT TO THIS AGREEMENT OR ANY OTHER CREDIT
DOCUMENTS BROUGHT IN ANY OF THE AFOREMENTIONED COURTS, THAT SUCH COURTS LACK
PERSONAL JURISDICTION OVER IT.  THE BORROWER FURTHER IRREVOCABLY CONSENTS TO THE
SERVICE OF PROCESS OUT OF ANY OF THE AFOREMENTIONED COURTS IN ANY SUCH ACTION OR
PROCEEDING BY THE MAILING OF COPIES THEREOF BY REGISTERED OR CERTIFIED MAIL,
POSTAGE PREPAID, TO IT AT ITS ADDRESS SET FORTH OPPOSITE ITS SIGNATURE BELOW,
SUCH SERVICE TO BECOME EFFECTIVE 30 DAYS AFTER SUCH MAILING. THE BORROWER HEREBY
IRREVOCABLY WAIVES ANY OBJECTION TO SUCH SERVICE OF PROCESS AND FURTHER
IRREVOCABLY WAIVES AND AGREES NOT TO PLEAD OR CLAIM IN ANY ACTION OR PROCEEDING
COMMENCED HEREUNDER OR UNDER ANY OTHER CREDIT DOCUMENT THAT SERVICE OF PROCESS
WAS IN ANY WAY INVALID OR INEFFECTIVE.  NOTHING HEREIN SHALL AFFECT THE RIGHT OF
ANY AGENT, ANY LENDER OR THE HOLDER OF ANY NOTE TO SERVE PROCESS IN ANY OTHER
MANNER PERMITTED BY LAW OR TO COMMENCE LEGAL PROCEEDINGS OR OTHERWISE PROCEED
AGAINST THE BORROWER IN ANY OTHER JURISDICTION.

          (b)  THE BORROWER HEREBY IRREVOCABLY WAIVES ANY OBJECTION WHICH IT MAY
NOW OR HEREAFTER HAVE TO THE LAYING OF VENUE OF ANY OF THE AFORESAID ACTIONS OR
PROCEEDINGS ARISING OUT OF OR IN CONNECTION WITH THIS AGREEMENT OR ANY OTHER
CREDIT DOCUMENT BROUGHT IN THE COURTS REFERRED TO IN CLAUSE (a) ABOVE AND HEREBY
FURTHER IRREVOCABLY, TO THE EXTENT PERMITTED BY APPLICABLE LAW, WAIVES AND
AGREES NOT TO PLEAD OR CLAIM IN ANY SUCH COURT THAT ANY SUCH ACTION OR
PROCEEDING BROUGHT IN ANY SUCH COURT HAS BEEN BROUGHT IN AN INCONVENIENT FORUM.

          (c)  EACH OF THE PARTIES TO THIS AGREEMENT HEREBY IRREVOCABLY WAIVES
ALL RIGHT TO A TRIAL BY JURY IN ANY ACTION, PROCEEDING OR COUNTERCLAIM ARISING
OUT OF OR RELATING TO THIS AGREEMENT, THE

                                     -122-
<PAGE>

OTHER CREDIT DOCUMENTS OR THE TRANSACTIONS CONTEMPLATED HEREBY OR THEREBY.

          13.09  Counterparts.  This Agreement may be executed in any number of
                 ------------
counterparts and by the different parties hereto on separate counterparts, each
of which when so executed and delivered shall be an original, but all of which
shall together constitute one and the same instrument.  A set of counterparts
executed by all the parties hereto shall be lodged with the Borrower and the
Administrative Agent.

          13.10  Effectiveness.  This Agreement shall become effective on the
                 -------------
date (the "Effective Date") on which the Borrower, the Administrative Agent and
the Lenders shall have signed a counterpart hereof (whether the same or
different counterparts) and shall have delivered the same to the Administrative
Agent at the Notice Office or, in the case of the Lenders, shall have given to
the Administrative Agent telephonic (confirmed in writing), written or telex
notice (actually received) at such office that the same has been signed and
mailed to it.  The Administrative Agent will give the Borrower and each Lender
prompt written notice of the occurrence of the Effective Date.

          13.11  Headings Descriptive.  The headings of the several sections and
                 --------------------
subsections of this Agreement are inserted for convenience only and shall not in
any way affect the meaning or construction of any provision of this Agreement.

          13.12  Amendment or Waiver; etc.  (a)  Neither this Agreement nor any
                 -------------------------
other Credit Document nor any terms hereof or thereof may be changed, waived,
discharged or terminated unless such change, waiver, discharge or termination is
in writing signed by the respective Credit Parties party thereto and the
Required Lenders, provided that no such change, waiver, discharge or termination
                  --------
shall, without the consent of each Lender (other than a Defaulting Lender) (with
Obligations being directly affected in the case of following clause (i)), (i)
extend the final scheduled maturity of any Loan or Note or extend the stated
expiration date of any Letter of Credit beyond the Revolving Loan Maturity Date
(it being understood that any amendment, modification or waiver to the proviso
in the definitions of B Term Loan Maturity Date, Multiple Draw A Term Loan
Maturity Date and Revolving Loan Maturity Date which extends any such Maturity
Date beyond May 9, 2000 but not beyond the later date set forth in such
definitions shall be permitted with the consent of only the Required Lenders),
or reduce the rate or extend the time of payment of interest or Fees thereon, or
reduce the principal amount thereof (except in connection with a waiver of
applicability of any post-default increase in interest rates) (it being
understood that any amendment or modification to the financial definitions in
this Agreement or to Section 13.07(a) shall not constitute a reduction in the
rate of interest or Fees for the purposes of this clause (i)), (ii) release all
or substantially all of the Collateral (except as expressly provided in the
Credit Documents), (iii) amend, modify or waive any provision of this Section
13.12 (except for technical amendments with respect to additional extensions of
credit of the type which afford the protections to such additional extensions of
credit provided to the Term Loans and Revolving Loan Commitments on the
Effective Date), (iv) reduce the percentage specified in the definition of
Required Lenders (it being understood that, with the consent of the Required
Lenders, additional extensions of credit pursuant to this

                                     -123-
<PAGE>

Agreement may be included in the determination of the Required Lenders on
substantially the same basis as the Term Loans and Revolving Loan Commitments
are included on the Effective Date) or (v) consent to the assignment or transfer
by the Borrower of any of its rights and obligations under this Agreement;
provided further, that no such change, waiver, discharge or termination shall
- ----------------
(1) increase the Commitments of any Lender over the amount thereof then in
effect without the consent of such Lender (it being understood that waivers or
modifications of conditions precedent, covenants, Defaults or Events of Default
or of a mandatory reduction in the Total Commitment shall not constitute an
increase of the Commitments of any Lender, and that an increase in the available
portion of any Commitments of any Lender shall not constitute an increase of the
Commitments of such Lender), (2) without the consent of the Issuing Lender,
amend, modify or waive any provision of Section 2 or alter its rights or
obligations with respect to Letters of Credit, (3) without the consent of the
Swingline Lender, alter the Swingline Lender's rights or obligations with
respect to Swingline Loans, (4) without the consent of the Administrative Agent,
amend, modify or waive any provision of Section 12 or any other provision as
same relates to the rights or obligations of the Administrative Agent, (5)
without the consent of the Collateral Agent, amend, modify or waive any
provision relating to the rights or obligations of the Collateral Agent, (6)
except in cases where additional extensions of term loans are being afforded
substantially the same treatment afforded to the Term Loans pursuant to this
Agreement as originally in effect, without the consent of the Majority Lenders
of each Tranche which is being allocated a lesser prepayment, repayment or
commitment reduction as a result of the actions described below (or without the
consent of the Majority Lenders of each Tranche in the case of an amendment to
the definition of Majority Lenders), amend the definition of Majority Lenders or
alter the required application of any prepayments or repayments (or commitment
reduction), as between the various Tranches, pursuant to Section 4.01(a) or 4.02
(excluding Section 4.02(b)) (although the Required Lenders may waive, in whole
or in part, any such prepayment, repayment or commitment reduction, so long as
the application, as amongst the various Tranches, of any such prepayment,
repayment or commitment reduction which is still required to be made is not
altered), or (7) reduce the amount of, or extend the date of, any Multiple Draw
A Term Loan Scheduled Repayment without the consent of Supermajority Lenders
holding Multiple Draw A Term Loans, or reduce the amount, or extend the date of,
any B Term Loan Scheduled Repayment without the consent of the Supermajority
Lenders holding B Term Loans, or amend the definition of Supermajority Lenders
(it being understood that, with the consent of the Required Lenders, additional
extensions of credit pursuant to this Agreement may be included in the
determination of the Supermajority Lenders on substantially the same basis as
the extensions of Term Loans and Revolving Loan Commitments are included on the
Effective Date) without the consent of the Supermajority Lenders holding both
Multiple Draw A Term Loans and B Term Loans.

          (b)  If, in connection with any proposed change, waiver, discharge or
termination to any of the provisions of this Agreement as contemplated by
clauses (i) through (v), inclusive, of the first proviso to Section 13.12(a),
the consent of the Required Lenders is obtained but the consent of one or more
of such other Lenders whose consent is required is not obtained, then the
Borrower shall have the right, so long as all non-consenting Lenders whose
individual consent is required are treated as described in either clauses (A) or
(B) below, to either (A) replace each such non-consenting Lender or Lenders with
one or more Replacement Lenders pursuant to

                                     -124-
<PAGE>

Section 1.13 so long as at the time of such replacement, each such Replacement
Lender consents to the proposed change, waiver, discharge or termination or (B)
terminate such non-consenting Lender's Commitments and/or repay the outstanding
Loans of such Lender and cash collateralize its applicable RL Percentage of the
Letter of Credit Outstandings in accordance with Sections 3.02(d) and 4.01(b),
provided that, unless the Commitments that are terminated, and Loans repaid,
- --------
pursuant to preceding clause (B) are immediately replaced in full at such time
through the addition of new Lenders or the increase of the Commitments and/or
outstanding Loans of existing Lenders (who in each case must specifically
consent thereto), then in the case of any action pursuant to preceding clause
(B) the Required Lenders (determined after giving effect to the proposed action)
shall specifically consent thereto, provided further, that in any event the
                                    ----------------
Borrower shall not have the right to replace a Lender, terminate its Commitments
or repay its Loans solely as a result of the exercise of such Lender's rights
(and the withholding of any required consent by such Lender) pursuant to the
second proviso to Section 13.12(a).

          13.13  Survival.  All indemnities set forth herein including, without
                 --------
limitation, in Sections 1.10, 1.11, 2.06, 4.04, 12.06 and 13.01 shall survive
the execution, delivery and termination of this Agreement and the Notes and the
making and repayment of the Obligations.

          13.14  Domicile of Loans.  Each Lender may transfer and carry its
                 -----------------
Loans at, to or for the account of any office, Subsidiary or Affiliate of such
Lender.  Notwithstanding anything to the contrary contained herein, to the
extent that a transfer of Loans pursuant to this Section 13.14 would, at the
time of such transfer, result in increased costs under Section 1.10, 1.11, 2.06
or 4.04 from those being charged by the respective Lender prior to such
transfer, then the Borrower shall not be obligated to pay such increased costs
(although the Borrower shall be obligated to pay any other increased costs of
the type described above resulting from changes after the date of the respective
transfer).

          13.15  Register.  The Borrower hereby designates the Administrative
                 --------
Agent to serve as the Borrower's agent, solely for purposes of this Section
13.15, to maintain a register (the "Register") on which it will record the
Commitments from time to time of each of the Lenders, the Loans made by each of
the Lenders and each repayment in respect of the principal amount of the Loans
of each Lender.  Failure to make any such recordation, or any error in such
recordation shall not affect the Borrower's obligations in respect of such
Loans.  With respect to any Lender, the transfer of the Commitments of such
Lender and the rights to the principal of, and interest on, any Loan made
pursuant to such Commitments shall not be effective until such transfer is
recorded on the Register maintained by the Administrative Agent with respect to
ownership of such Commitments and Loans and prior to such recordation all
amounts owing to the transferor with respect to such Commitments and Loans shall
remain owing to the transferor.  The registration of assignment or transfer of
all or part of any Commitments and Loans shall be recorded by the Administrative
Agent on the Register only upon the acceptance by the Administrative Agent of a
properly executed and delivered Assignment and Assumption Agreement pursuant to
Section 13.04(b).  Coincident with the delivery of such an Assignment and
Assumption Agreement to the Administrative Agent for acceptance and registration
of assignment or transfer of all or part of a Loan, or as soon thereafter as
practicable, the assigning or transferor Lender shall surrender the Note
evidencing such Loan, and thereupon one or more

                                     -125-
<PAGE>

new Notes in the same aggregate principal amount shall be issued to the
assigning or transferor Lender and/or the new Lender. The Borrower agrees to
indemnify the Administrative Agent from and against any and all losses, claims,
damages and liabilities of whatsoever nature which may be imposed on, asserted
against or incurred by the Administrative Agent in performing its duties under
this Section 13.15.

          13.16  Confidentiality.  (a)  Subject to the provisions of clause (b)
                 ---------------
of this Section 13.16, each Agent and each Lender agrees that it will use its
reasonable efforts not to disclose without the prior consent of the Borrower
(other than to its employees, auditors, advisors or counsel or to another Agent
or Lender if such Agent or Lender or such Agent's or Lender's holding or parent
company in its sole discretion determines that any such party should have access
to such information, provided such Persons shall be subject to the provisions of
this Section 13.16 to the same extent as such Agent or Lender) any information
with respect to the Borrower or any of its Subsidiaries which is now or in the
future furnished pursuant to this Agreement or any other Credit Document and
which is designated by the Borrower to the Agents and Lenders in writing as
confidential, provided that any Agent or Lender may disclose any such
              --------
information (i) as has become generally available to the public other than by
virtue of a breach of this Section 13.16(a) by the respective Agent or Lender,
(ii) as may be required or appropriate in any report, statement or testimony
submitted to any municipal, state or Federal regulatory body having or claiming
to have jurisdiction over such Agent or Lender or to the Federal Reserve Board
or the Federal Deposit Insurance Corporation or similar organizations (whether
in the United States or elsewhere) or their successors, (iii) as may be required
or appropriate in respect to any summons or subpoena or in connection with any
litigation, (iv) in order to comply with any law, order, regulation or ruling
applicable to such Agent or Lender, (v) to the Administrative Agent or the
Collateral Agent and (vi) to any prospective or actual transferee or participant
in connection with any contemplated transfer or participation of any of the
Notes or Commitments or any interest therein by such Lender, provided that such
                                                             --------
prospective transferee or participant agrees to be bound by the confidentiality
provisions contained in this Section 13.16.

          (b)  The Borrower hereby acknowledges and agrees that each Agent and
each Lender may share with any of its affiliates any information related to the
Borrower or any of its Subsidiaries (including, without limitation, any
nonpublic customer information regarding the creditworthiness of the Borrower
and its Subsidiaries), provided such Persons shall be subject to the provisions
of this Section 13.16 to the same extent as such Agent or Lender.

                                *      *      *

                                     -126-
<PAGE>

          IN WITNESS WHEREOF, the parties hereto have caused their duly
authorized officers to execute and deliver this Agreement as of the date first
above written.

Address:
- -------

                                     IDT CORPORATION
190 Main Street
Hackensack, New Jersey  07601
Telephone: (201) 928-4425
Telecopier: (201) 928-2952           By:  /s/  Joyce J. Mason
Attention: Chief Financial Officer        -----------------------------
                                          Name:  Joyce J. Mason
                                          Title:  Secretary

                                     BANKERS TRUST COMPANY,
                                      Individually, and as Administrative Agent,
                                      Lead Arranger and Bookrunner

                                     By:  /s/  Patricia Hogan
                                          -----------------------------
                                          Name:  Patricia Hogan
                                          Title: Principal

                                     CIBC WORLD MARKETS CORP.,
                                      as Syndication Agent and Co-Arranger

                                     By:  /s/ Louise Bell
                                          -----------------------------
                                          Name: Louise Bell
                                          Title: Executive Director

                              CANADIAN IMPERIAL BANK OF COMMERCE


                                     By:  /s/ Louise Bell
                                          -----------------------------
                                          Name: Louise Bell
                                          Title: Executive Director, CIBC
                                                 Oppenheimer Corp., as Agent

                                     -127-
<PAGE>

                                                                     Schedule XI
                                                                         Page ii


                              LEHMAN COMMERCIAL PAPER INC.,
                               as Documentation
                               Agent and Co-Arranger

                              By:  /s/ Bill Gallagher
                                   ---------------------------
                                   Name:  Bill Gallagher
                                   Title:  Vice President


                              SYNDICATED LOAN FUNDING TRUST


                              By:  Lehman Commercial Paper Inc., not in its
                                   individual capacity but solely as Asset
                                   Manager

                              By:  /s/ Bill Gallagher
                                   ---------------------------

                                 Name:  Bill Gallagher

                                 Title:  Vice President

                                     -128-

<PAGE>

                                                                  EXHIBIT 10.15

                                                           CONFORMED AS EXECUTED

                                PLEDGE AGREEMENT
                                ----------------

          PLEDGE AGREEMENT (as amended, modified or supplemented from time to
time, this "Agreement"), dated as of May 10, 1999, made by each of the
undersigned pledgors (each a "Pledgor" and, together with any other entity that
becomes a pledgor hereunder pursuant to Section 26 hereof, the "Pledgors") to
BANKERS TRUST COMPANY, as Collateral Agent together with any successor
Collateral Agent (the "Pledgee"), for the benefit of the Secured Creditors (as
defined below).  Except as otherwise defined herein, capitalized terms used
herein and defined in the Credit Agreement (as defined below) shall be used
herein as therein defined.

                             W I T N E S S E T H :
                             -------------------

          WHEREAS, IDT Corporation (the "Borrower"), the lenders from time to
time party thereto (the "Lenders"), Lehman Commercial Paper Inc., as
Documentation Agent, CIBC World Markets Corp., as Syndication Agent, and Bankers
Trust Company, as Administrative Agent (together with any successor
Administrative Agent, the "Administrative Agent"), have entered into a Credit
Agreement, dated as of May 10, 1999 (as amended, modified or supplemented from
time to time, the "Credit Agreement"), providing for the making of Loans to, and
the issuance of Letters of Credit for the account of, the Borrower as
contemplated therein (the Lenders, the Administrative Agent, the Issuing Lender
and the Pledgee are herein called the "Lender Creditors");

          WHEREAS, the Borrower may at any time and from time to time enter into
one or more Interest Rate Protection Agreements or Other Hedging Agreements with
one or more Lenders or any affiliate thereof (each such Lender or affiliate,
even if the respective Lender subsequently ceases to be a Lender under the
Credit Agreement for any reason, together with such Lender's or affiliate's
successors and assigns, if any, collectively, the "Other Creditors," and
together with the Lender Creditors, the "Secured Creditors");

          WHEREAS, pursuant to the Subsidiaries Guaranty, each Subsidiary
Guarantor has jointly and severally guaranteed to the Secured Creditors the
payment when due of all Guaranteed Obligations as described therein;

          WHEREAS, it is a condition to the making of Loans to, and the issuance
of Letters of Credit for the account of, the Borrower under the Credit Agreement
that each Pledgor shall have executed and delivered to the Pledgee this
Agreement; and

          WHEREAS, each Pledgor desires to enter into this Agreement in order to
satisfy the condition described in the preceding paragraph;
<PAGE>

          NOW, THEREFORE, in consideration of the foregoing and other benefits
accruing to each Pledgor, the receipt and sufficiency of which are hereby
acknowledged, each Pledgor hereby makes the following representations and
warranties to the Pledgee for the benefit of the Secured Creditors and hereby
covenants and agrees with the Pledgee for the benefit of the Secured Creditors
as follows:

          1.  SECURITY FOR OBLIGATIONS.  This Agreement is made by each Pledgor
for the benefit of the Secured Creditors to secure:

           (i) the full and prompt payment when due (whether at the stated
     maturity, by acceleration or otherwise) of all obligations and indebtedness
     (including, without limitation, indemnities, Fees and interest thereon) of
     such Pledgor to the Lender Creditors, whether now existing or hereafter
     incurred under, arising out of, or in connection with the Credit Agreement
     and the other Credit Documents to which such Pledgor is a party (including
     all such obligations and indebtedness of such Pledgor under the
     Subsidiaries Guaranty) and the due performance and compliance by such
     Pledgor with all of the terms, conditions and agreements contained in the
     Credit Agreement and in such other Credit Documents (all such obligations
     and liabilities under this clause (i), except to the extent consisting of
     obligations or indebtedness with respect to Interest Rate Protection
     Agreements or Other Hedging Agreements, being herein collectively called
     the "Credit Document Obligations");

           (ii) the full and prompt payment when due (whether at the stated
     maturity, by acceleration or otherwise) of all obligations and liabilities
     owing by such Pledgor to the Other Creditors under, or with respect to
     (including by reason of the Subsidiaries Guaranty), any Interest Rate
     Protection Agreement or Other Hedging Agreement, whether such Interest Rate
     Protection Agreement or Other Hedging Agreement is now in existence or
     hereafter arising, and the due performance and compliance by such Pledgor
     with all of the terms, conditions and agreements contained therein (all
     such obligations and liabilities described in this clause (ii) being herein
     collectively called the "Other Obligations");

           (iii)  any and all sums advanced by the Pledgee in order to preserve
     the Collateral (as hereinafter defined) or preserve its security interest
     in the Collateral;

           (iv) in the event of any proceeding for the collection or enforcement
     of any indebtedness, obligations or liabilities of such Pledgor referred to
     in clauses (i), (ii) and (iii) above, after an Event of Default (which term
     to mean and include any Event of Default under, and as defined in, the
     Credit Agreement or any payment default by the Borrower under any Interest
     Rate Protection Agreement or Other Hedging Agreement and shall, in any
     event, include, without limitation, any payment default on any of the
     Obligations (as hereinafter defined)) shall have occurred and be
     continuing, the reasonable expenses of retaking, holding, preparing for
     sale or lease, selling or otherwise disposing of or realizing on the
     Collateral, or of any exercise by the Pledgee of its rights hereunder,
     together with reasonable attorneys' fees and court costs; and

                                       2
<PAGE>

           (v) all amounts paid by any Secured Creditor as to which such Secured
     Creditor has the right to reimbursement under Section 11 of this Agreement;

all such obligations, liabilities, sums and expenses set forth in clauses (i)
through (v) of this Section 1 being herein collectively called the
"Obligations," it being acknowledged and agreed that the "Obligations" shall
include extensions of credit of the types described above, whether outstanding
on the date of this Agreement or extended from time to time after the date of
this Agreement.

          2.  DEFINITIONS.  (a)  Unless otherwise defined herein, all
capitalized terms used herein and defined in the Credit Agreement shall be used
herein as therein defined.  Reference to singular terms shall include the plural
and vice versa.

          (b) The following capitalized terms used herein shall have the
definitions specified below:

          "Administrative Agent" has the meaning set forth in the Recitals
           --------------------
hereto.

          "Adverse Claim" has the meaning given such term in Section 8-102(a)(1)
           -------------
of the UCC.

          "Agreement" has the meaning set forth in the first paragraph hereof.
           ---------

          "Certificated Security" has the meaning given such term in Section 8-
           ---------------------
102(a)(4) of the UCC.

          "Class" has the meaning set forth in Section 23 hereof.
           -----

          "Clearing Corporation" has the meaning given such term in Section 8-
           --------------------
102(a)(5) of the UCC.

          "Collateral" has the meaning set forth in Section 3.1 hereof.
           ----------

          "Collateral Accounts" means any and all accounts established and
           -------------------
maintained by the Pledgee in the name of any Pledgor to which Collateral may be
credited.

          "Credit Agreement" has the meaning set forth in the Recitals hereto.
           ----------------

          "Credit Document Obligations" has the meaning set forth in Section 1
           ---------------------------
hereof.

          "Domestic Corporation" has the meaning set forth in the definition of
           --------------------
"Stock."

          "Event of Default" has the meaning set forth in Section 1 hereof.
           ----------------

          "Financial Asset" has the meaning given such term in Section 8-
           ---------------
102(a)(9) of the UCC.

                                       3
<PAGE>

          "Foreign Corporation" has the meaning set forth in the definition of
           -------------------
"Stock."

          "Indemnitees" has the meaning set forth in Section 11 hereof.
           -----------

          "Instrument" has the meaning given such term in Section 9-105(1)(i) of
           ----------
the UCC.

          "Investment Property" has the meaning given such term in Section 9-
           -------------------
115(f) of the UCC.

          "Lender Creditors" has the meaning set forth in the Recitals hereto.
           ----------------

          "Lenders" has the meaning set forth in the Recitals hereto.
           -------

          "Limited Liability Company Assets" means all assets, whether tangible
           --------------------------------
or intangible and whether real, personal or mixed (including, without
limitation, all limited liability company capital and interest in other limited
liability companies), at any time owned or represented by any Limited Liability
Company Interest.

          "Limited Liability Company Interests" means the entire limited
           -----------------------------------
liability company membership interest at any time owned by any Pledgor in any
limited liability company.

          "Non-Voting Stock" means all capital stock which is not Voting Stock.
           ----------------

          "Notes" means all promissory notes from time to time issued to, or
           -----
held by, each Pledgor (including each Intercompany Note), but excluding those
notes evidencing the "Loans to Individuals" as set forth on Schedule X to the
Credit Agreement.

          "Obligations" has the meaning set forth in Section 1 hereof.
           -----------

          "Other Creditors" has the meaning set forth in the Recitals hereto.
           ---------------

          "Other Obligations" has the meaning set forth in Section 1 hereof.
           -----------------

          "Partnership Assets" means all assets, whether tangible or intangible
           ------------------
and whether real, personal or mixed (including, without limitation, all
partnership capital and interest in other partnerships), at any time owned or
represented by any Partnership Interest.

          "Partnership Interest" means the entire general partnership interest
           --------------------
or limited partnership interest at any time owned by any Pledgor in any general
partnership or limited partnership.

          "Pledged Notes" has the meaning set forth in Section 3.5 hereof.
           -------------

          "Pledgee" has the meaning set forth in the first paragraph hereof.
           -------

          "Pledgor" has the meaning set forth in the first paragraph hereof.
           -------

          "Proceeds" has the meaning given such term in Section 9-306(l) of the
           --------
UCC.

                                       4
<PAGE>

          "Required Lenders" has the meaning given such term in the Credit
           ----------------
Agreement.

          "Requisite Creditors" has the meaning set forth in Section 23 hereof.
           -------------------

          "Secured Creditors" has the meaning set forth in the Recitals hereto.
           -----------------

          "Secured Debt Agreements" has the meaning set forth in Section 5
           -----------------------
hereof.

          "Securities Account" has the meaning given such term in Section 8-
           ------------------
501(a) of the UCC.

          "Securities Act" means the Securities Act of 1933, as amended, as in
           --------------
effect from time to time.

          "Security" and "Securities" has the meaning given such term in Section
           --------       ----------
8-102(a)(15) of the UCC and shall in any event also include all Stock and Notes.

          "Security Entitlement" has the meaning given such term in Section 8-
           --------------------
102(a)(17) of the UCC.

          "Stock" means (x) with respect to corporations incorporated under the
           -----
laws of the United States or any State or territory thereof (each a "Domestic
Corporation"), all of the issued and outstanding shares of capital stock of any
corporation at any time owned by any Pledgor of any Domestic Corporation and (y)
with respect to corporations not Domestic Corporations (each a "Foreign
Corporation"), all of the issued and outstanding shares of capital stock at any
time owned by any Pledgor of any Foreign Corporation.

          "Termination Date" has the meaning set forth in Section 21 hereof.
           ----------------

          "UCC" means the Uniform Commercial Code as in effect in the State of
           ---
New York from time to time; provided that all references herein to specific
                            --------
sections or subsections of the UCC are references to such sections or
subsections, as the case may be, of the Uniform Commercial Code as in effect in
the State of New York on the date hereof.

          "Uncertificated Security" has the meaning given such term in Section
           -----------------------
8-102(a)(18) of the UCC.

          "Voting Stock" means all classes of capital stock of any Foreign
           ------------
Corporation entitled to vote.

          3.  PLEDGE OF SECURITIES, ETC.

          3.1  Pledge.  To secure the Obligations now or hereafter owed or to be
               ------
performed by such Pledgor, each Pledgor does hereby grant, pledge and assign to
the Pledgee for the benefit of the Secured Creditors, and does hereby create a
continuing security interest in favor of the Pledgee for the benefit of the
Secured Creditors in, all of the right, title and interest in and to the

                                       5
<PAGE>

following, whether now existing or hereafter from time to time acquired
(collectively, the "Collateral"):

          (a) each of the Collateral Accounts, including any and all assets of
     whatever type or kind deposited by such Pledgor in such Collateral Account,
     whether now owned or hereafter acquired, existing or arising, including,
     without limitation, all Financial Assets, Investment Property, moneys,
     checks, drafts, Instruments, Securities or interests therein of any type or
     nature deposited or required by the Credit Agreement or any other Secured
     Debt Agreement to be deposited in such Collateral Account, and all
     investments and all certificates and other Instruments (including
     depository receipts, if any) from time to time representing or evidencing
     the same, and all dividends, interest, distributions, cash and other
     property from time to time received, receivable or otherwise distributed in
     respect of or in exchange for any or all of the foregoing;

          (b) all Securities owned by such Pledgor from time to time and all
     options or warrants owned by such Pledgor from time to time to purchase
     Securities;

          (c) all Limited Liability Company Interests owned by such Pledgor from
     time to time and all of its right, title and interest in each limited
     liability company to which each such interest relates, whether now existing
     or hereafter acquired, including, without limitation:

               (A) all the capital thereof and its interest in all profits,
          losses, Limited Liability Company Assets and other distributions to
          which such Pledgor shall at any time be entitled in respect of such
          Limited Liability Company Interests;

               (B) all other payments due or to become due to such Pledgor in
          respect of Limited Liability Company Interests, whether under any
          limited liability company agreement or otherwise, whether as
          contractual obligations, damages, insurance proceeds or otherwise;

               (C) all of its claims, rights, powers, privileges, authority,
          options, security interests, liens and remedies, if any, under any
          limited liability company agreement or operating agreement, or at law
          or otherwise in respect of such Limited Liability Company Interests;

               (D) all present and future claims, if any, of such Pledgor
          against any such limited liability company for moneys loaned or
          advanced, for services rendered or otherwise;

               (E) all of such Pledgor's rights under any limited liability
          company agreement or operating agreement or at law to exercise and
          enforce every right, power, remedy, authority, option and privilege of
          such Pledgor relating to such Limited Liability Company Interests,
          including any power to terminate, cancel or modify any limited
          liability company agreement or operating agreement, to execute any
          instruments and to take any and all other action on behalf of and in

                                       6
<PAGE>

          the name of any of such Pledgor in respect of such Limited Liability
          Company Interests and any such limited liability company, to make
          determinations, to exercise any election (including, but not limited
          to, election of remedies) or option or to give or receive any notice,
          consent, amendment, waiver or approval, together with full power and
          authority to demand, receive, enforce, collect or receipt for any of
          the foregoing or for any Limited Liability Company Asset, to enforce
          or execute any checks, or other instruments or orders, to file any
          claims and to take any action in connection with any of the foregoing;
          and

               (F) all other property hereafter delivered in substitution for or
          in addition to any of the foregoing, all certificates and instruments
          representing or evidencing such other property and all cash,
          securities, interest, dividends, rights and other property at any time
          and from time to time received, receivable or otherwise distributed in
          respect of or in exchange for any or all thereof;

          (d) all Partnership Interests owned by such Pledgor from time to time
     and all of its right, title and interest in each partnership to which each
     such interest relates, whether now existing or hereafter acquired,
     including, without limitation:

               (A) all the capital thereof and its interest in all profits,
          losses, Partnership Assets and other distributions to which such
          Pledgor shall at any time be entitled in respect of such Partnership
          Interests;

               (B) all other payments due or to become due to such Pledgor in
          respect of Partnership Interests, whether under any partnership
          agreement or otherwise, whether as contractual obligations, damages,
          insurance proceeds or otherwise;

               (C) all of its claims, rights, powers, privileges, authority,
          options, security interests, liens and remedies, if any, under any
          partnership agreement or operating agreement, or at law or otherwise
          in respect of such Partnership Interests;

               (D) all present and future claims, if any, of such Pledgor
          against any such partnership for moneys loaned or advanced, for
          services rendered or otherwise;

               (E) all of such Pledgor's rights under any partnership agreement
          or operating agreement or at law to exercise and enforce every right,
          power, remedy, authority, option and privilege of such Pledgor
          relating to such Partnership Interests, including any power to
          terminate, cancel or modify any partnership agreement or operating
          agreement, to execute any instruments and to take any and all other
          action on behalf of and in the name of any of such Pledgor in respect
          of such Partnership Interests and any such partnership, to make
          determinations, to exercise any election (including, but not limited
          to, election of remedies) or option or to give or receive any notice,
          consent, amendment, waiver or approval, together with full power and
          authority to demand, receive, enforce, collect or receipt for

                                       7
<PAGE>

          any of the foregoing or for any Partnership Asset, to enforce or
          execute any checks, or other instruments or orders, to file any claims
          and to take any action in connection with any of the foregoing and

               (F) all other property hereafter delivered in substitution for or
          in addition to any of the foregoing, all certificates and instruments
          representing or evidencing such other property and all cash,
          securities, interest, dividends, rights and other property at any time
          and from time to time received, receivable or otherwise distributed in
          respect of or in exchange for any or all thereof;

          (e) all Security Entitlements owned by such Pledgor from time to time
     in any and all of the foregoing;

          (f) all Financial Assets and Investment Property owned by such Pledgor
     from time to time; and

          (g) all Proceeds of any and all of the foregoing.

          Notwithstanding anything to the contrary contained (A) in this Section
3.1, (x) except as otherwise provided in Section 8.18 of the Credit Agreement,
no Pledgor (to the extent that it is the Borrower or a Domestic Subsidiary of
the Borrower) shall be required at any time to pledge hereunder more than 65% of
the Voting Stock of any Foreign Corporation and (y) each Pledgor shall be
required to pledge hereunder 100% of any Non-Voting Stock at any time and from
time to time acquired by such Pledgor of any Foreign Corporation and (B) in this
Agreement, (x) those items of Collateral listed on Schedule XI to the Credit
Agreement are not required to be delivered to the Pledgee until 30 days after
the date hereof and (y) the Borrower shall have until 90 days after the date
hereof to take all actions as may have been requested by the Pledgee with
respect to the Pledged Stock of the Foreign Subsidiaries of the Borrower listed
on Annex B hereto (and all of the representations and warranties set forth
herein are modified accordingly until such items of Collateral have been so
delivered or such other actions have been taken), it being understood that the
requirement to deliver the Notes set forth in such Schedule XI is subject to the
terms of the proviso to clause (I) of Section 8.17(i) of the Credit Agreement.

          3.2  Procedures. (a)  To the extent that any Pledgor at any time or
               ----------
from time to time owns, acquires or obtains any right, title or interest in any
Collateral, such Collateral shall automatically (and without the taking of any
action by the respective Pledgor) be pledged pursuant to Section 3.1 of this
Agreement and, in addition thereto, such Pledgor shall (to the extent provided
below) take the following actions as set forth below (as promptly as practicable
and, in any event, within 10 days after it obtains such Collateral) for the
benefit of the Pledgee and the Secured Creditors:

           (i) with respect to a Certificated Security (other than a
     Certificated Security credited on the books of a Clearing Corporation), the
     respective Pledgor shall deliver such Certificated Security to the Pledgee,
     indorsed to the Pledgee or indorsed in blank;

                                       8
<PAGE>

           (ii) with respect to an Uncertificated Security (other than an
     Uncertificated Security credited on the books of a Clearing Corporation),
     the respective Pledgor shall cause the issuer of such Uncertificated
     Security (or, in the case of an issuer that is not a Subsidiary of such
     Pledgor, will use its best efforts to cause such issuer) to duly authorize
     and execute, and deliver to the Pledgee, an agreement for the benefit of
     the Pledgee and the Secured Creditors substantially in the form of Annex G
     hereto (appropriately completed to the reasonable satisfaction of the
     Pledgee and with such modifications, if any, as shall be reasonably
     satisfactory to the Pledgee) pursuant to which such issuer agrees to comply
     with any and all instructions originated by the Pledgee without further
     consent by the registered owner and not to comply with instructions
     regarding such Uncertificated Security (and any Partnership Interests and
     Limited Liability Company Interests issued by such issuer) originated by
     any other Person other than a court of competent jurisdiction;

           (iii)  with respect to a Certificated Security, Uncertificated
     Security, Partnership Interest or Limited Liability Company Interest
     credited on the books of a Clearing Corporation (including a Federal
     Reserve Bank, Participants Trust Company or The Depository Trust Company),
     the respective Pledgor shall promptly notify the Pledgee thereof and shall
     promptly take all actions required (i) to comply with the applicable rules
     of such Clearing Corporation and (ii) to perfect the security interest of
     the Pledgee under applicable law (including, in any event, under Sections
     9-115 (4)(a) and (b), 9-115 (1)(e) and 8-106 (d) of the UCC).  The Pledgor
     further agrees to take such actions as the Pledgee deems reasonably
     necessary or desirable to effect the foregoing;

           (iv) with respect to a Partnership Interest or a Limited Liability
     Company Interest (other than (x) a Partnership Interest or Limited
     Liability Interest credited on the books of a Clearing Corporation or (y) a
     Limited Liability Company Interest of an Inactive Subsidiary to the extent
     that same remains an "Inactive Subsidiary"), (1) if such Partnership
     Interest or Limited Liability Company Interest is represented by a
     certificate, the procedure set forth in Section 3.2(a)(i) hereof, and (2)
     if such Partnership Interest or Limited Liability Company Interest is not
     represented by a certificate, the procedure set forth in Section 3.2(a)(ii)
     hereof;

           (v) with respect to any Note, delivery of such Note to the Pledgee,
     indorsed to the Pledgee or indorsed in blank; and

           (vi) with respect to cash, (i) establishment by the Pledgee of a cash
     account in the name of such Pledgor over which the Pledgee shall have
     exclusive and absolute control and dominion (and no withdrawals or
     transfers may be made therefrom by any Person except with the prior written
     consent of the Pledgee) and (ii) deposit of such cash in such cash account.

          (b) In addition to the actions required to be taken pursuant to
proceeding Section 3.2(a) hereof, each Pledgor shall take the following
additional actions with respect to the Securities and Collateral :

                                       9
<PAGE>

           (i) with respect to all Collateral of such Pledgor whereby or with
     respect to which the Pledgee may obtain "control" thereof within the
     meaning of Section 8-106 of the UCC (or under any provision of the UCC as
     same may be amended or supplemented from time to time, or under the laws of
     any relevant State other than the State of New York), the respective
     Pledgor shall take all actions as may be reasonably requested from time to
     time by the Pledgee so that "control" of such Collateral is obtained and at
     all times held by the Pledgee; and

           (ii) each Pledgor shall from time to time cause appropriate financing
     statements (on Form UCC-1 or other appropriate form) under the Uniform
     Commercial Code as in effect in the various relevant States, on form
     covering all Collateral hereunder (with the form of such financing
     statements to be satisfactory to the Pledgee), to be filed in the relevant
     filing offices so that at all times the Pledgee has a security interest in
     all Investment Property and other Collateral which is perfected by the
     filing of such financing statements (in each case to the maximum extent
     perfection by filing may be obtained under the laws of the relevant States,
     including, without limitation, Section 9-115(4)(b) of the UCC).

          3.3  Subsequently Acquired Collateral.  If any Pledgor shall acquire
               --------------------------------
(by purchase, stock dividend or otherwise) any additional Collateral at any time
or from time to time after the date hereof, such Collateral shall automatically
(and without any further action being required to be taken) be subject to the
pledge and security interests created pursuant to Section 3.1 hereof and,
furthermore, the Pledgor will promptly thereafter take (or cause to be taken)
all action with respect to such Collateral in accordance with the procedures set
forth in Section 3.2 hereof, and will promptly thereafter deliver to the Pledgee
(i) a certificate executed by a principal executive officer of such Pledgor
describing such Collateral and certifying that the same has been duly pledged in
favor of the Pledgee (for the benefit of the Secured Creditors) hereunder and
(ii) supplements to Annexes A through F hereto as are reasonably necessary to
cause such annexes to be complete and accurate at such time.  Without limiting
the foregoing, each Pledgor shall be required to pledge hereunder any shares of
stock at any time and from time to time after the date hereof acquired by such
Pledgor of any Foreign Corporation, provided that (x) except as provided in
Section 8.18 of the Credit Agreement, no Pledgor (to the extent that it is the
Borrower or a Domestic Subsidiary of the Borrower) shall be required at any time
to pledge hereunder more than 65% of the Voting Stock of any Foreign Corporation
and (y) each Pledgor shall be required to pledge hereunder 100% of any Non-
Voting Stock at any time and from time to time acquired by such Pledgor of any
Foreign Corporation.

          3.4  Transfer Taxes.  Each pledge of Collateral under Section 3.1 or
               --------------
Section 3.3 hereof shall be accompanied by any transfer tax stamps required in
connection with the pledge of such Collateral.

          3.5  Definition of Pledged Notes.  All Notes at any time pledged or
               ---------------------------
required to be pledged hereunder are hereinafter called the "Pledged Notes".

                                       10
<PAGE>

          3.6  Certain Representations and Warranties Regarding the Collateral.
               ---------------------------------------------------------------
Each Pledgor represents and warrants that on the date hereof (i) each Subsidiary
of such Pledgor, and the direct ownership thereof, is listed in Annex A hereto;
(ii) the Stock (and any warrants or options to purchase Stock) held by such
Pledgor consists of the number and type of shares of the stock (or warrants or
options to purchase any stock) of the corporations as described in Annex B
hereto; (iii) such Stock constitutes that percentage of the issued and
outstanding capital stock of the issuing corporation as is set forth in Annex B
hereto; (iv) the Notes held by such Pledgor consist of the promissory notes
described in Annex C hereto where such Pledgor is listed as the lender; (v) the
Limited Liability Company Interests held by such Pledgor consist of the number
and type of interests of the Persons described in Annex D hereto; (vi) each such
Limited Liability Company Interest constitutes that percentage of the issued and
outstanding equity interest of the issuing Person as set forth in Annex D
hereto; (vii) the Partnership Interests held by such Pledgor consist of the
number and type of interests of the Persons described in Annex E hereto; (viii)
each such Partnership Interest constitutes that percentage or portion of the
entire partnership interest of the Partnership as set forth in Annex E hereto;
(ix) the Pledgor has complied with the respective procedure set forth in Section
3.2(a) hereof with respect to each item of Collateral described in Annexes A
through E hereto; and (x) on the date hereof, such Pledgor owns no other
Securities, Limited Liability Company Interests or Partnership Interests.

          4.  APPOINTMENT OF SUB-AGENTS; ENDORSEMENTS, ETC.  If and to the
extent necessary to enable the Pledgee to perfect its security interest in any
of the Collateral or to exercise any of its remedies hereunder, the Pledgee
shall have the right to appoint one or more sub-agents for the purpose of
retaining physical possession of the Collateral, which may be held (in the
discretion of the Pledgee) in the name of the relevant Pledgor, endorsed or
assigned in blank or in favor of the Pledgee or any nominee or nominees of the
Pledgee or a sub-agent appointed by the Pledgee.

          5.  VOTING, ETC., WHILE NO EVENT OF DEFAULT.  Unless and until there
shall have occurred and be continuing an Event of Default, each Pledgor shall be
entitled to exercise any and all voting and other consensual rights pertaining
to the Collateral owned by it, and to give consents, waivers or ratifications in
respect thereof; provided, that, in each case, no vote shall be cast or any
                 --------
consent, waiver or ratification given or any action taken or omitted to be taken
which would violate or be inconsistent with any of the terms of this Agreement,
the Credit Agreement, any other Credit Document or any Interest Rate Protection
Agreement or Other Hedging Agreement (collectively, the "Secured Debt
Agreements"), or which would have the effect of impairing the value of the
Collateral or any part thereof in any material respect or the position or
interests of the Pledgee or any other Secured Creditor in the Collateral in any
material respect.  All such rights of each Pledgor to vote and to give consents,
waivers and ratifications shall cease in case an Event of Default has occurred
and is continuing, and Section 7 hereof shall become applicable.

          6.  DIVIDENDS AND OTHER DISTRIBUTIONS.  Unless and until there shall
have occurred and be continuing an Event of Default, all cash dividends, cash
distributions, cash Proceeds and other cash amounts payable in respect of the
Collateral shall be paid to the

                                       11
<PAGE>

respective Pledgor. The Pledgee shall be entitled to receive directly, and to
retain as part of the Collateral:

           (i) all other or additional stock, notes, limited liability company
     interests, partnership interests, instruments or other securities or
     property (including, but not limited to, cash dividends other than as set
     forth above) paid or distributed by way of dividend or otherwise in respect
     of the Collateral;

           (ii) all other or additional stock, notes, limited liability company
     interests, partnership interests, instruments or other securities or
     property (including, but not limited to, cash) paid or distributed in
     respect of the Collateral by way of stock-split, spin-off, split-up,
     reclassification, combination of shares or similar rearrangement; and

           (iii)  all other or additional stock, notes, limited liability
     company interests, partnership interests, instruments or other securities
     or property (including, but not limited to, cash) which may be paid in
     respect of the Collateral by reason of any consolidation, merger, exchange
     of stock, conveyance of assets, liquidation or similar corporate
     reorganization.

Nothing contained in this Section 6 shall limit or restrict in any way the
Pledgee's right to receive proceeds of the Collateral in any form in accordance
with Section 3 of this Agreement.  All dividends, distributions or other
payments which are received by any Pledgor contrary to the provisions of this
Section 6 and Section 7 hereof shall be received in trust for the benefit of the
Pledgee, shall be segregated from other property or funds of such Pledgor and
shall be forthwith paid over to the Pledgee as Collateral in the same form as so
received (with any necessary endorsement).

          7.  REMEDIES IN CASE OF DEFAULT OR EVENT OF DEFAULT. If there shall
have occurred and be continuing an Event of Default, then and in every such
case, the Pledgee shall be entitled to exercise all of the rights, powers and
remedies (whether vested in it by this Agreement, any other Secured Debt
Agreement or by law) for the protection and enforcement of its rights in respect
of the Collateral, and the Pledgee shall be entitled to exercise all the rights
and remedies of a secured party under the Uniform Commercial Code as in effect
in any relevant jurisdiction and also shall be entitled, without limitation, to
exercise the following rights, which each Pledgor hereby agrees to be
commercially reasonable:

           (i) to receive all amounts payable in respect of the Collateral
     otherwise payable under Section 6 hereof to the respective Pledgor;

           (ii) subject to receipt of any approvals required under the
     Communications Act or the FCC Rules (as defined in the Security Agreement)
     as provided in Section 19 hereof, to transfer all or any part of the
     Collateral into the Pledgee's name or the name of its nominee or nominees;

                                       12
<PAGE>

           (iii)  to accelerate any Pledged Note which may be accelerated in
     accordance with its terms, and take any other lawful action to collect upon
     any Pledged Note (including, without limitation, to make any demand for
     payment thereon);

           (iv) subject to receipt of any approvals required under the
     Communications Act or the FCC Rules as provided in Section 19 hereof, to
     vote all or any part of the Collateral (whether or not transferred into the
     name of the Pledgee) and give all consents, waivers and ratifications in
     respect of the Collateral and otherwise act with respect thereto as though
     it were the outright owner thereof (each Pledgor hereby irrevocably
     constituting and appointing the Pledgee the proxy and attorney-in-fact of
     such Pledgor, with full power of substitution to do so);

           (v) at any time and from time to time to sell, assign and deliver, or
     grant options to purchase, all or any part of the Collateral, or any
     interest therein, at any public or private sale, without demand of
     performance, advertisement or notice of intention to sell or of the time or
     place of sale or adjournment thereof or to redeem or otherwise (all of
     which are hereby waived by each Pledgor), for cash, on credit or for other
     property, for immediate or future delivery without any assumption of credit
     risk, and for such price or prices and on such terms as the Pledgee in its
     absolute discretion may determine, provided that at least 10 days' written
                                        --------
     notice of the time and place of any such sale shall be given to the
     respective Pledgor.  The Pledgee shall not be obligated to make any such
     sale of Collateral regardless of whether any such notice of sale has
     theretofore been given.  Each Pledgor hereby waives and releases to the
     fullest extent permitted by law any right or equity of redemption with
     respect to the Collateral, whether before or after sale hereunder, and all
     rights, if any, of marshalling the Collateral and any other security for
     the Obligations or otherwise.  At any such sale, unless prohibited by
     applicable law, the Pledgee on behalf of the Secured Creditors may bid for
     and purchase all or any part of the Collateral so sold free from any such
     right or equity of redemption. Neither the Pledgee nor any other Secured
     Creditor shall be liable for failure to collect or realize upon any or all
     of the Collateral or for any delay in so doing nor shall any of them be
     under any obligation to take any action whatsoever with regard thereto; and

           (vi) to set-off any and all Collateral against any and all
     Obligations, and to withdraw any and all cash or other Collateral from any
     and all Collateral Accounts and to apply such cash and other Collateral to
     the payment of any and all Obligations.

          8.  REMEDIES, ETC., CUMULATIVE.  Each and every right, power and
remedy of the Pledgee provided for in this Agreement or in any other Secured
Debt Agreement, or now or hereafter existing at law or in equity or by statute
shall be cumulative and concurrent and shall be in addition to every other such
right, power or remedy. The exercise or beginning of the exercise by the Pledgee
or any other Secured Creditor of any one or more of the rights, powers or
remedies provided for in this Agreement or any other Secured Debt Agreement or
now or hereafter existing at law or in equity or by statute or otherwise shall
not preclude the simultaneous or later exercise by the Pledgee or any other
Secured Creditor of all such other rights, powers or remedies, and no failure or
delay on the part of the Pledgee or any other Secured Creditor to

                                       13
<PAGE>

exercise any such right, power or remedy shall operate as a waiver thereof. No
notice to or demand on any Pledgor in any case shall entitle it to any other or
further notice or demand in similar or other circumstances or constitute a
waiver of any of the rights of the Pledgee or any other Secured Creditor to any
other or further action in any circumstances without notice or demand. The
Secured Creditors agree that this Agreement may be enforced only by the action
of the Pledgee, in each case acting upon the instructions of the Required
Lenders (or, after the date on which all Credit Document Obligations have been
paid in full, the holders of at least the majority of the outstanding Other
Obligations) and that no other Secured Creditor shall have any right
individually to seek to enforce or to enforce this Agreement or to realize upon
the security to be granted hereby, it being understood and agreed that such
rights and remedies may be exercised by the Pledgee for the benefit of the
Secured Creditors upon the terms of this Agreement.

          9.  APPLICATION OF PROCEEDS.  (a)  All monies collected by the Pledgee
upon any sale or other disposition of the Collateral pursuant to the terms of
this Agreement, together with all other monies received by the Pledgee
hereunder, shall be applied in the manner provided in the Security Agreement.

          (b) It is understood and agreed that the Pledgors shall remain jointly
and severally liable to the extent of any deficiency between the amount of the
proceeds of the Collateral hereunder and the aggregate amount of the
Obligations.

          10.  PURCHASERS OF COLLATERAL.  Upon any sale of the Collateral by the
Pledgee hereunder (whether by virtue of the power of sale herein granted,
pursuant to judicial process or otherwise), the receipt of the Pledgee or the
officer making the sale shall be a sufficient discharge to the purchaser or
purchasers of the Collateral so sold, and such purchaser or purchasers shall not
be obligated to see to the application of any part of the purchase money paid
over to the Pledgee or such officer or be answerable in any way for the
misapplication or nonapplication thereof.

          11.  INDEMNITY.  Each Pledgor jointly and severally agrees (i) to
indemnify and hold harmless the Pledgee in such capacity and each other Secured
Creditor and their respective successors, assigns, employees, agents and
affiliates (individually an "Indemnitee," and collectively the "Indemnitees")
from and against any and all claims, demands, losses, judgments and liabilities
(including liabilities for penalties) of whatsoever kind or nature, and (ii) to
reimburse each Indemnitee for all reasonable costs and expenses, including
reasonable attorneys' fees, in each case growing out of or resulting from this
Agreement or the exercise by any Indemnitee of any right or remedy granted to it
hereunder or under any other Secured Debt Agreement (but excluding any claims,
demands, losses, judgments and liabilities or expenses to the extent incurred by
reason of gross negligence or willful misconduct of such Indemnitee).  In no
event shall the Pledgee be liable, in the absence of gross negligence or willful
misconduct on its part, for any matter or thing in connection with this
Agreement other than to account for monies actually received by it in accordance
with the terms hereof.  If and to the extent that the obligations of any Pledgor
under this Section 11 are unenforceable  for any reason, such Pledgor

                                       14
<PAGE>

hereby agrees to make the maximum contribution to the payment and satisfaction
of such obligations which is permissible under applicable law.

          12.  PLEDGEE NOT A PARTNER OR LIMITED LIABILITY COMPANY MEMBER.  (a)
Nothing herein shall be construed to make the Pledgee or any other Secured
Creditor liable as a member of any limited liability company or as a partner of
any partnership and neither the Pledgee nor any other Secured Creditor by virtue
of this Agreement or otherwise (except as referred to in the following sentence)
shall have any of the duties, obligations or liabilities of a member of any
limited liability company or partnership.  The parties hereto expressly agree
that, unless the Pledgee shall become the absolute owner of Collateral
consisting of a Limited Liability Company Interest or Partnership Interest
pursuant hereto, this Agreement shall not be construed as creating a partnership
or joint venture among the Pledgee, any other Secured Creditor, any Pledgor
and/or any other Person.

          (b) Except as provided in the last sentence of paragraph (a) of this
Section 12, the Pledgee, by accepting this Agreement, did not intend to become a
member of any limited liability company or a partner of any partnership or
otherwise be deemed to be a co-venturer with respect to any Pledgor, any limited
liability company, partnership and/or any other Person either before or after an
Event of Default shall have occurred.  The Pledgee shall have only those powers
set forth herein and the Secured Creditors shall assume none of the duties,
obligations or liabilities of a member of any limited liability company or as a
partner of any partnership or any Pledgor except as provided in the last
sentence of paragraph (a) of this Section 12.

          (c) The Pledgee and the other Secured Creditors shall not be obligated
to perform or discharge any obligation of any Pledgor as a result of the pledge
hereby effected.

          (d) The acceptance by the Pledgee of this Agreement, with all the
rights, powers, privileges and authority so created, shall not at any time or in
any event obligate the Pledgee or any other Secured Creditor to appear in or
defend any action or proceeding relating to the Collateral to which it is not a
party, or to take any action hereunder or thereunder, or to expend any money or
incur any expenses or perform or discharge any obligation, duty or liability
under the Collateral.

          13.  FURTHER ASSURANCES; POWER-OF-ATTORNEY.  (a)  Each Pledgor agrees
that it will join with the Pledgee in executing and, at such Pledgor's own
expense, file and refile under the Uniform Commercial Code or other applicable
law such financing statements, continuation statements and other documents in
such offices as the Pledgee may deem reasonably necessary and wherever required
by law in order to perfect and preserve the Pledgee's security interest in the
Collateral and hereby authorizes the Pledgee to file financing statements and
amendments thereto relative to all or any part of the Collateral without the
signature of such Pledgor where permitted by law, and agrees to do such further
acts and things and to execute and deliver to the Pledgee such additional
conveyances, assignments, agreements and instruments as the Pledgee may
reasonably require or deem necessary to carry into effect the purposes of this
Agreement or to further assure and confirm unto the Pledgee its rights, powers
and remedies hereunder.

                                       15
<PAGE>

          (b) Subject to the Communications Act and the FCC Rules to the extent
applicable, each Pledgor hereby appoints the Pledgee such Pledgor's attorney-in-
fact, with full authority in the place and stead of such Pledgor and in the name
of such Pledgor or otherwise, to act from time to time solely after the
occurrence and during the continuance of an Event of Default in the Pledgee's
reasonable discretion to take any action and to execute any instrument which the
Pledgee may deem reasonably necessary or advisable to accomplish the purposes of
this Agreement.

          (c) Each Pledgor agrees that, in the event of any change in any
requirement of law occurring after the date hereof that affects in any manner
the Pledgee's rights of access to, or use or sale of the FCC Licenses or the
procedures necessary to enable the Pledgee to obtain such rights of access, use
or sale (including, without limitation, changes allowing greater such access),
each Pledgor upon request of the Pledgee or the Required Lenders, shall enter
into an amendment to this Agreement in form and substance reasonably
satisfactory to the Pledgee to provide the Pledgee and the Secured Creditors
with such rights to the greatest extent possible consistent with then applicable
requirements of law, including without limitation the Communications Act and the
FCC Rules.

          14.  THE PLEDGEE AS AGENT.  The Pledgee will hold in accordance with
this Agreement all items of the Collateral at any time received under this
Agreement. It is expressly understood and agreed by each Secured Creditor that
by accepting the benefits of this Agreement each such Secured Creditor
acknowledges and agrees that the obligations of the Pledgee as holder of the
Collateral and interests therein and with respect to the disposition thereof,
and otherwise under this Agreement, are only those expressly set forth in this
Agreement.  The Pledgee shall act hereunder on the terms and conditions set
forth herein and in Section 12 of the Credit Agreement.

          15.  TRANSFER BY THE PLEDGORS.  No Pledgor will sell or otherwise
dispose of, grant any option with respect to, or mortgage, pledge or otherwise
encumber any of the Collateral or any interest therein (except as may be
permitted in accordance with the terms of the Credit Agreement).

          16.  REPRESENTATIONS, WARRANTIES AND COVENANTS OF THE PLEDGORS.  (a)
Each Pledgor represents, warrants and covenants that:

           (i) it is the legal, beneficial and record owner of, and has good and
     marketable title to, all Collateral consisting of one or more Securities
     and that it has sufficient interest in all Collateral in which a security
     interest is purported to be created hereunder for such security interest to
     attach (subject, in each case, to no pledge, lien, mortgage, hypothecation,
     security interest, charge, option, Adverse Claim or other encumbrance
     whatsoever, except the liens and security interests created by this
     Agreement);

           (ii) it has full power, authority and legal right to pledge all the
     Collateral pledged by it pursuant to this Agreement;

                                       16
<PAGE>

           (iii)  this Agreement has been duly authorized, executed and
     delivered by such Pledgor and constitutes a legal, valid and binding
     obligation of such Pledgor enforceable against such Pledgor in accordance
     with its terms, except to the extent that the enforceability thereof may be
     limited by applicable bankruptcy, insolvency, reorganization, moratorium or
     other similar laws generally affecting creditors' rights and by equitable
     principles (regardless of whether enforcement is sought in equity or at
     law);

           (iv) except to the extent already obtained or made or as otherwise
     provided in Section 7.04 of the Credit Agreement, no consent of any other
     party (including, without limitation, any stockholder, partner, member or
     creditor of such Pledgor or any of its Subsidiaries) and no consent,
     license, permit, approval or authorization of, exemption by, notice or
     report to, or registration, filing or declaration with, any governmental
     authority is required to be obtained by such Pledgor in connection with (a)
     the execution, delivery or performance of this Agreement, (b) the validity
     or enforceability of this Agreement and the Communication Act and the FCC
     Rules to the extent applicable, (c) the perfection or enforceability of the
     Pledgee's security interest in the Collateral or (d) except for compliance
     with or as may be required by applicable securities laws  and the
     Communication Act and the FCC Rules to the extent applicable , the exercise
     by the Pledgee of any of its rights or remedies provided herein;

           (v) the execution, delivery and performance of this Agreement will
     not violate any provision of any applicable law or regulation or of any
     order, judgment, writ, award or decree of any court, arbitrator or
     governmental authority, domestic or foreign, applicable to such Pledgor, or
     of the certificate of incorporation, operating agreement, limited liability
     company agreement, partnership agreement or by-laws of such Pledgor or of
     any securities issued by such Pledgor or any of its Subsidiaries, or of any
     mortgage, deed of trust, indenture, lease, loan agreement, credit agreement
     or other material contract, agreement or instrument or undertaking to which
     such Pledgor or any of its Subsidiaries is a party or which purports to be
     binding upon such Pledgor or any of its Subsidiaries or upon any of their
     respective assets and will not result in the creation or imposition of (or
     the obligation to create or impose) any lien or encumbrance on any of the
     assets of such Pledgor or any of its Subsidiaries except as contemplated by
     this Agreement;

           (vi) all of the Collateral (consisting of Securities, Limited
     Liability Company Interests or Partnership Interests) has been duly and
     validly issued and acquired, is fully paid and non-assessable and is
     subject to no options to purchase or similar rights;

           (vii)  each of the Pledged Notes constituting an Intercompany Note
     constitutes, or when executed by the obligor thereof will constitute, the
     legal, valid and binding obligation of such obligor, enforceable in
     accordance with its terms, except to the extent that the enforceability
     thereof may be limited by applicable bankruptcy, insolvency,
     reorganization, moratorium or other similar laws generally affecting
     creditors' rights and by equitable principles (regardless of whether
     enforcement is sought in equity or at law); and

                                       17
<PAGE>

           (viii)  the pledge and collateral assignment to, and possession by,
     the Pledgee of the Collateral consisting of Certificated Securities and
     Pledged Notes pursuant to this Agreement creates a valid and perfected
     first priority security interest in such Certificated Securities and
     Pledged Notes, and the proceeds thereof, subject to no prior Lien or
     encumbrance or to any agreement purporting to grant to any third party a
     Lien or encumbrance on the property or assets of such Pledgor which would
     include the Securities and the Pledgee is entitled to all the rights,
     priorities and benefits afforded by the UCC or other relevant law as
     enacted in any relevant jurisdiction to perfect security interests in
     respect of such Collateral; and

           (ix) "control" (as defined in Section 8-106 of the UCC) has been
     obtained by the Pledgee over all Collateral consisting of Securities
     (including Notes which are Securities) with respect to which such "control"
     may be obtained pursuant to Section 8-106 of the UCC.

          (b) Each Pledgor covenants and agrees that it will defend the
Pledgee's right, title and security interest in and to the Securities and the
proceeds thereof against the claims and demands of all persons whomsoever; and
each Pledgor covenants and agrees that it will have like title to and right to
pledge any other property at any time hereafter pledged to the Pledgee as
Collateral hereunder and will likewise defend the right thereto and security
interest therein of the Pledgee and the other Secured Creditors.

          (c) Each Pledgor covenants and agrees that it will take no action
which would violate any of the terms of any Secured Debt Agreement.

          17.  CHIEF EXECUTIVE OFFICE; RECORDS.  The chief executive office of
each Pledgor is located at the address specified in Annex F hereto.  Each
Pledgor will not move its chief executive office except to such new location as
such Pledgor may establish in accordance with the last sentence of this Section
17.  The originals of all documents in the possession of such Pledgor evidencing
all Collateral, including but not limited to all Limited Liability Company
Interests and Partnership Interests, and the only original books of account and
records of such Pledgor relating thereto are, and will continue to be, kept at
such chief executive office as specified in Annex F hereto, or at such new
locations as such Pledgor may establish in accordance with the last sentence of
this Section 17.  All Limited Liability Company Interests and Partnership
Interests are, and will continue to be, maintained at, and controlled and
directed (including, without limitation, for general accounting purposes) from,
such chief executive office as specified in Annex F hereto, or such new
locations as such Pledgor may establish in accordance with the last sentence of
this Section 17.  No Pledgor shall establish a new location for such offices
until (i) it shall have given to the Pledgee not less than 15 days' prior
written notice of its intention so to do, clearly describing such new location
and providing such other information in connection therewith as the Pledgee may
reasonably request and (ii) with respect to such new location, it shall have
taken all action, satisfactory to the Pledgee, to maintain the security interest
of the Collateral Agent in the Collateral intended to be granted hereby at all
times fully perfected and in full force and effect.  Promptly after establishing
a new location for such offices in accordance with the immediately preceding
sentence, the respective Pledgor shall

                                       18
<PAGE>

deliver to the Pledgee a supplement to Annex F hereto so as to cause such Annex
F hereto to be complete and accurate.

          18.  PLEDGORS' OBLIGATIONS ABSOLUTE, ETC.  The obligations of each
Pledgor under this Agreement shall be absolute and unconditional and shall
remain in full force and effect without regard to, and shall not be released,
suspended, discharged, terminated or otherwise affected by, any circumstance or
occurrence whatsoever, including, without limitation:  (i) any renewal,
extension, amendment or modification of or addition or supplement to or deletion
from any Secured Debt Agreement or any other instrument or agreement referred to
therein, or any assignment or transfer of any thereof; (ii) any waiver, consent,
extension, indulgence or other action or inaction under or in respect of any
such agreement or instrument including, without limitation, this Agreement;
(iii) any furnishing of any additional security to the Pledgee or its assignee
or any acceptance thereof or any release of any security by the Pledgee or its
assignee; (iv) any limitation on any party's liability or obligations under any
such instrument or agreement or any invalidity or unenforceability, in whole or
in part, of any such instrument or agreement or any term thereof; or (v) any
bankruptcy, insolvency, reorganization, composition, adjustment, dissolution,
liquidation or other like proceeding relating to any Pledgor or any Subsidiary
of any Pledgor, or any action taken with respect to this Agreement by any
trustee or receiver, or by any court, in any such proceeding, whether or not
such Pledgor shall have notice or knowledge of any of the foregoing.

          19.  ACTIONS REQUIRING FCC APPROVAL.  (a)  Notwithstanding anything to
the contrary contained in this Agreement, or any of the documents executed
pursuant hereto, the Pledgee will not take any action pursuant to this
Agreement, or any such documents, which would constitute or result in any
assignment of any FCC License or any transfer of control of the holder of any
FCC License if such assignment of such License or such transfer of control would
require under then existing law (including the Communications Act or the FCC
Rules) the prior approval of the FCC, without first obtaining such approval.  In
connection with this Section 19, the Pledgee shall be entitled to rely upon the
advice of FCC counsel of the Pledgee's choice with respect to such assignment or
transfer (including to determine whether any such assignment or transfer has
occurred or will occur and whether or not prior approval of the FCC is required)
whether or not the advice rendered is ultimately determined to have been
accurate.

          (b) If an Event of Default shall have occurred and be continuing, the
relevant Pledgor shall take any action which the Pledgee may request in the
exercise of its rights and remedies under this Agreement in order to transfer or
assign the Collateral to the Pledgee or to such one or more third parties as the
Pledgee may designate, or to a combination of the foregoing.  To enforce the
provisions of this Section 19, after an Event of Default shall have occurred and
be continuing, the Pledgee is empowered to request, and each Pledgor agrees to
authorize, the appointment of a receiver or trustee from any court of competent
jurisdiction.  Such receiver or trustee shall be instructed to seek from the FCC
(and any other governmental authority) such consent or approval as may be
required by the Communications Act and the FCC Rules or other applicable law for
any assignment of the assets of or transfer of control of any or all of the FCC
Licenses or other Governmental Authorizations or of any Person whose stock,
partnership interests or other equity interest is subject to this Agreement to
the extent required for

                                       19
<PAGE>

such trustee or receiver to assume such control for the purpose of seeking a
bona fide purchaser to whom such FCC Licenses and other Governmental
Authorizations will be assigned or control of such entity ultimately will be
transferred. Each Pledgor agrees, at such Pledgor's own cost and expense, to
cooperate with any such trustee or receiver, or at such trustee's or receiver's
direction, a bona-fide purchaser and with the Pledgee in the preparation,
execution and filing of any applications and other documents and providing any
information that may be reasonably necessary or helpful in obtaining the FCC's
consent to the assignment or transfer to such trustee or receiver, or at such
trustee's or receiver's direction, such purchaser of the Collateral or any of
the FCC Licenses. To the fullest extent permitted by applicable law, each
Pledgor hereby agrees to consent to and authorize any such transfer of control
upon the request of the Pledgee after the occurrence and during the continuation
of an Event of Default and, without limiting any rights of the Pledgee under
this Agreement, to authorize the Pledgee to nominate a trustee or receiver to
assume control of the Collateral, subject only to any required consents,
approvals or orders of courts of competent jurisdiction, the FCC or other
governmental authorities, for the purpose of effectuating the transactions
contemplated in this Section 19(b). Such trustee or receiver shall have all the
rights and powers as provided to it by law, court order or the Pledgee under
this Agreement. Each Pledgor shall cooperate fully and use its best efforts in
obtaining the consent of the FCC and the approval or consent of each other
governmental authority required to effectuate the foregoing.

          (c) Each Pledgor shall use its best efforts to assist in obtaining
consent or approval of the FCC, any court and any other governmental authority,
if required, for any action or transactions contemplated by this Agreement,
including, without limitation, the preparation, execution and filing with the
FCC of the transferor's or assignor's portion of any application or applications
for consent to the transfer of control or assignment necessary or appropriate
under the FCC's policies, rules and regulations for approval of the transfer or
assignment of all or any portion of the Collateral.

          (d) Each Pledgor hereby acknowledges and agrees that the FCC Licenses
are  unique assets and that a violation of such Pledgor's covenant to cooperate
with respect to the obtainment of  any regulatory consents would result in
irreparable harm to the Pledgee for which monetary damages are not readily
ascertainable.  Each Pledgor further agrees that, because of the unique nature
of its undertakings in this Section 19, the same may be specifically enforced,
and such Pledgor hereby waives, and agrees to waive, any claim or defense that
the Pledgee would have an adequate remedy at law for the breach of such
undertakings and any requirement for the posting of bond or other certificate.

          (e) Without limiting the obligations of any Pledgor hereunder in any
respect, each Pledgor further agrees that if such Pledgor, upon or after the
occurrence and during the continuance of an Event of Default, should fail or
refuse to execute any application or other document necessary or appropriate to
obtain any governmental consent necessary or appropriate for the exercise of any
right of the Pledgee hereunder, such Pledgor agrees that, to the full extent
permitted by the Communications Act and the FCC Rules, such application or other
document may be executed on such Pledgor's behalf by the clerk of any court or
other forum in any competent jurisdiction without notice to such Pledgor.

                                       20
<PAGE>

          (f) This Section 19 shall not limit any other rights or remedies of
the Pledgee or the other Secured Creditors available under applicable law
including, without limitation, the Communications Act and the FCC Rules.

          20.  REGISTRATION, ETC.  (a)  If there shall have occurred and be
continuing an Event of Default then, and in every such case, upon receipt by any
Pledgor from the Pledgee of a written request or requests that such Pledgor
cause any registration, qualification or compliance under any Federal or state
securities law or laws to be effected with respect to all or any part of the
Collateral consisting of Securities, Limited Liability Company Interests or
Partnership Interests, such Pledgor as soon as practicable and at its expense
will cause such registration to be effected (and be kept effective) and will
cause such qualification and compliance to be declared effected (and be kept
effective) as may be so requested and as would permit or facilitate the sale and
distribution of such Collateral, including, without limitation, registration
under the Securities Act, as then in effect (or any similar statute then in
effect), appropriate qualifications under applicable blue sky or other state
securities laws and appropriate compliance with any other government
requirements, provided, that the Pledgee shall furnish to such Pledgor such
              --------
information regarding the Pledgee as such Pledgor may reasonably request in
writing and as shall be required in connection with any such registration,
qualification or compliance. Such Pledgor will cause the Pledgee to be kept
advised in writing as to the progress of each such registration, qualification
or compliance and as to the completion thereof, will furnish to the Pledgee such
number of prospectuses, offering circulars or other documents incident thereto
as the Pledgee from time to time may reasonably request, and will indemnify the
Pledgee, each other Secured Creditor and all others participating in the
distribution of such Collateral against all claims, losses, damages and
liabilities caused by any untrue statement (or alleged untrue statement) of a
material fact contained therein (or in any related registration statement,
notification or the like) or by any omission (or alleged omission) to state
therein (or in any related registration statement, notification or the like) a
material fact required to be stated therein or necessary to make the statements
therein not misleading, except insofar as the same may have been caused by an
untrue statement or omission based upon information furnished in writing to such
Pledgor by the Pledgee or such other Secured Creditor expressly for use therein.

          (b) If at any time when the Pledgee shall determine to exercise its
right to sell all or any part of the Collateral consisting of  Securities,
Limited Liability Company Interests or Partnership Interests pursuant to Section
7 hereof, and the Collateral or the part thereof to be sold shall not, for any
reason whatsoever, be effectively registered under the Securities Act, as then
in effect, the Pledgee may, in its sole and absolute discretion, sell such
Collateral, as the case may be, or part thereof by private sale in such manner
and under such circumstances as the Pledgee may deem necessary or advisable in
order that such sale may legally be effected without such registration.  Without
limiting the generality of the foregoing, in any such event the Pledgee, in its
sole and absolute discretion (i) may proceed to make such private sale
notwithstanding that a registration statement for the purpose of registering
such Collateral or part thereof shall have been filed under such Securities Act,
(ii) may approach and negotiate with a single possible purchaser to effect such
sale, and (iii) may restrict such sale to a purchaser who will represent and
agree that such purchaser is purchasing for its own account, for investment, and
not with a view to the distribution or sale of such Collateral or part thereof.
In the event of any such sale,

                                       21
<PAGE>

the Pledgee shall incur no responsibility or liability for selling all or any
part of the Collateral at a price which the Pledgee, in its sole and absolute
discretion, in good faith deems reasonable under the circumstances,
notwithstanding the possibility that a substantially higher price might be
realized if the sale were deferred until after registration as aforesaid.

          21.  TERMINATION; RELEASE.  (a)  After the Termination Date, this
Agreement and the security interest created hereby shall terminate (provided
that all indemnities set forth herein including, without limitation, in Section
11 hereof shall survive any such termination), and the Pledgee, at the request
and expense of any Pledgor, will execute and deliver to such Pledgor a proper
instrument or instruments acknowledging the satisfaction and termination of this
Agreement, and will duly assign, transfer and deliver to such Pledgor (without
recourse and without any representation or warranty) such of the Collateral as
has not theretofore been sold or otherwise applied or released pursuant to this
Agreement, together with any monies at the time held by the Pledgee or any of
its sub-agents hereunder.  As used in this Agreement, "Termination Date" shall
mean the date upon which the Total Commitment and all Interest Rate Protection
Agreements and Other Hedging Agreements have been terminated, no Note under the
Credit Agreement is outstanding (and all Loans have been repaid in full), all
Letters of Credit have been terminated and all Obligations then due and payable
have been paid in full.

          (b) In the event that any part of the Collateral is sold in connection
with a sale permitted by Section 9.02 of the Credit Agreement (other than a sale
to any Pledgor or any Subsidiary thereof) or is otherwise released at the
direction of the Required Lenders (or all Lenders if required by Section 13.12
of the Credit Agreement) and the proceeds of such sale or sales or from such
release are applied in accordance with the provisions of the Credit Agreement,
to the extent required to be so applied, the Pledgee, at the request and expense
of any Pledgor, will duly assign, transfer and deliver to such Pledgor (without
recourse and without any representation or warranty) such of the Collateral (and
releases therefor) as is then being (or has been) so sold or released and has
not theretofore been released pursuant to this Agreement.

          (c) At any time that a Pledgor desires that the Pledgee assign,
transfer and deliver Collateral (and releases therefor) as provided in Section
21(a) or (b) hereof, it shall deliver to the Pledgee a certificate signed by a
senior officer of such Pledgor stating that the release of the respective
Collateral is permitted pursuant to such Section 21(a) or (b).

          (d)  The Pledgee shall have no liability whatsoever to any other
Secured Creditor as the result of any release of Collateral by it in accordance
with this Section 21.

          22.  NOTICES, ETC.  All such notices and communications hereunder
shall be sent or delivered by mail, telegraph, telex, telecopy, cable or
overnight courier service and all such notices and communications shall, when
mailed, telegraphed, telexed, telecopied, or cabled or sent by overnight
courier, be effective when deposited in the mails, delivered to the telegraph
company, cable company or overnight courier, as the case may be, or sent by
telex or telecopier and when mailed shall be effective three Business Days
following deposit in the mail with proper postage, except that notices and
communications to the Pledgee or any Pledgor shall not be

                                       22
<PAGE>

effective until received by the Pledgee or such Pledgor, as the case may be. All
notices and other communications shall be in writing and addressed as follows:

          (a)  if to any Pledgor, at:

          c/o IDT Corporation
          190 Main Street
          Hackensack, New Jersey  07601
          Attention:  Chief Financial Officer
          Telephone No.:  (201) 928-4425
          Telecopier No.:  (201) 928-2952

          (b)  if to the Pledgee, at:

          Bankers Trust Company
          One Bankers Trust Plaza
          130 Liberty Street
          New York, New York  10006
          Attention:   Patricia Hogan
          Telephone No.:   (212) 250-5175
          Telecopier No.:  (212) 250-7218;

          (c) if to any Lender Creditor, either (x) to the Administrative Agent,
at the address of the Administrative Agent specified in the Credit Agreement or
(y) at such address as such Lender Creditor shall have specified in the Credit
Agreement;

          (d) if to any Other Creditor at such address as such Other Creditor
shall have specified in writing to the Pledgors and the Pledgee;

or at such other address as shall have been furnished in writing by any Person
described above to the party required to give notice hereunder.

          23.  WAIVER; AMENDMENT.  None of the terms and conditions of this
Agreement may be changed, waived, modified or varied in any manner whatsoever
unless in writing duly signed by each Pledgor directly affected thereby and the
Pledgee (with the written consent of either (x) the Required Lenders (or all of
the Lenders to the extent required by Section 13.12 of the Credit Agreement) at
all times prior to the time on which all Credit Document Obligations have been
paid in full or (y) the holders of at least a majority of the outstanding Other
Obligations at all times after the time on which all Credit Document Obligations
have been paid in full); provided, that any change, waiver, modification or
                         --------
variance affecting the rights and benefits of a single Class (as defined below)
of Secured Creditors (and not all Secured Creditors in a like or similar manner)
shall also require the written consent of the Requisite Creditors (as defined
below) of such affected Class.  For the purpose of this Agreement, the term
"Class" shall mean each class of Secured Creditors, i.e., whether (i) the Lender
                                                    ----
Creditors as holders of the Credit Document Obligations or (ii) the Other
Creditors as the holders of the Other Obligations.  For the purpose of this
Agreement, the term "Requisite Creditors" of any Class shall mean each

                                       23
<PAGE>

of (i) with respect to the Credit Document Obligations, the Required Lenders and
(ii) with respect to the Other Obligations, the holders of at least a majority
of all obligations outstanding from time to time under the Interest Rate
Protection Agreements and Other Hedging Agreements.

          24.  MISCELLANEOUS.  This Agreement shall be binding upon the parties
hereto and their respective successors and assigns and shall inure to the
benefit of and be enforceable by each of the parties hereto and its successors
and assigns, provided that no Pledgor may assign any of its rights or
obligations under this Agreement without the prior consent of the Collateral
Agent.  THIS AGREEMENT SHALL BE CONSTRUED AND ENFORCED IN ACCORDANCE WITH AND
GOVERNED BY THE INTERNAL LAWS OF THE STATE OF NEW YORK.  EACH PLEDGOR
IRREVOCABLY WAIVES ALL RIGHT TO A TRIAL BY JURY IN ANY ACTION PROCEEDING OR
COUNTERCLAIM ARISING OUT OF OR RELATING TO THIS AGREEMENT OR THE TRANSACTIONS
CONTEMPLATED HEREBY.  The headings in this Agreement are for purposes of
reference only and shall not limit or define the meaning hereof.  This Agreement
may be executed in any number of counterparts, each of which shall be an
original, but all of which shall constitute one instrument.  In the event that
any provision of this Agreement shall prove to be invalid or unenforceable, such
provision shall be deemed to be severable from the other provisions of this
Agreement which shall remain binding on all parties hereto.

          25.  RECOURSE.  This Agreement is made with full recourse to the
Pledgors and pursuant to and upon all the representations, warranties, covenants
and agreements on the part of the Pledgors contained herein and in the other
Secured Debt Agreements and otherwise in writing in connection herewith or
therewith.

          26.  ADDITIONAL PLEDGORS.  It is understood and agreed that any
Subsidiary of the Borrower that is required to execute a counterpart of this
Agreement after the date hereof pursuant to the Credit Agreement shall become a
Pledgor hereunder by executing a counterpart hereof and delivering the same to
the Pledgee.

                                    * * * *

                                       24
<PAGE>

          IN WITNESS WHEREOF, each Pledgor and the Pledgee have caused this
Agreement to be executed by their duly elected officers duly authorized as of
the date first above written.

                              IDT CORPORATION,

                              as a Pledgor

                              By /s/ Joyce J. Mason
                                 ------------------
                                 Title:  Secretary

                              IDT INTERNATIONAL, CORP., as a Pledgor

                              By /s/ Joyce J. Mason
                                 ------------------
                                 Title:  Secretary

                              IDT INTERNET SERVICES, INC., as a Pledgor

                              By /s/ Joyce J. Mason
                                 ------------------
                                 Title:  Secretary

                              MEDIA RESPONSE, INC., as a Pledgor

                              By /s/ Joyce J. Mason
                                 ------------------
                                 Title:  Secretary

                              YOVELLE RENAISSANCE CORPORATION, as a Pledgor

                              By /s/ Joyce J. Mason
                                -------------------
                                Title:  Secretary

                                       25
<PAGE>

                              NUESTRA VOZ DIRECT INC., as a Pledgor

                              By /s/ Joyce J. Mason
                                 ------------------
                                 Title:  Secretary

                              225 OLD NB ROAD, INC., as a Pledgor

                              By /s/ Joyce J. Mason
                                 ------------------
                                 Title:  Secretary

                              DIPCHIP CORP., as a Pledgor

                              By /s/ Joyce J. Mason
                                 ------------------
                                 Title:  Secretary

                              INTEREXCHANGE, INC., as a Pledgor

                              By /s/ Kathleen B. Timko
                                 ---------------------
                                 Title:  Secretary


Accepted and Agreed to:


BANKERS TRUST COMPANY,

 as Collateral Agent, Pledgee

By /s/ Patricia Hogan
   ------------------
   Title: Principal

                                       26

<PAGE>

                                                                   EXHIBIT 10.16


                                                          CONFORMED AS EXECUTED


                              SECURITY AGREEMENT

                                     among

                               IDT CORPORATION,

                          CERTAIN OF ITS SUBSIDIARIES

                                      and

                            BANKERS TRUST COMPANY,

                              as COLLATERAL AGENT

                       ________________________________
                           Dated as of May 10, 1999
                       ________________________________
<PAGE>

                               TABLE OF CONTENTS
                               -----------------

<TABLE>
<CAPTION>
                                                                                  Page
                                                                                  ----
<S>        <C>                                                                    <C>
ARTICLE I  SECURITY INTERESTS..................................................    2

     1.1.  Grant of Security Interests.........................................    2
     1.2.  Power of Attorney...................................................    3

ARTICLE II GENERAL REPRESENTATIONS, WARRANTIES AND COVENANTS...................    3

     2.1.  Necessary Filings...................................................    3
     2.2.  No Liens............................................................    3
     2.3.  Other Financing Statements..........................................    3
     2.4.  Chief Executive Office, Record Locations............................    4
     2.5.  Location of Inventory and Equipment.................................    4
     2.6.  Recourse............................................................    4
     2.7.  Trade Names; Change of Name.........................................    5

ARTICLE III SPECIAL PROVISIONS CONCERNING RECEIVABLES; CONTRACT
            RIGHTS; INSTRUMENTS; CHATTEL PAPER.................................    5

     3.1.  Additional Representations and Warranties...........................    5
     3.2.  Maintenance of Records..............................................    5
     3.3.  Direction to Account Debtors; Contracting Parties; etc. ............    6
     3.4.  Modification of Terms; etc. ........................................    6
     3.5.  Collection..........................................................    6
     3.6.  Instruments.........................................................    7
     3.7.  Assignors Remain Liable Under Receivables...........................    7
     3.8.  Assignors Remain Liable Under Contracts.............................    7
     3.9.  Further Actions.....................................................    7

ARTICLE IV SPECIAL PROVISIONS CONCERNING TRADEMARKS............................    8

     4.1.  Additional Representations and Warranties...........................    8
     4.2.  Licenses and Assignments............................................    8
     4.3.  Infringements.......................................................    8
     4.4.  Preservation of Marks...............................................    9
     4.5.  Maintenance of Registration.........................................    9
     4.6.  Future Registered Marks.............................................    9
     4.7.  Remedies............................................................    9

ARTICLE V  SPECIAL PROVISIONS CONCERNING PATENTS, COPYRIGHTS
           AND TRADE SECRETS...................................................    10

     5.1.  Additional Representations and Warranties............................   10
</TABLE>
<PAGE>

<TABLE>
<CAPTION>
                                                                                  Page
                                                                                  ----
<S>        <C>                                                                    <C>
     5.2.  Licenses and Assignments.............................................   10
     5.3.  Infringements........................................................   10
     5.4.  Maintenance of Patents or Copyright..................................   11
     5.5.  Prosecution of Patent Applications...................................   11
     5.6.  Other Patents and Copyrights.........................................   11
     5.7.  Remedies.............................................................   11

ARTICLE VI PROVISIONS CONCERNING ALL COLLATERAL.................................   11

     6.1.  Protection of Collateral Agent's Security............................   11
     6.2.  Warehouse Receipts Non-negotiable....................................   12
     6.3.  Further Actions......................................................   12
     6.4.  Financing Statements.................................................   12
     6.5.  FCC Licenses; etc. ..................................................   12

ARTICLE VII  REMEDIES UPON OCCURRENCE OF EVENT OF DEFAULT.......................   13

     7.1.  Remedies; Obtaining the Collateral Upon Default......................   13
     7.2.  Remedies; Disposition of the Collateral..............................   14
     7.3.  Waiver of Claims.....................................................   15
     7.4.  Application of Proceeds..............................................   16
     7.5.  Remedies Cumulative..................................................   18
     7.6.  Discontinuance of Proceedings........................................   18

ARTICLE VIII  INDEMNITY.........................................................   20

     8.1.  Indemnity............................................................   20
     8.2.  Indemnity Obligations Secured by Collateral; Survival................   22

ARTICLE IX  DEFINITIONS.........................................................   22

ARTICLE X   MISCELLANEOUS.......................................................   27

     10.1.  Notices.............................................................   27
     10.2.  Waiver; Amendment...................................................   28
     10.3.  Obligations Absolute................................................   28
     10.4.  Successors and Assigns..............................................   29
     10.5.  Headings Descriptive................................................   29
     10.6.  Governing Law.......................................................   29
     10.7.  Assignor's Duties...................................................   29
     10.8.  Termination; Release................................................   29
     10.9.  Counterparts........................................................   30
     10.10.  Severability.......................................................   30
     10.11.  The Collateral Agent...............................................   30
     10.12.  Benefit of Agreement...............................................   30
     10.13.  Additional Assignors...............................................   30
</TABLE>


                                     (ii)
<PAGE>

     ANNEX A  Schedule of Chief Executive Offices/Record Locations

     ANNEX B  Schedule of Inventory and Equipment Location

     ANNEX C  Schedule of Trade and Fictitious Names

     ANNEX D  Schedule of Marks

     ANNEX E  Schedule of Patent

     ANNEX F  Schedule of Copyrights

     ANNEX G  Form of Assignment of Security Interest in United States
               Trademarks and Patents

     ANNEX H  Form of Assignment of Security Interest in United States
               Copyrights




                                     (iii)
<PAGE>

                              SECURITY AGREEMENT
                              ------------------

          SECURITY AGREEMENT, dated as of May 10, 1999, made by each of the
undersigned assignors (each an "Assignor" and, together with any other entity
that becomes an assignor hereunder pursuant to Section 10.13 hereof, the
"Assignors") in favor of Bankers Trust Company, as Collateral Agent together
with any successor collateral agent (the "Collateral Agent"), for the benefit of
the Secured Creditors (as defined below).  Except as otherwise defined herein,
capitalized terms used herein and defined in the Credit Agreement (as defined
below) shall be used herein as so defined.

                             W I T N E S S E T H:
                             -------------------

          WHEREAS, IDT Corporation (the "Borrower"), the lenders party from time
to time party thereto (the "Lenders"), Lehman Commercial Paper Inc., as
Documentation Agent, CIBC World Markets Corp., as Syndication Agent, and Bankers
Trust Company, as Administrative Agent (together with any successor
administrative agent, the "Administrative Agent"), have entered into a Credit
Agreement, dated as of May 10, 1999, providing for the making of Loans to, and
the issuance of Letters of Credit for the account of, the Borrower as
contemplated therein (as amended, modified or supplemented from time to time,
the "Credit Agreement") (the Lenders, the Administrative Agent, the Issuing
Lender and the Collateral Agent are herein called the "Lender Creditors");

          WHEREAS, the Borrower may at any time and from time to time enter into
one or more Interest Rate Protection Agreements or Other Hedging Agreements with
one or more Lenders or any affiliate thereof (each such Lender or affiliate,
even if the respective Lender subsequently ceases to be a Lender under the
Credit Agreement for any reason, together with such Lender's or affiliate's
successors and assigns, if any, collectively, the "Other Creditors", and
together with the Lender Creditors, are herein called the "Secured Creditors");

          WHEREAS, pursuant to the Subsidiaries Guaranty, each Subsidiary
Guarantor has jointly and severally guaranteed to the Secured Creditors the
payment when due of all Guaranteed Obligations as described therein;

          WHEREAS, it is a condition precedent to the making of Loans to, and
the issuance of Letters of Credit for the account of, the Borrower under the
Credit Agreement that each Assignor shall have executed and delivered to the
Collateral Agent this Agreement; and

          WHEREAS, each Assignor will obtain benefits from the incurrence of
Loans to, and the issuance of Letters of Credit for the account of, the Borrower
under the Credit Agreement and the entering into by the Borrower of Interest
Rate Protection Agreements or Other Hedging Agreements and, accordingly, each
Assignor desires to enter into this Agreement in order to satisfy the condition
described in the preceding paragraph;
<PAGE>

                                                                          Page 2

          NOW, THEREFORE, in consideration of the benefits accruing to each
Assignor, the receipt and sufficiency of which are hereby acknowledged, each
Assignor hereby makes the following representations and warranties to the
Collateral Agent for the benefit of the Secured Creditors and hereby covenants
and agrees with the Collateral Agent for the benefit of the Secured Creditors as
follows:

                                   ARTICLE I


                              SECURITY INTERESTS

          1.1.  Grant of Security Interests.  (a)  As security for the prompt
                ---------------------------
and complete payment and performance when due of all of its Obligations, each
Assignor does hereby assign and transfer unto the Collateral Agent, and does
hereby pledge and grant to the Collateral Agent for the benefit of the Secured
Creditors, a continuing security interest in, all of the right, title and
interest of such Assignor in, to and under all of the following, whether now
existing or hereafter from time to time acquired:  (i) each and every
Receivable, (ii) all Contracts, together with all Contract Rights arising
thereunder, (iii) all Inventory, (iv) all Equipment, (v) all Marks, together
with the registrations and right to all renewals thereof, and the goodwill of
the business of such Assignor symbolized by the Marks, (vi) all Patents and
Copyrights, (vii) all computer programs of such Assignor and all intellectual
property rights therein and all other proprietary information of such Assignor,
including, but not limited to, Trade Secrets Rights, (viii) all other Goods,
General Intangibles, Investment Property, Permits, Chattel Paper, Documents,
Instruments and other assets (including cash) (subject, in the case of General
Intangibles and Permits constituting FCC Licenses only, to clause (xi) below),
(ix) the Cash Collateral Account and all monies, securities, instruments and
other investments deposited or required to be deposited in such Cash Collateral
Account, (x) all other bank, demand, time savings, cash management, passbook,
certificates of deposit and similar accounts maintained by such Assignor and all
monies, securities, instruments and other investments deposited or required to
be deposited in any of the foregoing accounts, (xi)  all goodwill, going concern
value, and all of such Assignor's rights in, to or under, or relating to, any
license, permit or other authorization (each, an "FCC License") issued by the
FCC (provided, however, that such security interest does not include, and the
     --------  -------
term "Collateral" does not include, at any time any FCC License to the extent,
but only to the extent, that such Assignor is prohibited at that time from
granting a security interest therein pursuant to the Communications Act, and the
FCC Rules, but includes, to the maximum extent permitted by law, all rights
incident or appurtenant to any such FCC License and the rights to receive all
proceeds, monies or other consideration derived or derivable from or in
connection with the sale, assignment or transfer of any FCC License); and (xii)
all Proceeds and products of any and all of the foregoing (all of the above,
collectively, the "Collateral").

          (b) The security interest of the Collateral Agent under this Agreement
extends to all Collateral of the kind which is the subject of this Agreement
which any Assignor may acquire at any time during the term of this Agreement.
<PAGE>

                                                                          Page 3


          1.2.  Power of Attorney.  Each Assignor hereby constitutes and
                -----------------
appoints the Collateral Agent its true and lawful attorney, irrevocably, with
full power after the occurrence of and during the continuance of an Event of
Default (in the name of such Assignor or otherwise) to act, require, demand,
receive, compound and give acquaintance for any and all moneys and claims for
moneys due or to become due to such Assignor under or arising out of the
Collateral, to endorse any checks or other instruments or orders in connection
therewith and, subject, in the case of any exercise by the Pledgee of any rights
or remedies that effects an assignment or transfer of control of any FCC
License, to receipt of any approvals that may be required under the
Communications Act or the FCC Rules, to file any claims or take any action or
institute any proceedings which the Collateral Agent may deem to be necessary or
advisable to protect the interests of the Secured Creditors, which appointment
as attorney is coupled with an interest.

                                  ARTICLE II


               GENERAL REPRESENTATIONS, WARRANTIES AND COVENANTS

          Each Assignor represents, warrants and covenants, which
representations, warranties and covenants shall survive execution and delivery
of this Agreement, as follows:

          2.1.  Necessary Filings.  Upon the filing by the Collateral Agent of
                -----------------
appropriate financing statements in the applicable filing offices in the
jurisdiction set forth in Annexes A and B, and upon the filing of the
appropriate Assignments of Security Interest in the form of Annex G or H
attached hereto in the United States Patent and Trademark Office or in the
United States Copyright Office, as applicable, all filings, registrations and
recordings necessary or appropriate to create, preserve and perfect the security
interest granted by such Assignor to the Collateral Agent hereby in respect of
the Collateral will have been accomplished and the security interest granted to
the Collateral Agent pursuant to this Agreement in and to the Collateral will
create a perfected security interest therein prior to the rights of all other
Persons therein and subject to no other Liens (other than Permitted Liens) and
will be entitled to all the rights, priorities and benefits afforded by the
Uniform Commercial Code or other relevant law as enacted in any relevant
jurisdiction to perfected security interests, in each case to the extent that
the Collateral consists of the type of property in which a security interest may
be perfected by filing a financing statement under the Uniform Commercial Code
as enacted in any relevant jurisdiction or in the United States Patent and
Trademark Office or in the United States Copyright Office.

          2.2.  No Liens.  Such Assignor is, and as to Collateral acquired by it
                --------
from time to time after the date hereof such Assignor will be, the owner of all
Collateral free from any Lien, security interest, encumbrance or other right,
title or interest of any Person (other than Permitted Liens), and such Assignor
shall defend the Collateral against all claims and demands of all Persons at any
time claiming the same or any interest therein adverse to the Collateral Agent.

          2.3.  Other Financing Statements.  As of the date hereof, there is no
                --------------------------
financing statement (or similar statement or instrument of registration under
the law of any jurisdiction) covering or purporting to cover any interest of any
kind in the Collateral (other than financing
<PAGE>

                                                                          Page 4

statements filed in respect of Permitted Liens), and so long as the Termination
Date has not occurred, such Assignor will not execute or authorize to be filed
in any public office any financing statement (or similar statement or instrument
of registration under the law of any jurisdiction) or statements relating to the
Collateral, except financing statements filed or to be filed in respect of and
covering the security interests granted hereby by such Assignor or in connection
with Permitted Liens.

          2.4.  Chief Executive Office, Record Locations.  The chief executive
                ----------------------------------------
office of such Assignor is located at the address indicated on Annex A hereto
for such Assignor.  Such Assignor will not move its chief executive office
except to such new location as such Assignor may establish in accordance with
the last sentence of this Section 2.4.  The originals of all documents
evidencing all Receivables and Contract Rights of such Assignor and the only
original books of account and records of such Assignor relating thereto are, and
will continue to be, kept at such chief executive office, at one or more of the
other locations set forth on Annex A hereto or at such new locations as such
Assignor may establish in accordance with the last sentence of this Section 2.4.
All Receivables and Contract Rights of such Assignor are, and will continue to
be, maintained at, and controlled and directed (including, without limitation,
for general accounting purposes) from, the office locations described above or
such new location established in accordance with the last sentence of this
Section 2.4.  No Assignor shall establish new locations for such offices until
(i) it shall have given to the Collateral Agent not less than 15 days' prior
written notice of its intention to do so, clearly describing such new location
and providing such other information in connection therewith as the Collateral
Agent may reasonably request, and (ii) with respect to such new location, it
shall have taken all action reasonably satisfactory to the Collateral Agent to
maintain the security interest of the Collateral Agent in the Collateral
intended to be granted hereby at all times fully perfected and in full force and
effect.

          2.5.  Location of Inventory and Equipment.  All Inventory and
                -----------------------------------
Equipment held on the date hereof by each Assignor is located at one of the
locations shown on Annex B hereto for such Assignor.  Each Assignor agrees that
all Inventory and Equipment now held or subsequently acquired by it shall be
kept at (or shall be in transport to) any one of the locations shown on Annex B
hereto, or such new location as such Assignor may establish in accordance with
the last sentence of this Section 2.5.  Any Assignor may establish a new
location for Inventory and Equipment only if (i) it shall have given to the
Collateral Agent not less than 15 days' prior written notice of its intention so
to do, clearly describing such new location and providing such other information
in connection therewith as the Collateral Agent may reasonably request and (ii)
with respect to such new location, it shall have taken all action reasonably
satisfactory to the Collateral Agent to maintain the security interest of the
Collateral Agent in the Collateral intended to be granted hereby at all times
fully perfected and in full force and effect.

          2.6.  Recourse.  This Agreement is made with full recourse to each
                --------
Assignor (including, without limitation, with full recourse to all assets of
such Assignor) and pursuant to and upon all the warranties, representations,
covenants and agreements on the part of such Assignor contained herein, in the
other Secured Debt Agreements and otherwise in writing in connection herewith or
therewith.
<PAGE>

                                                                          Page 5


          2.7.  Trade Names; Change of Name.  No Assignor has or operates in any
                ---------------------------
jurisdiction under, or in the preceding one year has had or has operated in any
jurisdiction under, any trade names, fictitious names or other names except its
legal name and such other trade or fictitious names as are listed on Annex C
hereto for such Assignor.  No Assignor shall change its legal name or assume or
operate in any jurisdiction under any trade, fictitious or other name except
those names listed on Annex C hereto for such Assignor and new names established
in accordance with the last sentence of this Section 2.7.  No Assignor shall
assume or operate in any jurisdiction under any new trade, fictitious or other
name until (i) it shall have given to the Collateral Agent not less than 15
days' prior written notice of its intention so to do, clearly describing such
new name and the jurisdictions in which such new name shall be used and
providing such other information in connection therewith as the Collateral Agent
may reasonably request and (ii) with respect to such new name, it shall have
taken all action reasonably requested by the Collateral Agent to maintain the
security interest of the Collateral Agent in the Collateral intended to be
granted hereby at all times fully perfected and in full force and effect.

                                  ARTICLE III


                  SPECIAL PROVISIONS CONCERNING RECEIVABLES;
                  CONTRACT RIGHTS; INSTRUMENTS; CHATTEL PAPER

          3.1.  Additional Representations and Warranties.  As of the time when
                -----------------------------------------
each of its Receivables arises, each Assignor shall be deemed to have
represented and warranted that such Receivable, and all records, papers and
documents relating thereto (if any) are what they purport to be.

          3.2.  Maintenance of Records.  Each Assignor will keep and maintain at
                ----------------------
its own cost and expense accurate records of its Receivables and Contracts,
including, but not limited to, originals of all documentation (including each
Contract) with respect thereto, records of all payments received, all credits
granted thereon, all merchandise returned and all other dealings therewith, and
such Assignor will make the same available on such Assignor's premises to the
Collateral Agent for inspection, at such Assignor's own cost and expense, at any
and all reasonable times upon prior notice to such Assignor.  Upon the
occurrence and during the continuance of an Event of Default and at the request
of the Collateral Agent, such Assignor shall, at its own cost and expense,
deliver all tangible evidence of its Receivables and Contract Rights (including,
without limitation, all documents evidencing the Receivables and all Contracts)
and such books and records to the Collateral Agent or to its representatives
(copies of which evidence and books and records may be retained by such
Assignor).  Upon the occurrence and during the continuance of an Event of
Default and if the Collateral Agent so directs, such Assignor shall legend, in
form and manner satisfactory to the Collateral Agent, the Receivables and the
Contracts, as well as books, records and documents (if any) of such Assignor
evidencing or pertaining to such Receivables and Contracts with an appropriate
reference to the fact that such Receivables and Contracts have been assigned to
the Collateral Agent and that the Collateral Agent has a security interest
therein.
<PAGE>

                                                                          Page 6

          3.3.  Direction to Account Debtors; Contracting Parties; etc.  Upon
                -------------------------------------------------------
the occurrence and during the continuance of an Event of Default, if the
Collateral Agent so directs any Assignor, such Assignor agrees (x) to cause all
payments on account of the Receivables and Contracts to be made directly to the
Cash Collateral Account, (y) that the Collateral Agent may, at its option,
directly notify the obligors with respect to any Receivables and/or under any
Contracts to make payments with respect thereto as provided in the preceding
clause (x), and (z) that the Collateral Agent may enforce collection of any such
Receivables and Contracts and may adjust, settle or compromise the amount of
payment thereof, in the same manner and to the same extent as such Assignor.
Without notice to or assent by any Assignor, the Collateral Agent may, upon the
occurrence and during the continuance of an Event of Default, apply any or all
amounts then in, or thereafter deposited in, the Cash Collateral Account which
application shall be effected in the manner provided in Section 7.4 of this
Agreement.  The reasonable costs and expenses (including reasonable attorneys'
fees) of collection, whether incurred by an Assignor or the Collateral Agent,
shall be borne by the relevant Assignor.  The Collateral Agent shall deliver a
copy of each notice referred to in the preceding clause (y) to the relevant
Assignor, provided, that the failure by the Collateral Agent to so notify such
          --------
Assignor shall not affect the effectiveness of such notice or the other rights
of the Collateral Agent created by this Section 3.3.

          3.4.  Modification of Terms; etc.  Except in accordance with such
                ---------------------------
Assignor's ordinary course of business and consistent with reasonable business
judgment, no Assignor shall rescind or cancel any indebtedness evidenced by any
Receivable or under any Contract, or modify any term thereof or make any
adjustment with respect thereto, or extend or renew the same, or compromise or
settle any material dispute, claim, suit or legal proceeding relating thereto,
or sell any Receivable or Contract, or interest therein, without the prior
written consent of the Collateral Agent.  No Assignor will do anything to impair
the rights of the Collateral Agent in the Receivables or Contracts in any
material respect.

          3.5.  Collection.  Each Assignor shall endeavor in accordance with
                ----------
reasonable business practices to cause to be collected from the account debtor
named in each of its Receivables or obligor under any Contract, as and when due
(including, without limitation, amounts which are delinquent, such amounts to be
collected in accordance with generally accepted lawful collection procedures)
any and all amounts owing under or on account of such Receivable or Contract,
and apply forthwith upon receipt thereof all such amounts as are so collected to
the outstanding balance of such Receivable or under such Contract, except as
otherwise directed by the Collateral Agent after the occurrence and during the
continuation of an Event of Default, any Assignor may allow in the ordinary
course of business as adjustments to amounts owing under its Receivables and
Contracts (i) an extension or renewal of the time or times of payment, or
settlement for less than the total unpaid balance, which such Assignor finds
appropriate in accordance with reasonable business judgment and (ii) a refund or
credit due as a result of returned or damaged merchandise or improperly
performed services or for other reasons which such Assignor finds appropriate in
accordance with reasonable business judgment. The reasonable costs and expenses
(including, without limitation, reasonable attorneys' fees) of collection,
whether incurred by an Assignor or the Collateral Agent, shall be borne by the
relevant Assignor.
<PAGE>

                                                                          Page 7

          3.6.  Instruments.  If any Assignor owns or acquires any Instrument
                -----------
constituting Collateral (other than checks and other payment instruments
received and collected in the ordinary course of business), such Assignor will
within 10 Business Days notify the Collateral Agent thereof, and upon request by
the Collateral Agent will promptly deliver such Instrument to the Collateral
Agent appropriately endorsed to the order of the Collateral Agent as further
security hereunder.

          3.7.  Assignors Remain Liable Under Receivables.  Anything herein to
                -----------------------------------------
the contrary notwithstanding, the Assignors shall remain liable under each of
the Receivables to observe and perform all of the conditions and obligations to
be observed and performed by it thereunder, all in accordance with the terms of
any agreement giving rise to such Receivables.  Neither the Collateral Agent nor
any other Secured Creditor shall have any obligation or liability under any
Receivable (or any agreement giving rise thereto) by reason of or arising out of
this Agreement or the receipt by the Collateral Agent or any other Secured
Creditor of any payment relating to such Receivable pursuant hereto, nor shall
the Collateral Agent or any other Secured Creditor be obligated in any manner to
perform any of the obligations of any Assignor under or pursuant to any
Receivable (or any agreement giving rise thereto), to make any payment, to make
any inquiry as to the nature or the sufficiency of any payment received by them
or as to the sufficiency of any performance by any party under any Receivable
(or any agreement giving rise thereto), to present or file any claim, to take
any action to enforce any performance or to collect the payment of any amounts
which may have been assigned to them or to which they may be entitled at any
time or times.

          3.8.  Assignors Remain Liable Under Contracts.  Anything herein to the
                ---------------------------------------
contrary notwithstanding, the Assignors shall remain liable under each of the
Contracts to observe and perform all of the conditions and obligations to be
observed and performed by them thereunder, all in accordance with and pursuant
to the terms and provisions of each Contract.  Neither the Collateral Agent nor
any other Secured Creditor shall have any obligation or liability under any
Contract by reason of or arising out of this Agreement or the receipt by the
Collateral Agent or any other Secured Creditor of any payment relating to such
contract pursuant hereto, nor shall the Collateral Agent or any other Secured
Creditor be obligated in any manner to perform any of the obligations of any
Assignor under or pursuant to any Contract, to make any payment, to make any
inquiry as to the nature or the sufficiency of any performance by any party
under any Contract, to present or file any claim, to take any action to enforce
any performance or to collect the payment of any amounts which may have been
assigned to them or to which they may be entitled at any time or times.

          3.9.  Further Actions.  (a)  Each Assignor will, at its own expense,
                ---------------
make, execute, endorse, acknowledge, file and/or deliver to the Collateral Agent
from time to time such vouchers, invoices, schedules, confirmatory assignments,
conveyances, financing statements, transfer endorsements, certificates, reports
and other assurances or instruments and take such further steps relating to its
Receivables, Contracts, Instruments and other property or rights covered by the
security interest hereby granted, as the Collateral Agent may reasonably
require.
<PAGE>

                                                                          Page 8

          (b) Each Assignor agrees that in the event of any change in any
requirement of law occurring after the date hereof that affects in any manner
the Collateral Agent's rights of access to, or use or sale of the FCC Licenses
or the procedures necessary to enable the Collateral Agent to obtain such rights
of access, use or sale (including, without limitation, changes allowing greater
such access), each Assignor upon reasonable request of the Collateral Agent or
the Required Lenders, shall enter into an amendment to this Agreement in form
and substance reasonably satisfactory to the Collateral Agent to provide the
Collateral Agent with such rights to the greatest extent possible consistent
with then applicable requirements of law, including without limitation the
Communications Act and the FCC Rules.

                                  ARTICLE IV

                   SPECIAL PROVISIONS CONCERNING TRADEMARKS

          4.1.  Additional Representations and Warranties.  Each Assignor
                -----------------------------------------
represents and warrants that it is the true and lawful owner of or otherwise has
the right to use the registered Marks listed in Annex D hereto for such Assignor
and that said listed Marks include all United States marks and applications for
United States marks registered in the United States Patent and Trademark Office
that such Assignor owns or uses in connection with its business as of the date
hereof.  Each Assignor represents and warrants that it owns, is licensed to use
or otherwise has the right to use, all Marks that it uses.  Each Assignor
further warrants that it has no knowledge of any third party claim received by
it that any aspect of such Assignor's present or contemplated business
operations infringes or will infringe any trademark, service mark or trade name
other than as could not, either individually or in the aggregate, reasonably be
expected to have a Material Adverse Effect.  Each Assignor represents and
warrants that it is the true and lawful owner of or otherwise has the right to
use all U.S. trademark registrations and applications listed in Annex D hereto
and that said registrations are valid, subsisting, have not been canceled and
that such Assignor is not aware of any third-party claim that any of said
registrations is invalid or unenforceable, or is not aware that there is any
reason that any of said registrations is invalid or unenforceable, or is not
aware that there is any reason that any of said applications will not pass to
registration other than as could not, either individually or in the aggregate,
reasonably be expected to have a Material Adverse Effect.  Each Assignor hereby
grants to the Collateral Agent an absolute power of attorney to sign, upon the
occurrence and during the continuance of an Event of Default, any document which
may be required by the United States Patent and Trademark Office in order to
effect an absolute assignment of all right, title and interest in each Mark, and
record the same.

          4.2.  Licenses and Assignments.  Except as otherwise permitted by the
                ------------------------
Secured Debt Agreements, each Assignor hereby agrees not to divest itself of any
right under any Mark absent prior written approval of the Collateral Agent.

          4.3.  Infringements.  Each Assignor agrees, promptly upon learning
                -------------
thereof, to notify the Collateral Agent in writing of the name and address of,
and to furnish such pertinent information that may be available with respect to,
any party who such Assignor believes is
<PAGE>

                                                                          Page 9

infringing or diluting or otherwise violating any of such Assignor's rights in
and to any Mark in any manner that could reasonably be expected to have a
Material Adverse Effect, or with respect to any party claiming that such
Assignor's use of any Mark violates in any material respect any property right
of that party. Each Assignor further agrees to prosecute in accordance with
reasonable business practices any Person infringing any Mark in any manner that
could reasonably be expected to have a Material Adverse Effect.

          4.4.  Preservation of Marks.  Each Assignor agrees to use its Marks in
                ---------------------
interstate commerce during the time in which this Agreement is in effect and to
take all such other actions as are necessary to preserve such Marks as
trademarks or service marks under the laws of the United States.

          4.5.  Maintenance of Registration.  Each Assignor shall, at its own
                ---------------------------
expense, diligently process all documents required to maintain trademark
registrations, including but not limited to affidavits of use and applications
for renewals of registration in the United States Patent and Trademark Office
for all of its significant registered Marks, and shall pay all fees and
disbursements in connection therewith and shall not abandon any such filing of
affidavit of use or any such application of renewal prior to the exhaustion of
all administrative and judicial remedies without prior written consent of the
Collateral Agent (other than with respect to registrations and applications
deemed by such Assignor to be no longer prudent to pursue).

          4.6.  Future Registered Marks.  If any Mark registration is issued
                -----------------------
hereafter to any Assignor as a result of any application now or hereafter
pending before the United States Patent and Trademark Office, within 30 days of
receipt of such certificate, such Assignor shall deliver to the Collateral Agent
a copy of such certificate, and an assignment for security in such Mark, to the
Collateral Agent and at the expense of such Assignor, confirming the assignment
for security in such Mark to the Collateral Agent hereunder, the form of such
security to be substantially the same as the form hereof or in such other form
as may be reasonably satisfactory to the Collateral Agent.

          4.7.  Remedies.  If an Event of Default shall occur and be continuing,
                --------
the Collateral Agent may, by written notice to the relevant Assignor, take any
or all of the following actions:  (i) declare the entire right, title and
interest of such Assignor in and to each of the Marks, together with all
trademark rights and rights of protection to the same, vested in the Collateral
Agent for the benefit of the Secured Creditors, in which event such rights,
title and interest shall immediately vest, in the Collateral Agent for the
benefit of the Secured Creditors, and the Collateral Agent shall be entitled to
exercise the power of attorney referred to in Section 4.1 hereof to execute,
cause to be acknowledged and notarized and record said absolute assignment with
the applicable agency; (ii) take and use or sell the Marks and the goodwill of
such Assignor's business symbolized by the Marks and the right to carry on the
business and use the assets of such Assignor in connection with which the Marks
have been used; and (iii) direct such Assignor to refrain, in which event such
Assignor shall refrain, from using the Marks in any manner whatsoever, directly
or indirectly, and such Assignor shall execute such further documents that the
Collateral Agent may reasonably request to further confirm this and to
<PAGE>

                                                                         Page 10

transfer ownership of the Marks and registrations and any pending trademark
application in the United States Patent and Trademark Office to the Collateral
Agent.

                                   ARTICLE V

                         SPECIAL PROVISIONS CONCERNING
                     PATENTS, COPYRIGHTS AND TRADE SECRETS

          5.1.  Additional Representations and Warranties.  Each Assignor
                -----------------------------------------
represents and warrants that it is the true and lawful owner of all rights in
(i) all United States trade secrets and proprietary information necessary to
operate the business of the Assignor (the "Trade Secret Rights"), (ii) the
Patents listed in Annex E hereto for such Assignor and that said Patents include
all the United States patents and applications for United States patents that
such Assignor owns as of the date hereof and (iii) the Copyrights listed in
Annex F hereto for such Assignor and that said Copyrights constitute all the
United States copyrights registered with the United States Copyright Office and
applications to United States copyrights that such Assignor owns as of the date
hereof.  Each Assignor further warrants that it has no knowledge of any third
party claim that any aspect of such Assignor's present or contemplated business
operations infringes or will infringe any patent or such Assignor has
misappropriated any trade secret or proprietary information which, either
individually or in the aggregate, could reasonably be expected to have a
Material Adverse Effect.  Each Assignor hereby grants to the Collateral Agent an
absolute power of attorney to sign, upon the occurrence and during the
continuance of any Event of Default, any document which may be required by the
United States Patent and Trademark Office in order to effect an absolute
assignment of all right, title and interest in each Patent, and to record the
same.

          5.2.  Licenses and Assignments.  Except as otherwise permitted by the
                ------------------------
Secured Debt Agreements, each Assignor hereby agrees not to divest itself of any
right under any Patent or Copyright acquired after the date hereof absent prior
written approval of the Collateral Agent.

          5.3.  Infringements.  Each Assignor agrees, promptly upon learning
                -------------
thereof, to furnish the Collateral Agent in writing with all pertinent
information available to such Assignor with respect to any infringement,
contributing infringement or active inducement to infringe in any Patent or
Copyright or to any claim that the practice of any Patent or use of any
Copyright violates any property right of a third party, or with respect to any
misappropriation of any Trade Secret Right or any claim that practice of any
Trade Secret Right violates any property right of a third party in any manner
which, either individually or in the aggregate, could reasonably be expected to
have a Material Adverse Effect.  Each Assignor further agrees, absent direction
of the Collateral Agent to the contrary, to diligently prosecute any Person
infringing any Patent or Copyright or any Person misappropriating any Trade
Secret Right, in each case to the extent that such infringement or
misappropriation could reasonably be expected to have a Material Adverse Effect.
<PAGE>

                                                                         Page 11


          5.4.  Maintenance of Patents or Copyright.  At its own expense, each
                -----------------------------------
Assignor shall make timely payment of all post-issuance fees required pursuant
to 35 U.S.C. (S) 41 to maintain in force its rights under each Patent or
Copyright, absent prior written consent of the Collateral Agent.

          5.5.  Prosecution of Patent Applications.  At its own expense, each
                ----------------------------------
Assignor shall diligently prosecute all significant applications for (i) United
States Patents listed in Annex E hereto and (ii) Copyrights listed on Annex F
hereto, in each case for such Assignor and shall not abandon any such
application prior to exhaustion of all administrative and judicial remedies
(other than applications deemed by such Assignor to be no longer prudent to
pursue), absent written consent of the Collateral Agent.

          5.6.  Other Patents and Copyrights.  Within 30 days of the acquisition
                ----------------------------
or issuance of a United States Patent, registration of a Copyright, or
acquisition of a registered Copyright, or of filing of an application for a
United States Patent or Copyright, the relevant Assignor shall deliver to the
Collateral Agent a copy of said Copyright or certificate or registration of, or
application therefor, said Patents, as the case may be, with an assignment for
security as to such Patent or Copyright, as the case may be, to the Collateral
Agent and at the expense of such Assignor, confirming the assignment for
security, the form of such assignment for security to be substantially the same
as the form hereof or in such other form as may be reasonably satisfactory to
the Collateral Agent.

          5.7.  Remedies.  If an Event of Default shall occur and be continuing,
                --------
the Collateral Agent may by written notice to the relevant Assignor, take any or
all of the following actions:  (i) declare the entire right, title, and interest
of such Assignor in each of the Patents and Copyrights vested in the Collateral
Agent for the benefit of the Secured Creditors, in which event such right,
title, and interest shall immediately vest in the Collateral Agent for the
benefit of the Secured Creditors, in which case the Collateral Agent shall be
entitled to exercise the power of attorney referred to in Section 5.1 hereof to
execute, cause to be acknowledged and notarized and to record said absolute
assignment with the applicable agency; (ii) take and practice or sell the
Patents and Copyrights; and (iii) direct such Assignor to refrain, in which
event such Assignor shall refrain, from practicing the Patents and using the
Copyrights directly or indirectly, and such Assignor shall execute such further
documents as the Collateral Agent may reasonably request further to confirm this
and to transfer ownership of the Patents and Copyrights to the Collateral Agent
for the benefit of the Secured Creditors.

                                  ARTICLE VI

                     PROVISIONS CONCERNING ALL COLLATERAL

          6.1.  Protection of Collateral Agent's Security.  Each Assignor will
                -----------------------------------------
do nothing to impair the rights of the Collateral Agent in the Collateral in any
material respect.  Each Assignor will at all times keep its Inventory and
Equipment insured in favor of the Collateral Agent, at such Assignor's own
expense to the extent and in the manner provided in the Credit Agreement.
<PAGE>

                                                                         Page 12

Except to the extent otherwise permitted to be retained by such Assignor or
applied by such Assignor pursuant to the terms of the Credit Agreement, the
Collateral Agent shall, at the time any proceeds of such insurance are
distributed to the Secured Creditors, apply such proceeds in accordance with
Section 7.4 hereof.  Each Assignor assumes all liability and responsibility in
connection with the Collateral acquired by it and the liability of such Assignor
to pay the Obligations shall in no way be affected or diminished by reason of
the fact that such Collateral may be lost, destroyed, stolen, damaged or for any
reason whatsoever unavailable to such Assignor.

          6.2.  Warehouse Receipts Non-negotiable.  To the extent practicable,
                ---------------------------------
each Assignor agrees that if any warehouse receipt or receipt in the nature of a
warehouse receipt is issued with respect to any of its Inventory, such Assignor
shall request that such warehouse receipt or receipt in the nature thereof shall
not be "negotiable" (as such term is used in Section 7-104 of the Uniform
Commercial Code as in effect in any relevant jurisdiction or under other
relevant law).

          6.3.  Further Actions.  Each Assignor will, at its own expense and
                ---------------
upon the reasonable request of the Collateral Agent, make, execute, endorse,
acknowledge, file and/or deliver to the Collateral Agent from time to time such
lists, descriptions and designations of its Collateral, warehouse receipts,
receipts in the nature of warehouse receipts, bills of lading, documents of
title, vouchers, invoices, schedules, confirmatory assignments, conveyances,
financing statements, transfer endorsements, certificates, reports and other
assurances or instruments and take such further steps relating to the Collateral
and other property or rights covered by the security interest hereby granted,
which the Collateral Agent deems reasonably appropriate or advisable to perfect,
preserve or protect its security interest in the Collateral.

          6.4.  Financing Statements.  Each Assignor agrees to execute and
                --------------------
deliver to the Collateral Agent such financing statements, in form reasonably
acceptable to the Collateral Agent, as the Collateral Agent may from time to
time reasonably request or as are reasonably necessary or desirable in the
opinion of the Collateral Agent to establish and maintain a valid, enforceable,
first priority perfected security interest in the Collateral as provided herein
and the other rights and security contemplated hereby all in accordance with the
UCC as enacted in any and all relevant jurisdictions or any other relevant law.
Each Assignor will pay any applicable filing fees, recordation taxes and related
expenses relating to its Collateral.  Each Assignor hereby authorizes the
Collateral Agent to file any such financing statements without the signature of
such Assignor where permitted by law.

          6.5.  FCC Licenses; etc.  Each Assignor agrees to take any and all
                ------------------
necessary and appropriate commercially reasonable actions to preserve the FCC
Licenses and the Governmental Authorizations and to otherwise prevent any
modification, revocation, suspension, cancellation, or refusal by the FCC or
other applicable governmental authority to renew any of the FCC Licenses or
Governmental Authorizations except to the extent such modification, revocation,
suspension, cancellation or refusal could not reasonably be expected to have a
Material Adverse Effect. To that end, each Assignor shall execute any and all
documents required by the FCC or
<PAGE>

                                                                         Page 13

any other governmental authority or reasonably requested by the Borrower or the
Collateral Agent, and to provide any information with its possession reasonably
requested by any of the foregoing, to ensure that any and all applications,
reports, and other filings are made with the FCC or any other governmental
authority in a timely fashion and that no action is taken by the FCC, any court,
or any governmental authority which could have a material adverse effect on any
of the FCC Licenses.

                                  ARTICLE VII

                 REMEDIES UPON OCCURRENCE OF EVENT OF DEFAULT

          7.1.  Remedies; Obtaining the Collateral Upon Default.  Each Assignor
                -----------------------------------------------
agrees that, if any Event of Default shall have occurred and be continuing, then
and in every such case, the Collateral Agent, in addition to any rights now or
hereafter existing under applicable law, shall have all rights as a secured
creditor under any UCC, and such additional rights and remedies to which a
secured creditor is entitled under the laws in effect, in all relevant
jurisdictions and may:

           (i) personally, or by agents or attorneys, immediately take
     possession of the Collateral or any part thereof, from such Assignor or any
     other Person who then has possession of any part thereof with or without
     notice or process of law, and for that purpose may enter upon such
     Assignor's premises where any of the Collateral is located and remove the
     same and use in connection with such removal any and all services,
     supplies, aids and other facilities of such Assignor;

           (ii) instruct the obligor or obligors on any agreement, instrument or
     other obligation (including, without limitation, the Receivables and the
     Contracts) constituting the Collateral to make any payment required by the
     terms of such agreement, instrument or other obligation directly to the
     Collateral Agent and may exercise any and all remedies of such Assignor in
     respect of such Collateral;

           (iii)  withdraw all monies, securities and instruments in the Cash
     Collateral Account for application to the Obligations in accordance with
     Section 7.4 hereof;

           (iv) sell, assign or otherwise liquidate any or all of the Collateral
     or any part thereof in accordance with Section 7.2 hereof, or direct the
     relevant Assignor to sell, assign or otherwise liquidate any or all of the
     Collateral or any part thereof, and, in each case, take possession of the
     proceeds of any such sale or liquidation;

           (v) take possession of the Collateral or any part thereof, by
     directing the relevant Assignor in writing to deliver the same to the
     Collateral Agent at any reasonable place or places designated by the
     Collateral Agent, in which event such Assignor shall at its own expense:
<PAGE>

                                                                         Page 14

               (x) forthwith cause the same to be moved to the place or places
          so designated by the Collateral Agent and there delivered to the
          Collateral Agent;

               (y) store and keep any Collateral so delivered to the Collateral
          Agent at such place or places pending further action by the Collateral
          Agent as provided in Section 7.2 hereof; and

               (z) while the Collateral shall be so stored and kept, provide
          such guards and maintenance services as shall be necessary to protect
          the same and to preserve and maintain them in good condition; and

           (vi) license or sublicense, whether on an exclusive or nonexclusive
     basis, any Marks, Patents or Copyrights included in the Collateral for such
     term and on such conditions and in such manner as the Collateral Agent
     shall in its sole judgment determine;

it being understood that each Assignor's obligation so to deliver the Collateral
is of the essence of this Agreement and that, accordingly, upon application to a
court of equity having jurisdiction, the Collateral Agent shall be entitled to a
decree requiring specific performance by such Assignor of said obligation.  By
accepting the benefits of this Agreement, the Secured Creditors agree that this
Agreement may be enforced only by the action of the Collateral Agent acting upon
the instructions of the Required Secured Creditors and that no other Secured
Creditor shall have any right individually to seek to enforce this Agreement or
to realize upon the security to be granted hereby, it being understood and
agreed that such rights and remedies may be exercised by the Collateral Agent
for the benefit of the Secured Creditors upon the terms of this Agreement and
the Credit Agreement.

          7.2.  Remedies; Disposition of the Collateral.  If any Event of
                ---------------------------------------
Default shall have occurred and be continuing, then any Collateral repossessed
by the Collateral Agent under or pursuant to Section 7.1 hereof and any other
Collateral whether or not so repossessed by the Collateral Agent, may be sold,
assigned, leased or otherwise disposed of under one or more contracts or as an
entirety, and without the necessity of gathering at the place of sale the
property to be sold, and in general in such manner, at such time or times, at
such place or places and on such terms as the Collateral Agent may, in
compliance with any mandatory requirements of applicable law (including, in the
case of any disposition of the FCC Licenses or transfer of control thereof, the
Communications Act and the FCC Rules), determine to be commercially reasonable
and each Assignor agrees that the FCC Licenses and other Governmental
Authorizations are, in such event, to be transferred or assigned together with
such Collateral.  Subject to, in the case of any disposition of the FCC Licenses
or transfer of control thereof, receipt of any approvals required under the
Communications Act or the FCC Rules, any of the Collateral may be sold, leased
or otherwise disposed of, in the condition in which the same existed when taken
by the Collateral Agent or after any overhaul or repair at the expense of the
relevant Assignor which the Collateral Agent shall determine to be commercially
reasonable.  Any such disposition which shall be a private sale or other private
proceedings permitted by such requirements shall be made upon not
<PAGE>

                                                                         Page 15

less than 10 days' prior written notice to the relevant Assignor specifying the
time at which such disposition is to be made and the intended sale price or
other consideration therefor, and shall be subject, for the 10 days after the
giving of such notice, to the right of the relevant Assignor or any nominee of
such Assignor to acquire the Collateral involved at a price or for such other
consideration at least equal to the intended sale price or other consideration
so specified. Any such disposition which shall be a public sale permitted by
such requirements shall be made upon not less than 10 days' prior written notice
to the relevant Assignor specifying the time and place of such sale and, in the
absence of applicable requirements of law, shall be by public auction (which
may, at the Collateral Agent's option, be subject to reserve), after publication
of notice of such auction (where required by applicable law) not less than 10
days prior thereto. The Collateral Agent may, without notice or publication,
adjourn any public or private sale or cause the same to be adjourned from time
to time by announcement at the time and place fixed for the sale, and such sale
may be made at any time or place to which the sale may be so adjourned. To the
extent permitted by any such requirement of law, the Collateral Agent may bid
for and become the purchaser of the Collateral or any item thereof, offered for
sale in accordance with this Section without accountability to the relevant
Assignor. If, under mandatory requirements of applicable law, the Collateral
Agent shall be required to make disposition of the Collateral within a period of
time which does not permit the giving of notice to the relevant Assignor as
hereinabove specified, the Collateral Agent need give such Assignor only such
notice of disposition as shall be reasonably practicable in view of such
mandatory requirements of applicable law. Each Assignor agrees to do or cause to
be done all such other acts and things as may be reasonably necessary to make
such sale or sales of all or any portion of the Collateral valid and binding and
in compliance with any and all applicable laws, regulations, orders, writs,
injunctions, decrees or awards of any and all courts, arbitrators or
governmental instrumentalities, domestic or foreign, having jurisdiction over
any such sale or sales, all at such Assignor's expense.

          7.3.  Waiver of Claims.  Except as otherwise provided in this
                ----------------
Agreement, EACH ASSIGNOR HEREBY WAIVES, TO THE EXTENT PERMITTED BY APPLICABLE
LAW, NOTICE AND JUDICIAL HEARING IN CONNECTION WITH THE COLLATERAL AGENT'S
TAKING POSSESSION OR THE COLLATERAL AGENT'S DISPOSITION OF ANY OF THE
COLLATERAL, INCLUDING, WITHOUT LIMITATION, ANY AND ALL PRIOR NOTICE AND HEARING
FOR ANY PREJUDGMENT REMEDY OR REMEDIES, and each Assignor hereby further waives,
to the extent permitted by law:

           (i) all damages occasioned by such taking of possession except any
     damages which are the direct result of the Collateral Agent's gross
     negligence or willful misconduct;

           (ii) all other requirements as to the time, place and terms of sale
     or other requirements with respect to the enforcement of the Collateral
     Agent's rights hereunder; and
<PAGE>

                                                                         Page 16

           (iii)  all rights of redemption, appraisement, valuation, stay,
     extension or moratorium now or hereafter in force under any applicable law
     in order to prevent or delay the enforcement of this Agreement or the
     absolute sale of the Collateral or any portion thereof, and each Assignor,
     for itself and all who may claim under it, insofar as it or they now or
     hereafter lawfully may, hereby waives the benefit of all such laws.

Any sale of, or the grant of options to purchase, or any other realization upon,
any Collateral shall operate to divest all right, title, interest, claim and
demand, either at law or in equity, of the relevant Assignor therein and
thereto, and shall be a perpetual bar both at law and in equity against such
Assignor and against any and all Persons claiming or attempting to claim the
Collateral so sold, optioned or realized upon, or any part thereof, from,
through and under such Assignor.

          7.4.  Application of Proceeds.  (a)  All moneys collected by the
                -----------------------
Collateral Agent (or, to the extent the Pledge Agreement, any Mortgage or any
Additional Security Document require proceeds of collateral under such other
Security Document to be applied in accordance with the provisions of this
Agreement, the Pledgee or Collateral Agent under such other Security Document)
upon any sale or other disposition of the Collateral, together with all other
moneys received by the Collateral Agent hereunder, shall be applied as follows.

           (i) first, to the payment of all amounts owing the Collateral Agent
     of the type described in clauses (iii) and (iv) of the definition of
     "Obligations";

           (ii) second, to the extent proceeds remain after the application
     pursuant to the preceding clause (i), an amount equal to the outstanding
     Primary Obligations shall be paid to the Secured Creditors as provided in
     Section 7.4(e) hereof, with each Secured Creditor receiving an amount equal
     to such outstanding Primary Obligations or, if the proceeds are
     insufficient to pay in full all such Primary Obligations, its Pro Rata
     Share of the amount remaining to be distributed;

           (iii)  third, to the extent proceeds remain after the application
     pursuant to the preceding clauses (i) and (ii), an amount equal to the
     outstanding Secondary Obligations shall be paid to the Secured Creditors as
     provided in Section 7.4(e) hereof, with each Secured Creditor receiving an
     amount equal to its outstanding Secondary Obligations or, if the proceeds
     are insufficient to pay in full all such Secondary Obligations, its Pro
     Rata Share of the amount remaining to be distributed; and

           (iv) fourth, to the extent proceeds remain after the application
     pursuant to the preceding clauses (i) through (iii), inclusive, and
     following the termination of this Agreement pursuant to Section 10.8(a)
     hereof, to the relevant Assignor or to whomever may be lawfully entitled to
     receive such surplus.

          (b) For purposes of this Agreement, (x) "Pro Rata Share" shall mean,
when calculating a Secured Creditor's portion of any distribution or amount,
that amount (expressed as a percentage) equal to a fraction the numerator of
which is the then unpaid amount of such
<PAGE>

                                                                        Page 17

Secured Creditor's Primary Obligations or Secondary Obligations, as the case may
be, and the denominator of which is the then outstanding amount of all Primary
Obligations or Secondary Obligations, as the case may be, (y) "Primary
Obligations" shall mean (i) in the case of the Credit Document Obligations, all
principal of, premium, fees and interest on, all Loans, all Unpaid Drawings and
all Fees and (ii) in the case of the Other Obligations, all amounts due under
such Interest Rate Protection Agreements or Other Hedging Agreements (other than
indemnities, fees (including, without limitation, attorneys' fees) and similar
obligations and liabilities) and (z) "Secondary Obligations" shall mean all
Obligations other than Primary Obligations.

          (c) When payments to Secured Creditors are based upon their respective
Pro Rata Shares, the amounts received by such Secured Creditors hereunder shall
be applied (for purposes of making determinations under this Section 7.4 only)
(i) first, to their Primary Obligations and (ii) second, to their Secondary
Obligations.  If any payment to any Secured Creditor of its Pro Rata Share of
any distribution would result in overpayment to such Secured Creditor, such
excess amount shall instead be distributed in respect of the unpaid Primary
Obligations or Secondary Obligations, as the case may be, of the other Secured
Creditors, with each Secured Creditor whose Primary Obligations or Secondary
Obligations, as the case may be, have not been paid in full to receive an amount
equal to such excess amount multiplied by a fraction the numerator of which is
the unpaid Primary Obligations or Secondary Obligations, as the case may be, of
such Secured Creditor and the denominator of which is the unpaid Primary
Obligations or Secondary Obligations, as the case may be, of all Secured
Creditors entitled to such distribution.

          (d) Each of the Secured Creditors, by their acceptance of the benefits
hereof, agrees and acknowledges that if the Lender Creditors are to receive a
distribution on account of undrawn amounts with respect to Letters of Credit
issued under the Credit Agreement (which shall only occur after all outstanding
Loans and Unpaid Drawings with respect to such Letters of Credit have been paid
in full), such amounts shall be paid to the Administrative Agent under the
Credit Agreement and held by it, for the equal and ratable benefit of the Lender
Creditors, as cash security for the repayment of Obligations owing to the Lender
Creditors as such.  If any amounts are held as cash security pursuant to the
immediately preceding sentence, then upon the termination of all outstanding
Letters of Credit, and after the application of all such cash security to the
repayment of all Obligations owing to the Lender Creditors after giving effect
to the termination of all such Letters of Credit, if there remains any excess
cash, such excess cash shall be returned by the Administrative Agent to the
Collateral Agent for distribution in accordance with Section 7.4(a) hereof.

          (e) All payments required to be made hereunder shall be made (x) if to
the Lender Creditors, to the Administrative Agent under the Credit Agreement for
the account of the Lender Creditors, and (y) if to the Other Creditors, to the
trustee, paying agent or other similar representative (each a "Representative")
for the Other Creditors or, in the absence of such a Representative, directly to
the Other Creditors.
<PAGE>

                                                                         Page 18

          (f) For purposes of applying payments received in accordance with this
Section 7.4, the Collateral Agent shall be entitled to rely upon (i) the
Administrative Agent under the Credit Agreement and (ii) the Representative for
the Other Creditors or, in the absence of such a Representative, upon the Other
Creditors for a determination (which the Administrative Agent, each
Representative for any Other Creditors and the Secured Creditors agree (or shall
agree) to provide upon request of the Collateral Agent) of the outstanding
Primary Obligations and Secondary Obligations owed to the Lender Creditors or
the Other Creditors, as the case may be.  Unless it has actual knowledge
(including by way of written notice from a Lender Creditor or an Other Creditor)
to the contrary, the Administrative Agent and each Representative, in furnishing
information pursuant to the preceding sentence, and the Collateral Agent, in
acting hereunder, shall be entitled to assume that no Secondary Obligations are
outstanding. Unless it has actual knowledge (including by way of written notice
from an Other Creditor) to the contrary, the Collateral Agent, in acting
hereunder, shall be entitled to assume that no Interest Rate Protection
Agreements or Other Hedging Agreements are in existence.

          (g) It is understood that the Assignors shall remain jointly and
severally liable to the extent of any deficiency between the amount of the
proceeds of the Collateral and the aggregate amount of the Obligations.

          7.5.  Remedies Cumulative.  Each and every right, power and remedy
                -------------------
hereby specifically given to the Collateral Agent shall be in addition to every
other right, power and remedy specifically given under this Agreement, the other
Secured Debt Agreements or now or hereafter existing at law, in equity or by
statute and each and every right, power and remedy whether specifically herein
given or otherwise existing may be exercised from time to time or simultaneously
and as often and in such order as may be deemed expedient by the Collateral
Agent.  All such rights, powers and remedies shall be cumulative and the
exercise or the beginning of the exercise of one shall not be deemed a waiver of
the right to exercise any other or others.  No delay or omission of the
Collateral Agent in the exercise of any such right, power or remedy and no
renewal or extension of any of the Obligations shall impair any such right,
power or remedy or shall be construed to be a waiver of any Default or Event of
Default or an acquiescence therein.  No notice to or demand on any Assignor in
any case shall entitle it to any other or further notice or demand in similar or
other circumstances or constitute a waiver of any of the rights of the
Collateral Agent to any other or further action in any circumstances without
notice or demand.  In the event that the Collateral Agent shall bring any suit
to enforce any of its rights hereunder and shall be entitled to judgment, then
in such suit the Collateral Agent may recover reasonable expenses, including
reasonable attorneys' fees, and the amounts thereof shall be included in such
judgment.

          7.6.  Discontinuance of Proceedings.  In case the Collateral Agent
                -----------------------------
shall have instituted any proceeding to enforce any right, power or remedy under
this Agreement by foreclosure, sale, entry or otherwise, and such proceeding
shall have been discontinued or abandoned for any reason or shall have been
determined adversely to the Collateral Agent, then and in every such case the
relevant Assignor, the Collateral Agent and each holder of any of the
Obligations shall be restored to their former positions and rights hereunder
with respect to the Collateral subject to
<PAGE>

                                                                         Page 19

the security interest created under this Agreement, and all rights, remedies and
powers of the Collateral Agent shall continue as if no such proceeding had been
instituted.

          7.7.  Actions Requiring FCC Approval.  (a)  Notwithstanding anything
                ------------------------------
to the contrary contained in this Agreement, or any of the documents executed
pursuant hereto, the Collateral Agent will not take any action pursuant to this
Agreement, or any such documents, which would constitute or result in any
assignment or transfer of any FCC License if such control would require under
then existing law (including the Communications Act or the FCC Rules) the prior
approval of the FCC, without first obtaining such approval.  In connection with
this Section 7.7, the Collateral Agent shall be entitled to rely upon the advice
of FCC counsel of the Collateral Agent's choice with respect to such assignment
or transfer (including to determine whether any such assignment or transfer has
occurred or will occur and whether or not prior approval of the FCC is required)
whether or not the advice rendered is ultimately determined to have been
accurate.

          (b) If an Event of Default shall have occurred and be continuing, each
Assignor shall take any action which the Collateral Agent may request in the
exercise of its rights and remedies under this Agreement in order to transfer or
assign the Collateral to the Collateral Agent or to such one or more third
parties as the Collateral Agent may designate, or to a combination of the
foregoing, including the assignment or transfer of the FCC Licenses.  To enforce
the provisions of this Section 7.7 after an Event of Default shall have occurred
and be continuing, the Collateral Agent is empowered to request, and each
Assignor hereby agrees to authorize, the appointment of a receiver or trustee
from any court of competent jurisdiction.  Such receiver or trustee shall be
instructed to seek from the FCC (and any other governmental authority) such
consent or approval as may be required by the Communications Act and the FCC
Rules for any assignment of the assets of or transfer of control of any or all
of the FCC Licenses or other Governmental Authorizations or any Person whose
stock, partnership interest or other equity interest is subject to this
Agreement to the extent required for such trustee or receiver to assume such
control for the purpose of seeking a bona fide purchaser to whom such FCC
Licenses or other Governmental Authorizations or Collateral will be assigned or
control of such entity ultimately will be transferred.  Each Assignor agrees, at
such Assignor's cost and expense, to cooperate with any such trustee or
receiver, or at such trustee's or receiver's direction, such purchaser and with
the Collateral Agent in the preparation, execution and filing of any
applications or other documents and providing any information that may be
necessary or helpful in obtaining the consent of the FCC (or other governmental
authorities) to the assignment or transfer to such trustee or receiver, or at
such trustee's or receiver's direction, such purchaser of the FCC Licenses or
other governmental authorizations or Collateral.  To the fullest extent
permitted under applicable law, each Assignor hereby agrees to consent to and
authorize any such transfer of control upon the request of the Collateral Agent
after the occurrence of and during the continuation of an Event of Default and,
without limiting any rights of the Collateral Agent under this Agreement, to
authorize the Collateral Agent to nominate a trustee or receiver to assume
control of the Collateral, subject only to any required consent, approval or
order of a court of competent jurisdiction, the FCC or other governmental
authorities, for the purposes of
<PAGE>

                                                                         Page 20

effectuating the transactions contemplated in this Section 7.7(b). Such trustee
or receiver shall have all the rights and powers as provided to it by law, court
order or to the Collateral Agent under this Agreement. Each Assignor shall
cooperate fully and use its best efforts in obtaining the consent of the FCC and
the approval or consent of each other governmental authority required to
effectuate the foregoing.

          (c) Each Assignor shall use its best efforts to assist in obtaining
the consent or approval of the FCC, any court, and any other governmental
authority, if required, for any action or transaction contemplated by this
Agreement, including, without limitation, the preparation, execution and filing
with the FCC of the transferor's or assignor's portion of any application or
applications for consent to the transfer of control or assignment necessary or
appropriate under the FCC's policies, rules and regulations for approval of the
transfer or assignments of all or any portion of the Collateral.

          (d) Each Assignor hereby acknowledges and agrees that the Collateral
consists of unique assets and that a violation of such Assignor's covenant to
cooperate with respect to the obtainment of any regulatory consents would result
in irreparable harm to the Collateral Agent for which monetary damages are not
readily ascertainable.  Each Assignor further agrees that, because of the unique
nature of its undertakings in this Section 7.7, the same may be specifically
enforced, and such Assignor hereby waives, and agrees to waive, any claim or
defense that the Collateral Agent would have an adequate remedy at law for the
breach of such undertakings and any requirement for posting of a bond or other
certificate.

          (e) Without limiting the obligations of any Assignor hereunder in any
respect, each Assignor further agrees that if such Assignor upon or after the
occurrence and during the continuance of an Event of Default, should fail or
refuse to execute any application or other document necessary or appropriate to
obtain any governmental consent necessary or appropriate for the exercise of any
right of the Collateral Agent hereunder, such Assignor agrees that, to the
fullest extent permitted by the Communications Act and the FCC Rules, such
application or other document may be executed on such Assignor's behalf by the
clerk of any court or other forum in any competent jurisdiction without notice
to such Assignor.

          (f) This Section 7.7 shall not limit any other rights of the
Collateral Agent or the other Secured Creditors available under applicable law
and consistent with the Communications Act and the FCC Rules.

                                 ARTICLE VIII

                                   INDEMNITY

          8.1.  Indemnity.  (a)  Each Assignor jointly and severally agrees to
                ---------
indemnify, reimburse and hold the Collateral Agent, each other Secured Creditor
and their respective
<PAGE>

                                                                        Page  21

successors, permitted assigns, employees and agents (hereinafter in this Section
8.1 referred to individually as "Indemnitee," and collectively as "Indemnitees")
harmless from any and all liabilities, obligations, damages, injuries,
penalties, claims, demands, actions, suits, judgments and any and all costs,
expenses or disbursements (including reasonable attorneys' fees and expenses)
(for the purposes of this Section 8.1 the foregoing are collectively called
"expenses") of whatsoever kind and nature imposed on, asserted against or
incurred by any of the Indemnitees in any way relating to or arising out of this
Agreement, any other Secured Debt Agreement or any other document executed in
connection herewith or therewith or in any other way connected with the
administration of the transactions contemplated hereby or thereby or the
enforcement of any of the terms of, or the preservation of any rights under any
thereof, or in any way relating to or arising out of the manufacture, ownership,
ordering, purchase, delivery, control, acceptance, lease, financing, possession,
operation, condition, sale, return or other disposition, or use of the
Collateral (including, without limitation, latent or other defects, whether or
not discoverable), the violation of the laws of any country, state or other
governmental body or unit, any tort (including, without limitation, claims
arising or imposed under the doctrine of strict liability, or for or on account
of injury to or the death of any Person (including any Indemnitee), or property
damage), or contract claim; provided that no Indemnitee shall be indemnified
pursuant to this Section 8.1(a) for losses, damages or liabilities to the extent
caused by the gross negligence or willful misconduct of such Indemnitee. Each
Assignor agrees that upon written notice by any Indemnitee of the assertion of
such a liability, obligation, damage, injury, penalty, claim, demand, action,
suit or judgment, the relevant Assignor shall assume full responsibility for the
defense thereof. Each Indemnitee agrees to use its best efforts to promptly
notify the relevant Assignor of any such assertion of which such Indemnitee has
knowledge.

          (b) Without limiting the application of Section 8.1(a) hereof, each
Assignor agrees, jointly and severally, to pay, or reimburse the Collateral
Agent for any and all reasonable fees, costs and expenses of whatever kind or
nature incurred in connection with the creation, preservation or protection of
the Collateral Agent's Liens on, and security interest in, the Collateral,
including, without limitation, all fees and taxes in connection with the
recording or filing of instruments and documents in public offices, payment or
discharge of any taxes or Liens upon or in respect of the Collateral, premiums
for insurance with respect to the Collateral and all other fees, costs and
expenses in connection with protecting, maintaining or preserving the Collateral
and the Collateral Agent's interest therein, whether through judicial
proceedings or otherwise, or in defending or prosecuting any actions, suits or
proceedings arising out of or relating to the Collateral.

          (c) Without limiting the application of Section 8.1(a) or (b) hereof,
each Assignor agrees, jointly and severally, to pay, indemnify and hold each
Indemnitee harmless from and against any loss, costs, damages and expenses which
such Indemnitee may suffer, expend or incur in consequence of or growing out of
any misrepresentation by any Assignor in this Agreement, any other Secured Debt
Agreement or in any writing contemplated by or made or delivered pursuant to or
in connection with this Agreement or any other Secured Debt Agreement.
<PAGE>

                                                                         Page 22

          (d) If and to the extent that the obligations of any Assignor under
this Section 8.1 are unenforceable for any reason, such Assignor hereby agrees
to make the maximum contribution to the payment and satisfaction of such
obligations which is permissible under applicable law.

          8.2.  Indemnity Obligations Secured by Collateral; Survival.  Any
                -----------------------------------------------------
amounts paid by any Indemnitee as to which such Indemnitee has the right to
reimbursement shall constitute Obligations secured by the Collateral.  The
indemnity obligations of each Assignor contained in this Article VIII shall
continue in full force and effect notwithstanding the full payment of all of the
other Obligations and notwithstanding the full payment of all the Notes issued,
and loans made under the Credit Agreement, the termination of all Interest Rate
Protection Agreements, Other Hedging Agreements and Letters of Credit and the
payment of all other Obligations and notwithstanding the discharge thereof.

                                  ARTICLE IX


                                  DEFINITIONS

          The following terms shall have the meanings herein specified.  Such
definitions shall be equally applicable to the singular and plural forms of the
terms defined.

          "Administrative Agent" shall have the meaning provided in the recitals
of this Agreement.

          "Agreement" shall mean this Security Agreement as the same may be
modified, supplemented or amended from time to time in accordance with its
terms.

          "Assignor" shall have the meaning provided in the first paragraph of
this Agreement.

          "Borrower" shall have the meaning provided in the recitals of this
Agreement.

          "Cash Collateral Account" shall mean a cash collateral account
maintained with, and in the sole dominion and control of, the Collateral Agent
for the benefit of the Secured Creditors.

          "Chattel Paper" shall have the meaning provided in the Uniform
Commercial Code as in effect on the date hereof in the State of New York.

          "Class" shall have the meaning provided in Section 10.2 of this
Agreement.

          "Collateral" shall have the meaning provided in Section 1.1(a) of this
Agreement.

          "Collateral Agent" shall have the meaning provided in the first
paragraph of this Agreement.
<PAGE>

                                                                         Page 23

          "Contract Rights" shall mean all rights of any Assignor under each
Contract, including, without limitation, (i) any and all rights to receive and
demand payments under any or all Contracts, (ii) any and all rights to receive
and compel performance under any or all Contracts and (iii) any and all other
rights, interests and claims now existing or in the future arising in connection
with any or all Contracts.

          "Contracts" shall mean all contracts between any Assignor and one or
more additional parties (including, without limitation, any Interest Rate
Protection Agreements or Other Hedging Agreements, any Operating Agreements and
any partnership agreements, joint venture agreements and limited liability
company agreements), but excluding any contract to the extent that (but only as
long as) the terms thereof prohibit the assignment of, or granting a security
interest in, such contract (it being understood and agreed, however, (i) that
notwithstanding the foregoing, all rights to payment for money due or to become
due pursuant to any such excluded contract shall be subject to the security
interests created by this Agreement and (ii) such excluded contract shall
otherwise be subject to the security interests created by this Agreement upon
receiving any necessary approvals or waivers permitting the assignment thereof).

          "Copyrights" shall mean any United States copyright owned by any
Assignor, including any registrations of any Copyrights, in the United States
Copyright Office or any foreign equivalent office, as well as any application
for a copyright registration now or hereafter made with the United States
Copyright Office or any foreign equivalent office by any Assignor.

          "Credit Agreement" shall have the meaning provided in the recitals of
this Agreement.

          "Credit Document Obligations" shall have the meaning provided in the
definition of "Obligations" in this Article IX.

          "Default" shall mean any event which, with notice or lapse of time, or
both, would constitute an Event of Default.

          "Documents" shall have the meaning provided in the Uniform Commercial
Code as in effect on the date hereof in the State of New York.

          "Equipment" shall mean any "equipment," as such term is defined in the
Uniform Commercial Code as in effect on the date hereof in the State of New
York, now or hereafter owned by any Assignor and, in any event, shall include,
but shall not be limited to, all machinery, equipment, furnishings, fixtures and
vehicles now or hereafter owned by any Assignor and any and all additions,
substitutions and replacements of any of the foregoing, wherever located,
together with all attachments, components, parts, equipment and accessories
installed thereon or affixed thereto.
<PAGE>

                                                                         Page 24

          "Event of Default" shall mean any Event of Default under, and as
defined in, the Credit Agreement and shall in any event include, without
limitation, any payment default on any of the Other Obligations after the
expiration of any applicable grace period.

          "FCC License" shall have the meaning provided in Section 1.1 of this
Agreement.

          "FCC Rules" shall mean the policies, rules and regulations of the FCC
and the Communications Act.

          "General Intangibles" shall have the meaning provided in the Uniform
Commercial Code as in effect on the date hereof in the State of New York (and
shall include all partnership interests and all limited liability company and
membership interests).

          "Goods" shall have the meaning provided in the Uniform Commercial Code
as in effect on the date hereof in the State of New York.

          "Governmental Authorizations" shall mean, in addition to all FCC
Licenses, all licenses, certificates, registrations and authorizations issued by
any governmental entity (domestic and foreign) necessary to operate each
Assignor's business.

          "Indemnitee" shall have the meaning provided in Section 8.1 of this
Agreement.

          "Instrument" shall have the meaning provided in the Uniform Commercial
Code as in effect on the date hereof in the State of New York.

          "Inventory" shall mean merchandise, inventory and goods, and all
additions, substitutions and replacements thereof, wherever located, together
with all goods, supplies, incidentals, packaging materials, labels, materials
and any other items used or usable in manufacturing, processing, packaging or
shipping same, in all stages of production -- from raw materials through work-
in-process to finished goods -- and all products and proceeds of whatever sort
and wherever located and any portion thereof which may be returned, rejected,
reclaimed or repossessed by the Collateral Agent from any Assignor's customers,
and shall specifically include all "inventory" as such term is defined in the
Uniform Commercial Code as in effect on the date hereof in the State of New
York, now or hereafter owned by any Assignor.

          "Investment Property" shall have the meaning provided in the Uniform
Commercial Code as in effect on the date hereof in the State of New York.

          "Lender Creditors" shall have the meaning provided in the recitals of
this Agreement.

          "Lenders" shall have the meaning provided in the recitals of this
Agreement.

          "Liens" shall mean any security interest, mortgage, pledge, lien,
claim, charge, encumbrance, title retention agreement, lessor's interest in a
financing lease or analogous instrument, in, of, or on any Assignor's property.
<PAGE>

                                                                         Page 25

          "Marks" shall mean all right, title and interest in and to any
trademarks, service marks and trade names now held or hereafter acquired by any
Assignor, including any registration of any trademarks and service marks in the
United States Patent and Trademark Office or in any equivalent foreign office
and any trade dress including logos and/or designs used by any Assignor.

          "Obligations" shall mean (i)  the full and prompt payment when due
(whether at the stated maturity, by acceleration or otherwise) of all
obligations and indebtedness (including, without limitation, indemnities, Fees
and interest thereon) of each Assignor to the Lender Creditors, whether now
existing or hereafter incurred under, arising out of, or in connection with the
Credit Agreement and the other Credit Documents to which such Assignor is a
party (including, in the case of each Subsidiary Guarantor, all such obligations
and indebtedness of such Subsidiary Guarantor under the Subsidiaries Guaranty)
and the due performance and compliance by such Assignor with all of the terms,
conditions and agreements contained in the Credit Agreement and in such other
Credit Documents (all such obligations and liabilities under this clause (i),
except to the extent consisting of obligations or indebtedness with respect to
Interest Rate Protection Agreements or Other Hedging Agreements, being herein
collectively called the "Credit Document Obligations"); (ii) the full and prompt
payment when due (whether at the stated maturity, by acceleration or otherwise)
of all obligations and liabilities owing by such Assignor to the Other Creditors
under, or with respect to (including by reason of the Subsidiaries Guaranty),
any Interest Rate Protection Agreement or Other Hedging Agreement, whether such
Interest Rate Protection Agreement or Other Hedging Agreement is now in
existence or hereafter arising, and the due performance and compliance by such
Assignor with all of the terms, conditions and agreements contained therein (all
such obligations and liabilities described in this clause (ii) being herein
collectively called the "Other Obligations"); (iii) any and all sums advanced by
the Assignee in order to preserve the Collateral or preserve its security
interest in the Collateral; (iv) in the event of any proceeding for the
collection or enforcement of any indebtedness, obligations, or liabilities of
such Assignor referred to in clauses (i) and (ii) above, after an Event of
Default shall have occurred and be continuing, the reasonable expenses of
retaking, holding, preparing for sale or lease, selling or otherwise disposing
of or realizing on the Collateral, or of any exercise by the Assignee of its
rights hereunder, together with reasonable attorneys' fees and court costs; and
(v) all amounts paid by any Indemnitee as to which such Indemnitee has the right
to reimbursement under Section 8.1 of this Agreement; it being acknowledged and
agreed that the "Obligations" shall include extensions of credit of the types
described above, whether outstanding on the date of this Agreement or extended
from time to time after the date of this Agreement.

          "Other Creditors" shall have the meaning provided in the recitals of
this Agreement.

          "Other Obligations" shall have the meaning provided in the definition
of "Obligations" in this Article IX.
<PAGE>

                                                                         Page 26
          "Patents" shall mean any patent to which any Assignor now or hereafter
has title and any divisions or continuations thereof, as well as any application
for a patent now or hereafter made by any Assignor.

          "Permits" shall mean, to the extent permitted to be assigned by the
terms thereof or by applicable law, all licenses, permits, rights, orders,
variances, franchises or authorizations (including Governmental Authorizations)
of or from any governmental authority or agency.

          "Primary Obligations" shall have the meaning provided in Section
7.4(b) of this Agreement.

          "Pro Rata Share" shall have the meaning provided in Section 7.4(b) of
this Agreement.

          "Proceeds" shall have the meaning provided in the Uniform Commercial
Code as in effect in the State of New York on the date hereof or under other
relevant law and, in any event, shall include, but not be limited to, (i) any
and all proceeds of any insurance, indemnity, warranty or guaranty payable to
the Collateral Agent or any Assignor from time to time with respect to any of
the Collateral, (ii) any and all payments (in any form whatsoever) made or due
and payable to any Assignor from time to time in connection with any
requisition, confiscation, condemnation, seizure or forfeiture of all or any
part of the Collateral by any governmental authority (or any person acting under
color of governmental authority) and (iii) any and all other amounts from time
to time paid or payable under or in connection with any of the Collateral.

          "Receivables" shall mean any "account" as such term is defined in the
Uniform Commercial Code as in effect on the date hereof in the State of New
York, now or hereafter owned by any Assignor and, in any event, shall include,
but shall not be limited to, all of such Assignor's rights to payment for goods
sold or leased or services performed by such Assignor, whether now in existence
or arising from time to time hereafter, including, without limitation, rights
evidenced by an account, note, contract, security agreement, chattel paper, or
other evidence of indebtedness or security, together with (a) all security
pledged, assigned, hypothecated or granted to or held by such Assignor to secure
the foregoing, (b) all of any Assignor's right, title and interest in and to any
goods, the sale of which gave rise thereto, (c) all guarantees, endorsements and
indemnifications on, or of, any of the foregoing, (d) all powers of attorney for
the execution of any evidence of indebtedness or security or other writing in
connection therewith, (e) all books, records, ledger cards, and invoices
relating thereto, (f) all evidences of the filing of financing statements and
other statements and the registration of other instruments in connection
therewith and amendments thereto, notices to other creditors or secured parties,
and certificates from filing or other registration officers, (g) all credit
information, reports and memoranda relating thereto and (h) all other writings
related in any way to the foregoing.

          "Representative shall have the meaning provided in Section 7.4(e) of
this Agreement.
<PAGE>

                                                                        Page 27

         "Required Secured Creditors" shall mean (i) the Required Lenders (or,
to the extent required by Section 13.12 of the Credit Agreement, each of the
Lenders) under the Credit Agreement so long as any Credit Document Obligations
remain outstanding and (ii) in any situation not covered by the preceding clause
(i), the holders of a majority of the outstanding principal amount of the Other
Obligations.

          "Requisite Creditors" shall have the meaning provided in Section 10.2
of this Agreement.

          "Secondary Obligations" shall have the meaning provided in Section
7.4(b) of this Agreement.

          "Secured Creditors" shall have the meaning provided in the recitals of
this Agreement.

          "Secured Debt Agreements" shall mean and include this Agreement, the
other Credit Documents and the Interest Rate Protection Agreements and Other
Hedging Agreements.

          "Termination Date" shall have the meaning provided in Section 10.8 of
this Agreement.

          "Trade Secret Rights" shall have the meaning provided in Section 5.1
of this Agreement.

          "UCC" shall mean the Uniform Commercial Code as in effect from time to
time in the relevant jurisdiction.

                                   ARTICLE X


                                 MISCELLANEOUS

          10.1.  Notices.  Except as otherwise specified herein, all notices,
                 -------
requests, demands or other communications to or upon the respective parties
hereto shall be sent or delivered by mail, telegraph, telex, telecopy, cable or
overnight courier service and all such notices and communications shall, when
mailed, telegraphed, telexed, telecopied, or cabled or sent by overnight
courier, be effective when deposited in the mails, delivered to the telegraph
company, cable company or overnight courier, as the case may be, or sent by
telex or telecopier and when mailed shall be effective three Business Days
following deposit in the mail with proper postage, except that notices and
communications to the Collateral Agent or any Assignor shall not be effective
until received by the Collateral Agent or such Assignor, as the case may be.
All notices and other communications shall be in writing and addressed as
follows:

          (a)  if to any Assignor, at:
<PAGE>

                                                                        Page 28

               c/o IDT Corporation
               190 Main Street
               Hackensack, New Jersey  07601
               Attention:  Chief Financial Officer
               Telephone No.:  (201) 928-4425
               Telecopier No.:  (201) 928-2952
          (b)  if to the Collateral Agent, at:

               Bankers Trust Company
               One Bankers Trust Plaza
               New York, New York  10006
               Attention:  Patricia Hogan
               Tel. No.:  (212) 250-5175
               Fax. No.:  (212) 250-7218;

          (c) if to any Lender Creditor, at such address as such Lender Creditor
     shall have specified in the Credit Agreement;

          (d) if to any Other Creditor, at such address as such Other Creditor
     shall have specified in writing to each Assignor and the Collateral Agent;

or at such other address as shall have been furnished in writing by any Person
described above to the party required to give notice hereunder.

          10.2.  Waiver; Amendment.  None of the terms and conditions of this
                 -----------------
Agreement may be changed, waived, modified or varied in any manner whatsoever
unless in writing duly signed by each Assignor directly effected thereby and the
Collateral Agent (with the written consent of the Required Secured Creditors);
provided, however, that any change, waiver, modification or variance affecting
- --------  -------
the rights and benefits of a single Class of Secured Creditors (and not all
Secured Creditors in a like or similar manner) shall require the written consent
of the Requisite Creditors of such affected Class.  For the purpose of this
Agreement, the term "Class" shall mean each class of Secured Creditors, i.e.,
                                                                        ----
whether (x) the Lender Creditors as holders of the Credit Document Obligations
or (y) the Other Creditors as the holders of the Other Obligations.  For the
purpose of this Agreement, the term "Requisite Creditors" of any Class shall
mean each of (x) with respect to the Credit Document Obligations, the Required
Lenders and (y) with respect to the Other Obligations, the holders of at least a
majority of all obligations outstanding from time to time under the respective
Interest Rate Protection Agreements or Other Hedging Agreements.

          10.3.  Obligations Absolute.  The obligations of each Assignor
                 --------------------
hereunder shall remain in full force and effect without regard to, and shall not
be impaired by, (a) any bankruptcy, insolvency, reorganization, arrangement,
readjustment, composition, liquidation or the like of such Assignor; (b) any
exercise or non-exercise, or any waiver of, any right, remedy, power or
privilege under or in respect of this Agreement or any other Secured Debt
Agreement;
<PAGE>

                                                                         Page 29

or (c) any amendment to or modification of any Secured Debt Agreement or any
security for any of the Obligations; whether or not such Assignor shall have
notice or knowledge of any of the foregoing.

          10.4.  Successors and Assigns.  This Agreement shall be binding upon
                 ----------------------
each Assignor and its successors and assigns (although no Assignor may assign
its rights and obligations hereunder except in accordance with the provisions of
the Secured Debt Agreements) and shall inure to the benefit of the Collateral
Agent and the Secured Creditors and their respective successors and assigns.
All agreements, statements, representations and warranties made by each Assignor
herein or in any certificate or other instrument delivered by such Assignor or
on its behalf under this Agreement shall be considered to have been relied upon
by the Secured Creditors and shall survive the execution and delivery of this
Agreement and the other Secured Debt Agreements regardless of any investigation
made by the Secured Creditors or on their behalf.

          10.5.  Headings Descriptive.  The headings of the several sections of
                 --------------------
this Agreement are inserted for convenience only and shall not in any way affect
the meaning or construction of any provision of this Agreement.

          10.6.  Governing Law.  THIS AGREEMENT AND THE RIGHTS AND OBLIGATIONS
                 -------------
OF THE PARTIES HEREUNDER SHALL BE CONSTRUED IN ACCORDANCE WITH AND BE GOVERNED
BY THE LAW OF THE STATE OF NEW YORK.

          10.7.  Assignor's Duties.  It is expressly agreed, anything herein
                 -----------------
contained to the contrary notwithstanding, that each Assignor shall remain
liable to perform all of the obligations, if any, assumed by it with respect to
the Collateral and the Collateral Agent shall not have any obligations or
liabilities with respect to any Collateral by reason of or arising out of this
Agreement, nor shall the Collateral Agent be required or obligated in any manner
to perform or fulfill any of the obligations of any Assignor under or with
respect to any Collateral.

          10.8.  Termination; Release.  (a)  After the Termination Date,  this
                 --------------------
Agreement shall terminate (provided that all indemnities set forth herein
including, without limitation, in Section 8.1 hereof shall survive such
termination) and the Collateral Agent, at the request and expense of the
respective Assignor, will promptly execute and deliver to such Assignor a proper
instrument or instruments (including Uniform Commercial Code termination
statements on form UCC-3) acknowledging the satisfaction and termination of this
Agreement, and will duly assign, transfer and deliver to such Assignor (without
recourse and without any representation or warranty) such of the Collateral as
may be in the possession of the Collateral Agent and as has not theretofore been
sold or otherwise applied or released pursuant to this Agreement.  As used in
this Agreement, "Termination Date" shall mean the date upon which the Total
Commitment and all Interest Rate Protection Agreements and Other Hedging
Agreements have been terminated, no Note is outstanding (and all Loans have been
repaid in full), all Letters of Credit have been terminated and all Obligations
then due and payable have been paid in full.
<PAGE>

                                                                         Page 30

          (b) In the event that any part of the Collateral is sold in connection
with a sale permitted by Section 9.02 of the Credit Agreement (other than a sale
to any Assignor or a Subsidiary thereof) or otherwise released at the direction
of the Required Secured Creditors and the proceeds of such sale or sales or from
such release are applied in accordance with the provisions of the Credit
Agreement, to the extent required to be so applied, such Collateral will be sold
free and clear of the Liens created by this Agreement and the Collateral Agent,
at the request and expense of the relevant Assignor, will duly and promptly
assign, transfer and deliver to such Assignor (without recourse and without any
representation or warranty) such of the Collateral as is then being (or has
been) so sold or released and as may be in the possession of the Collateral
Agent and has not theretofore been released pursuant to this Agreement.

          (c) At any time that an Assignor desires that the Collateral Agent
take any action to acknowledge or give effect to any release of Collateral
pursuant to the foregoing Section 10.8(a) or (b), such Assignor shall deliver to
the Collateral Agent a certificate signed by a senior officer of such Assignor
stating that the release of the respective Collateral is permitted pursuant to
Section 10.8(a) or (b).

          10.9.  Counterparts.  This Agreement may be executed in any number of
                 ------------
counterparts and by the different parties hereto on separate counterparts, each
of which when so executed and delivered shall be an original, but all of which
shall together constitute one and the same instrument.  A set of counterparts
executed by all the parties hereto shall be lodged with each Assignor and the
Collateral Agent.

          10.10.  Severability.  Any provision of this Agreement which is
                  ------------
prohibited or unenforceable in any jurisdiction shall, as to such jurisdiction,
be ineffective to the extent of such prohibition or unenforceability without
invalidating the remaining provisions hereof, and any such prohibition or
unenforceability in any jurisdiction shall not invalidate or render
unenforceable such provision in any other jurisdiction.

          10.11.  The Collateral Agent.  The Collateral Agent will hold in
                  --------------------
accordance with this Agreement all items of the Collateral at any time received
under this Agreement. It is expressly understood and agreed that the obligations
of the Collateral Agent as holder of the Collateral and interests therein and
with respect to the disposition thereof, and otherwise under this Agreement, are
only those expressly set forth in this Agreement and in Section 12 of the Credit
Agreement.  The Collateral Agent shall act hereunder and thereunder on the terms
and conditions set forth herein and in Section 12 of the Credit Agreement.

          10.12.  Benefit of Agreement.  This Agreement shall be binding upon
                  --------------------
the parties hereto and their respective successors and assigns and shall inure
to the benefit of and be enforceable by each of the parties hereto and its
successors and assigns.

          10.13.  Additional Assignors.  It is understood and agreed that any
                  --------------------
Subsidiary of the Borrower that is required to execute a counterpart of this
Agreement after the date hereof pursuant to the Credit Agreement shall become an
Assignor hereunder by executing a counterpart hereof and delivering the same to
the Collateral Agent.
<PAGE>

                                                                         Page 31

                                    *  *  *
<PAGE>

          IN WITNESS WHEREOF, the parties hereto have caused this Agreement to
be executed and delivered by their duly authorized officers as of the date first
above written.

                              IDT CORPORATION,
                              as a Pledgor

                              By /s/ Joyce J. Mason
                                 ------------------
                                 Title:  Secretary

                              IDT INTERNATIONAL, CORP., as a Pledgor

                              By /s/ Joyce J. Mason
                                 ------------------
                                 Title:  Secretary

                              IDT INTERNET SERVICES, INC., as a Pledgor

                              By /s/ Joyce J. Mason
                                 ------------------
                                 Title:  Secretary

                              MEDIA RESPONSE, INC., as a Pledgor

                              By /s/ Joyce J. Mason
                                 ------------------
                                 Title:  Secretary

                              YOVELLE RENAISSANCE CORPORATION, as a Pledgor

                              By /s/ Joyce J. Mason
                                -------------------
                                Title:  Secretary
<PAGE>


                              NUESTRA VOZ DIRECT INC., as a Pledgor

                              By /s/ Joyce J. Mason
                                 ------------------
                                 Title:  Secretary

                              225 OLD NB ROAD, INC., as a Pledgor

                              By /s/ Joyce J. Mason
                                 ------------------
                                 Title:  Secretary

                              DIPCHIP CORP., as a Pledgor

                              By /s/ Joyce J. Mason
                                 ------------------
                                 Title:  Secretary

                              INTEREXCHANGE, INC., as a Pledgor

                              By /s/ Kathleen B. Timko
                                 ---------------------
                                 Title:  Secretary

Accepted and Agreed to:


BANKERS TRUST COMPANY,

as Collateral Agent, Pledgee

By /s/ Patricia Hogan
   ------------------
   Title: Principal

<PAGE>

                                                                   EXHIBIT 10.17


                                                           CONFORMED AS EXECUTED



                             SUBSIDIARIES GUARANTY
                             ---------------------

          SUBSIDIARIES GUARANTY, dated as of May 10, 1999 (as amended, modified
or supplemented from time to time, this "Guaranty"), made by each of the
undersigned guarantors (each a "Guarantor," and together with any other entity
that becomes a guarantor hereunder pursuant to Section 26 hereof, the
"Guarantors").  Except as otherwise defined herein, capitalized terms used
herein and defined in the Credit Agreement (as defined below) shall be used
herein as therein defined.

                             W I T N E S S E T H :
                             - - - - - - - - - -

          WHEREAS, IDT Corporation (the "Borrower"), the lenders from time to
time party thereto (the "Lenders"), Lehman Commercial Paper Inc., as
Documentation Agent, CIBC World Markets Corp., as Syndication Agent, and Bankers
Trust Company, as Administrative Agent (together with any successor
administrative agent, the "Administrative Agent"), have entered into a Credit
Agreement, dated as of May 10, 1999 (as amended, modified, or supplemented from
time to time, the "Credit Agreement"), providing for the making of Loans to, and
the issuance of Letters of Credit for the account of, the Borrower as
contemplated therein (the Lenders, the Collateral Agent, the Issuing Lender and
the Administrative Agent are herein called the "Lender Creditors");

          WHEREAS, the Borrower may at any time and from time to time enter into
one or more Interest Rate Protection Agreements or Other Hedging Agreements with
one or more Lenders or any affiliate thereof (each such Lender or affiliate,
even if the respective Lender subsequently ceases to be a Lender under the
Credit Agreement for any reason, together with such Lender's or affiliate's
successors and assigns, if any, collectively, the "Other Creditors," and
together with the Lender Creditors, the "Secured Creditors");

          WHEREAS, each Guarantor is a direct or indirect Subsidiary of the
Borrower;

          WHEREAS, it is a condition to the making of Loans to, and the issuance
of Letters of Credit for the account of, the Borrower under the Credit Agreement
that each Guarantor shall have executed and delivered this Guaranty; and

          WHEREAS, each Guarantor will obtain benefits from the incurrence of
Loans to, and the issuance of Letters of Credit for the account of, the Borrower
under the Credit Agreement and the entering into by the Borrower of Interest
Rate Protection Agreements or Other Hedging Agreements and, accordingly, desires
to execute this Guaranty in order to satisfy the conditions described in the
preceding paragraph;
<PAGE>

                                                                          Page 2



          NOW, THEREFORE, in consideration of the foregoing and other benefits
accruing to each Guarantor, the receipt and sufficiency of which are hereby
acknowledged, each Guarantor hereby makes the following representations and
warranties to the Secured Creditors and hereby covenants and agrees with each
Secured Creditor as follows:

          1.  Each Guarantor, jointly and severally, irrevocably, absolutely and
unconditionally guarantees:  (i) to the Lender Creditors the full and prompt
payment when due (whether at the stated maturity, by acceleration or otherwise)
of (x) the principal of, premium, if any, and interest on the Notes issued by,
and the Loans made to, the Borrower under the Credit Agreement, and all
reimbursement obligations and Unpaid Drawings with respect to Letters of Credit
issued under the Credit Agreement and (y) all other obligations (including
obligations which, but for the automatic stay under Section 362(a) of the
Bankruptcy Code, would become due), liabilities and indebtedness owing by the
Borrower to the Lender Creditors under the Credit Agreement and any other Credit
Document to which the Borrower is a party (including, without limitation,
indemnities, Fees and interest thereon), whether now existing or hereafter
incurred under, arising out of or in connection with the Credit Agreement and
any such other Credit Document and the due performance and compliance by the
Borrower with all of the terms, conditions and agreements contained in all such
Credit Documents (all such principal, premium, interest, liabilities,
indebtedness and obligations being herein collectively called the "Credit
Document Obligations"); and (ii) to each Other Creditor the full and prompt
payment when due (whether at the stated maturity, by acceleration or otherwise)
of all obligations (including obligations which, but for the automatic stay
under Section 362(a) of the Bankruptcy Code, would become due), liabilities and
indebtedness owing by the Borrower under any Interest Rate Protection Agreement
and Other Hedging Agreement, whether now in existence or hereafter arising, and
the due performance and compliance by the Borrower with all of the terms,
conditions and agreements contained in the Interest Rate Protection Agreements
and Other Hedging Agreements (all such obligations, liabilities and indebtedness
being herein collectively called the "Other Obligations," and together with the
Credit Document Obligations, the "Guaranteed Obligations").  Each Guarantor
understands, agrees and confirms that the Secured Creditors may enforce this
Guaranty up to the full amount of the Guaranteed Obligations against such
Guarantor without proceeding against any other Guarantor, the Borrower, against
any security for the Guaranteed Obligations, or under any other guaranty
covering all or a portion of the Guaranteed Obligations.

          2.  Additionally, each Guarantor, jointly and severally,
unconditionally, absolutely and irrevocably, guarantees the payment of any and
all Guaranteed Obligations whether or not due or payable by the Borrower upon
the occurrence in respect of the Borrower of any of the events specified in
Section 10.05 of the Credit Agreement, and unconditionally and irrevocably,
jointly and severally, promises to pay such Guaranteed Obligations to the
Secured Creditors, or order, on demand, in legal tender of the United States.
This Guaranty shall constitute a guaranty of payment, and not of collection.
<PAGE>

                                                                          Page 3


          3.  The liability of each Guarantor hereunder is primary, absolute and
unconditional and is exclusive and independent of any security for or other
guaranty of the indebtedness of the Borrower whether executed by such Guarantor,
any other Guarantor, any other guarantor or by any other party, and the
liability of each Guarantor hereunder shall not be affected or impaired by any
circumstance or occurrence whatsoever, including, without limitation:  (a) any
direction as to application of payment by the Borrower or by any other party,
(b) any other continuing or other guaranty, undertaking or maximum liability of
a guarantor or of any other party as to the Guaranteed Obligations, (c) any
payment on or in reduction of any such other guaranty or undertaking, (d) any
dissolution, termination or increase, decrease or change in personnel by the
Borrower, (e) any payment made to any Secured Creditor on the indebtedness which
any Secured Creditor repays the Borrower pursuant to court order in any
bankruptcy, reorganization, arrangement, moratorium or other debtor relief
proceeding, and each Guarantor waives any right to the deferral or modification
of its obligations hereunder by reason of any such proceeding, (f) any action or
inaction by the Secured Creditors as contemplated in Section 6 hereof or (g) any
invalidity, irregularity or unenforceability of all or any part of the
Guaranteed Obligations or of any security therefor.

          4.  The obligations of each Guarantor hereunder are independent of the
obligations of any other Guarantor, any other guarantor or the Borrower, and a
separate action or actions may be brought and prosecuted against each Guarantor
whether or not action is brought against any other Guarantor, any other
guarantor or the Borrower and whether or not any other Guarantor, any other
guarantor or the Borrower be joined in any such action or actions.  Each
Guarantor waives, to the fullest extent permitted by law, the benefits of any
statute of limitations affecting its liability hereunder or the enforcement
thereof.  Any payment by the Borrower or other circumstance which operates to
toll any statute of limitations as to the Borrower shall operate to toll the
statute of limitations as to each Guarantor.

          5.  Each Guarantor hereby waives notice of acceptance of this Guaranty
and notice of any liability to which it may apply, and waives promptness,
diligence, presentment, demand of payment, protest, notice of dishonor or
nonpayment of any such liabilities, suit or taking of other action by the
Administrative Agent or any other Secured Creditor against, and any other notice
to, any party liable thereon (including such Guarantor, any other Guarantor, any
other guarantor or the Borrower).

          6.  Any Secured Creditor may at any time and from time to time without
the consent of, or notice to, any Guarantor, without incurring responsibility to
such Guarantor, without impairing or releasing the obligations of such Guarantor
hereunder, upon or without any terms or conditions and in whole or in part:

          (a)  change the manner, place or terms of payment of, and/or change or
extend the time of payment of, renew or alter, any of the Guaranteed Obligations
(including any increase or decrease in the rate of interest thereon), any
security therefor, or any liability incurred directly or
<PAGE>

                                                                          Page 4


indirectly in respect thereof, and the guaranty herein made shall apply to the
Guaranteed Obligations as so changed, extended, renewed or altered;

          (b)  take and hold security for the payment of the Guaranteed
Obligations and sell, exchange, release, surrender, impair, realize upon or
otherwise deal with in any manner and in any order any property by whomsoever at
any time pledged or mortgaged to secure, or howsoever securing, the Guaranteed
Obligations or any liabilities (including any of those hereunder) incurred
directly or indirectly in respect thereof or hereof, and/or any offset
thereagainst;

          (c)  exercise or refrain from exercising any rights against the
Borrower, any other Credit Party, any Subsidiary thereof or otherwise act or
refrain from acting;

          (d)  release or substitute any one or more endorsers, Guarantors,
other guarantors, the Borrower or other obligors;

          (e)  settle or compromise any of the Guaranteed Obligations, any
security therefor or any liability (including any of those hereunder) incurred
directly or indirectly in respect thereof or hereof, and may subordinate the
payment of all or any part thereof to the payment of any liability (whether due
or not) of the Borrower to creditors of the Borrower other than the Secured
Creditors;

          (f)  apply any sums by whomsoever paid or howsoever realized to any
liability or liabilities of the Borrower to the Secured Creditors regardless of
what liabilities of the Borrower remain unpaid;

          (g)  consent to or waive any breach of, or any act, omission or
default under, any of the Interest Rate Protection Agreements or Other Hedging
Agreements, the Credit Documents or any of the instruments or agreements
referred to therein, or otherwise amend, modify or supplement any of the
Interest Rate Protection Agreements or Other Hedging Agreements, the Credit
Documents or any of such other instruments or agreements;

          (h)  act or fail to act in any manner referred to in this Guaranty
which may deprive such Guarantor of its right to subrogation against the
Borrower to recover full indemnity for any payments made pursuant to this
Guaranty; and/or

          (i) take any other action which would, under otherwise applicable
principles of common law, give rise to a legal or equitable discharge of such
Guarantor from its liabilities under this Guaranty.

          7.  This Guaranty is a continuing one and all liabilities to which it
applies or may apply under the terms hereof shall be conclusively presumed to
have been created in reliance hereon.  No failure or delay on the part of any
Secured Creditor in exercising any right, power or privilege hereunder shall
operate as a waiver thereof, nor shall any single or partial exercise of
<PAGE>

                                                                          Page 5


any right, power or privilege hereunder preclude any other or further exercise
thereof or the exercise of any other right, power or privilege. The rights and
remedies herein expressly specified are cumulative and not exclusive of any
rights or remedies which any Secured Creditor would otherwise have. No notice to
or demand on any Guarantor in any case shall entitle such Guarantor to any other
further notice or demand in similar or other circumstances or constitute a
waiver of the rights of any Secured Creditor to any other or further action in
any circumstances without notice or demand. It is not necessary for any Secured
Creditor to inquire into the capacity or powers of the Borrower or the officers,
directors, partners or agents acting or purporting to act on its behalf, and any
indebtedness made or created in reliance upon the professed exercise of such
powers shall be guaranteed hereunder.

          8.  Any indebtedness of the Borrower now or hereafter held by any
Guarantor is hereby subordinated to the indebtedness of the Borrower to the
Secured Creditors, and such indebtedness of the Borrower to any Guarantor, if
the Administrative Agent or the Collateral Agent, after the occurrence and
during the continuance of an Event of Default, so requests, shall be collected,
enforced and received by such Guarantor as trustee for the Secured Creditors and
be paid over to the Secured Creditors on account of the indebtedness of the
Borrower to the Secured Creditors, but without affecting or impairing in any
manner the liability of such Guarantor under the other provisions of this
Guaranty.  Without limiting the generality of the foregoing, each Guarantor
hereby agrees with the Secured Creditors that it will not exercise any right of
subrogation which it may at any time otherwise have as a result of this Guaranty
(whether contractual, under Section 509 of the Bankruptcy Code or otherwise)
until all Guaranteed Obligations have been irrevocably paid in full in cash.

          9.  (a)  Each Guarantor waives any right (except as shall be required
by applicable law and cannot be waived) to require the Secured Creditors to:
(i) proceed against the Borrower, any other Guarantor, any other guarantor of
the Guaranteed Obligations or any other party; (ii) proceed against or exhaust
any security held from the Borrower, any other Guarantor, any other guarantor of
the Guaranteed Obligations or any other party; or (iii) pursue any other remedy
in the Secured Creditors' power whatsoever. Each Guarantor waives any defense
based on or arising out of any defense of the Borrower, any other Guarantor, any
other guarantor of the Guaranteed Obligations or any other party other than
payment in full of the Guaranteed Obligations, including, without limitation,
any defense based on or arising out of the disability of the Borrower, any other
Guarantor, any other guarantor of the Guaranteed Obligations or any other party,
or the unenforceability of the Guaranteed Obligations or any part thereof from
any cause, or the cessation from any cause of the liability of the Borrower
other than payment in full of the Guaranteed Obligations.  The Secured Creditors
may, at their election, foreclose on any security held by the Administrative
Agent, the Collateral Agent or the other Secured Creditors by one or more
judicial or nonjudicial sales, whether or not every aspect of any such sale is
commercially reasonable, or exercise any other right or remedy the Secured
Creditors may have against the Borrower or any other party, or any security,
without affecting or impairing in any way the liability of any Guarantor
hereunder except to the extent the Guaranteed Obligations have been paid in full
in cash.  Each Guarantor waives any defense arising out of any such election by
the
<PAGE>

                                                                          Page 6



Secured Creditors, even though such election operates to impair or extinguish
any right of reimbursement or subrogation or other right or remedy of such
Guarantor against the Borrower or any other party or any security.

          (b)  Each Guarantor waives all presentments, demands for performance,
protests and notices, including, without limitation, notices of nonperformance,
notices of protest, notices of dishonor, notices of acceptance of this Guaranty,
and notices of the existence, creation or incurring of new or additional
indebtedness.  Each Guarantor assumes all responsibility for being and keeping
itself informed of the Borrower's financial condition and assets, and of all
other circumstances bearing upon the risk of nonpayment of the Guaranteed
Obligations and the nature, scope and extent of the risks which such Guarantor
assumes and incurs hereunder, and agrees that the Secured Creditors shall have
no duty to advise any Guarantor of information known to them regarding such
circumstances or risks.

          10.  The Secured Creditors agree that this Guaranty may be enforced
only by the action of the Administrative Agent or the Collateral Agent, in each
case acting upon the instructions of the Required Lenders (or, after the date on
which all Credit Document Obligations have been paid in full, the holders of at
least the majority of the outstanding Other Obligations) and that no other
Secured Creditors shall have any right individually to seek to enforce or to
enforce this Guaranty or to realize upon the security to be granted by the
Security Documents, it being understood and agreed that such rights and remedies
may be exercised by the Administrative Agent or the Collateral Agent or, after
all the Credit Document Obligations have been paid in full, by the holders of at
least a majority of the outstanding Other Obligations, as the case may be, for
the benefit of the Secured Creditors upon the terms of this Guaranty and the
Security Documents.  The Secured Creditors further agree that this Guaranty may
not be enforced against any director, officer, employee, partner, member or
stockholder of any Guarantor (except to the extent such partner, member or
stockholder is also a Guarantor hereunder).

          11.  In order to induce the Lenders to make Loans to, and issue
Letters of Credit for the account of, the Borrower pursuant to the Credit
Agreement, and in order to induce the Other Creditors to execute, deliver and
perform the Interest Rate Protection Agreements and Other Hedging Agreements,
each Guarantor represents, warrants and covenants that:

          (a)  Such Guarantor (i) is a duly organized and validly existing
corporation, partnership or limited liability company, as the case may be, in
good standing under the laws of the jurisdiction of its organization, except as
(and to the extent) set forth in Section 7.01 of the Credit Agreement, (ii) has
the corporate, partnership or limited liability company,  power and authority,
as the case may be, to own its property and assets and to transact the business
in which it is engaged and presently proposes to engage and (iii) is duly
qualified and is authorized to do business and is in good standing in each
jurisdiction where the conduct of its business requires such qualification
except for failures to be so qualified which, individually or in the aggregate,
could not reasonably be expected to have a Material Adverse Effect.
<PAGE>

                                                                          Page 7


          (b)  Such Guarantor has the corporate, partnership or limited
liability company, power and authority, as the case may be, to execute, deliver
and perform the terms and provisions of this Guaranty and each other Credit
Document to which it is a party and has taken all necessary corporate,
partnership or limited liability company, action, as the case may be, to
authorize the execution, delivery and performance by it of this Guaranty and
each such other Credit Document.  Such Guarantor has duly executed and delivered
this Guaranty and each other Credit Document to which it is a party, and this
Guaranty and each such other Credit Document constitutes the legal, valid and
binding obligation of such Guarantor enforceable in accordance with its terms,
except to the extent that the enforceability hereof or thereof may be limited by
applicable bankruptcy, insolvency, reorganization, moratorium or other similar
laws generally affecting creditors' rights and by equitable principles
(regardless of whether enforcement is sought in equity or at law).

          (c)  Neither the execution, delivery or performance by such Guarantor
of this Guaranty or any other Credit Document to which it is a party, nor
compliance by it with the terms and provisions hereof and thereof, will (i)
contravene any provision of any applicable law, statute, rule or regulation or
any applicable order, writ, injunction or decree of any court or governmental
instrumentality, (ii) conflict with or result in any breach of any of the terms,
covenants, conditions or provisions of, or constitute a default under, or result
in the creation or imposition of (or the obligation to create or impose) any
Lien (except pursuant to the Security Documents) upon any of the property or
assets of such Guarantor or any of its Subsidiaries pursuant to the terms of any
indenture, mortgage, deed of trust, loan agreement, credit agreement, or any
other material agreement, contract or instrument to which such Guarantor or any
of its Subsidiaries is a party or by which it or any of its property or assets
is bound or to which it may be subject or (iii) violate any provision of the
certificate of incorporation or by-laws (or equivalent organizational documents)
of such Guarantor or any of its Subsidiaries.

          (d)  No order, consent, approval, license, authorization or validation
of, or filing, recording or registration with (except as have been obtained or
made or as otherwise provided in Section 7.04 of the Credit Agreement), or
exemption by, any governmental or public body or authority, or any subdivision
thereof, is required to authorize, or is required for, (i) the execution,
delivery and performance of this Guaranty by such Guarantor or any other Credit
Document to which such Guarantor is a party or (ii) the legality, validity,
binding effect or enforceability of this Guaranty or any other Credit Document
to which such Guarantor is a party.

          (e)  There are no actions, suits or proceedings pending or, to such
Guarantor's knowledge, threatened (i) with respect to this Guaranty or any other
Credit Document to which such Guarantor is a party or (ii) with respect to such
Guarantor that, either individually or in the aggregate, could reasonably be
expected to have a Material Adverse Effect.

          12.  Each Guarantor covenants and agrees that on and after the
Effective Date and until the termination of the Total Commitment and all
Interest Rate Protection Agreements and Other Hedging Agreements and until such
time as no Note or Letter of Credit remains
<PAGE>

                                                                          Page 8

outstanding and all Guaranteed Obligations have been paid in full, such
Guarantor will comply, and will cause each of its Subsidiaries to comply, with
all of the applicable provisions, covenants and agreements contained in Sections
8 and 9 of the Credit Agreement, and will take, or will refrain from taking, as
the case may be, all actions that are necessary to be taken or not taken so that
it is not in violation of any provision, covenant or agreement contained in
Section 8 or 9 of the Credit Agreement, and so that no Default or Event of
Default, is caused by the actions of such Guarantor or any of its Subsidiaries.

          13.  The Guarantors hereby jointly and severally agree to pay all
reasonable out-of-pocket costs and expenses of each Secured Creditor in
connection with the enforcement of this Guaranty and of each Agent in connection
with any amendment, waiver or consent relating hereto (including in each case,
without limitation, the reasonable fees and disbursements of counsel employed by
each Secured Creditor).

          14.  This Guaranty shall be binding upon each Guarantor and its
successors and assigns and shall inure to the benefit of the Secured Creditors
and their successors and assigns.

          15.  Neither this Guaranty nor any provision hereof may be changed,
waived, discharged or terminated except with the written consent of each
Guarantor directly affected thereby and with the written consent of either (x)
the Required Lenders (or to the extent required by Section 13.12 of the Credit
Agreement, with the written consent of each Lender) at all times prior to the
time on which all Credit Document Obligations have been paid in full or (y) the
holders of at least a majority of the outstanding Other Obligations at all times
after the time on which all Credit Document Obligations have been paid in full;
provided, that any change, waiver, modification or variance affecting the rights
- --------
and benefits of a single Class (as defined below) of Secured Creditors (and not
all Secured Creditors in a like or similar manner) shall also require the
written consent of the Requisite Creditors (as defined below) of such Class of
Secured Creditors (it being understood that the addition or release of any
Guarantor hereunder shall not constitute a change, waiver, discharge or
termination affecting any Guarantor other than the Guarantor so added or
released).  For the purpose of this Guaranty, the term "Class" shall mean each
class of Secured Creditors, i.e., whether (x) the Lender Creditors as holders of
                            ----
the Credit Document Obligations or (y) the Other Creditors as the holders of the
Other Obligations.  For the purpose of this Guaranty, the term "Requisite
Creditors" of any Class shall mean (x) with respect to the Credit Document
Obligations, the Required Lender (or to the extent required by Section 13.12 of
the Credit Agreement, each Lender) and (y) with respect to the Other
Obligations, the holders of at least a majority of all obligations outstanding
from time to time under the Interest Rate Protection or Other Hedging
Agreements.

          16.  Each Guarantor acknowledges that an executed (or conformed) copy
of each of the Credit Documents and Interest Rate Protection Agreements or Other
Hedging Agreements has been made available to a senior officer of such Guarantor
and such officer is familiar with the contents thereof.
<PAGE>

                                                                          Page 9


          17.  In addition to any rights now or hereafter granted under
applicable law (including, without limitation, Section 151 of the New York
Debtor and Secured Creditor Law) and not by way of limitation of any such
rights, upon the occurrence and during the continuance of an Event of Default
(such term to mean and include any "Event of Default" as defined in the Credit
Agreement or any payment default under any Interest Rate Protection Agreement or
Other Hedging Agreement continuing after any applicable grace period), each
Secured Creditor is hereby authorized, at any time or from time to time, without
notice to any Guarantor or to any other Person, any such notice being expressly
waived, to set off and to appropriate and apply any and all deposits (general or
special) and any other indebtedness at any time held or owing by such Secured
Creditor to or for the credit or the account of such Guarantor, against and on
account of the obligations and liabilities of such Guarantor to such Secured
Creditor under this Guaranty, irrespective of whether or not such Secured
Creditor shall have made any demand hereunder and although said obligations,
liabilities, deposits or claims, or any of them, shall be contingent or
unmatured.  Notwithstanding anything to the contrary contained in this Section
17, no Secured Creditor shall exercise any such right of set-off without the
prior consent of the Administrative Agent or the Required Lenders if, and so
long as, the Guaranteed Obligations shall be secured by any Real Property
located in the State of California, it being understood and agreed, however,
that this sentence is for the sole benefit of the Secured Creditors and may be
amended, modified or waived in any respect by the Required Lenders without the
requirement of prior notice to or consent by any Credit Party and does not
constitute a waiver of any rights against any Credit Party or against any
Collateral.

          18.  All notices, requests, demands or other communications pursuant
hereto shall be sent or delivered by mail, telegraph, telex, telecopy, cable or
overnight courier service and all such notices and communications shall, when
mailed, telegraphed, telexed, telecopied, or cabled or sent by overnight
courier, be effective when deposited in the mails, delivered to the telegraph
company, cable company or overnight courier, as the case may be, or sent by
telex or telecopier and when mailed shall be effective three Business Days
following deposit in the mail with proper postage, except that notices and
communications to the Administrative Agent or any Guarantor shall not be
effective until received by the Administrative Agent or such Guarantor, as the
case may be.  All notices and other communications shall be in writing and
addressed to such party at (i) in the case of any Lender Creditor, as provided
in the Credit Agreement, (ii) in the case of any Guarantor, as provided in the
Security Agreement and (iii) in the case of any Other Creditor, at such address
as such Other Creditor shall have specified in writing to the Guarantors; or in
any case at such other address as any of the Persons listed above may hereafter
notify the others in writing.

          19.  If claim is ever made upon any Secured Creditor for repayment or
recovery of any amount or amounts received in payment or on account of any of
the Guaranteed Obligations and any of the aforesaid payees repays all or part of
said amount by reason of (i) any judgment, decree or order of any court or
administrative body having jurisdiction over such payee or any of its property
or (ii) any settlement or compromise of any such claim effected by such payee
with any such claimant (including the Borrower) then and in such event each
Guarantor agrees that
<PAGE>

                                                                         Page 10



any such judgment, decree, order, settlement or compromise shall be binding upon
such Guarantor, notwithstanding any revocation hereof or other instrument
evidencing any liability of the Borrower, and such Guarantor shall be and remain
liable to the aforesaid payees hereunder for the amount so repaid or recovered
to the same extent as if such amount had never originally been received by any
such payee.

          20.  (a)  THIS GUARANTY AND THE RIGHTS AND OBLIGATIONS OF THE SECURED
CREDITORS AND OF THE UNDERSIGNED HEREUNDER SHALL BE GOVERNED BY AND CONSTRUED IN
ACCORDANCE WITH THE LAW OF THE STATE OF NEW YORK.  Any legal action or
proceeding with respect to this Guaranty or any other Credit Document to which
any Guarantor is a party may be brought in the courts of the State of New York
or of the United States of America for the Southern District of New York in each
case located in the City of New York, and, by execution and delivery of this
Guaranty, each Guarantor hereby irrevocably accepts for itself and in respect of
its property, generally and unconditionally, the jurisdiction of the aforesaid
courts.  Each Guarantor hereby further irrevocably waives any claim that any
such court lacks personal jurisdiction over such Guarantor, and agrees not to
plead or claim in any legal action or proceeding with respect to this Guaranty
or any other Credit Document to which such Guarantor is a party brought in any
of the aforesaid courts that any such court lacks personal jurisdiction over
such Guarantor.  Each Guarantor further irrevocably consents to the service of
process out of any of the aforementioned courts in any such action or proceeding
by the mailing of copies thereof by registered or certified mail, postage
prepaid, to such Guarantor at its address set forth opposite its signature
below, such service to become effective 30 days after such mailing.  Each
Guarantor hereby irrevocably waives any objection to such service of process and
further irrevocably waives and agrees not to plead or claim in any action or
proceeding commenced hereunder or under any other Credit Document to which such
Guarantor is a party that such service of process was in any way invalid or
ineffective. Nothing herein shall affect the right of any of the Secured
Creditors to serve process in any other manner permitted by law or to commence
legal proceedings or otherwise proceed against each Guarantor in any other
jurisdiction.

          (b)  Each Guarantor hereby irrevocably waives (to the fullest extent
permitted by applicable law) any objection which it may now or hereafter have to
the laying of venue of any of the aforesaid actions or proceedings arising out
of or in connection with this Guaranty or any other Credit Document to which
such Guarantor is a party brought in the courts referred to in clause (a) above
and hereby further irrevocably waives and agrees not to plead or claim in any
such court that such action or proceeding brought in any such court has been
brought in an inconvenient forum.

          (c)  EACH GUARANTOR AND EACH SECURED CREDITOR (BY ITS ACCEPTANCE OF
THE BENEFITS OF THIS GUARANTY) HEREBY IRREVOCABLY WAIVES ALL RIGHTS TO A TRIAL
BY JURY IN ANY ACTION, PROCEEDING OR COUNTERCLAIM ARISING OUT OF OR RELATING TO
THIS GUARANTY, THE OTHER
<PAGE>

                                                                         Page 11


CREDIT DOCUMENTS TO WHICH SUCH GUARANTOR IS A PARTY OR THE TRANSACTIONS
CONTEMPLATED HEREBY OR THEREBY.

          21.  In the event that all of the capital stock of one or more
Guarantors is sold or otherwise disposed of or liquidated in compliance with the
requirements of Section 9.02 of the Credit Agreement (or such sale or other
disposition has been approved in writing by the Required Lenders (or all Lenders
if required by Section 13.12 of the Credit Agreement)) and the proceeds of such
sale, disposition or liquidation are applied in accordance with the provisions
of the Credit Agreement, to the extent applicable, such Guarantor shall upon
consummation of such sale or other disposition (except to the extent that such
sale or disposition is to the Borrower or another Subsidiary thereof) be
released from this Guaranty automatically and without further action and this
Guaranty shall, as to each such Guarantor or Guarantors, terminate, and have no
further force or effect (it being understood and agreed that the sale of one or
more Persons that own, directly or indirectly, all of the capital stock of any
Guarantor shall be deemed to be a sale of such Guarantor for the purposes of
this Section 21).

          22.  At any time a payment in respect of the Guaranteed Obligations is
made under this Guaranty, the right of contribution of each Guarantor against
each other Guarantor shall be determined as provided in the immediately
following sentence, with the right of contribution of each Guarantor to be
revised and restated as of each date on which a payment (a "Relevant Payment")
is made on the Guaranteed Obligations under this Guaranty.  At any time that a
Relevant Payment is made by a Guarantor that results in the aggregate payments
made by such Guarantor in respect of the Guaranteed Obligations to and including
the date of the Relevant Payment exceeding such Guarantor's Contribution
Percentage (as defined below) of the aggregate payments made by all Guarantors
in respect of the Guaranteed Obligations to and including the date of the
Relevant Payment (such excess, the "Aggregate Excess Amount"), each such
Guarantor shall have a right of contribution against each other Guarantor who
has made payments in respect of the Guaranteed Obligations to and including the
date of the Relevant Payment in an aggregate amount less than such other
Guarantor's Contribution Percentage of the aggregate payments made to and
including the date of the Relevant Payment by all Guarantors in respect of the
Guaranteed Obligations (the aggregate amount of such deficit, the "Aggregate
Deficit Amount") in an amount equal to (x) a fraction the numerator of which is
the Aggregate Excess Amount of such Guarantor and the denominator of which is
the Aggregate Excess Amount of all Guarantors multiplied by (y) the Aggregate
Deficit Amount of such other Guarantor.  A Guarantor's right of contribution
pursuant to the preceding sentences shall arise at the time of each computation,
subject to adjustment to the time of each computation; provided, that no
                                                       --------
Guarantor may take any action to enforce such right until the Guaranteed
Obligations have been irrevocably paid in full in cash, it being expressly
recognized and agreed by all parties hereto that any Guarantor's right of
contribution arising pursuant to this Section 22 against any other Guarantor
shall be expressly junior and subordinate to such other Guarantor's obligations
and liabilities in respect of the Guaranteed Obligations and any other
obligations owing under this Guaranty.  As used in this Section 22:  (i) each
Guarantor's "Contribution Percentage" shall mean the percentage obtained by
dividing (x) the Adjusted Net Worth (as defined below) of such
<PAGE>

                                                                         Page 12


Guarantor by (y) the aggregate Adjusted Net Worth of all Guarantors; (ii) the
"Adjusted Net Worth" of each Guarantor shall mean the greater of (x) the Net
Worth (as defined below) of such Guarantor and (y) zero; and (iii) the "Net
Worth" of each Guarantor shall mean the amount by which the fair salable value
of such Guarantor's assets on the date of any Relevant Payment exceeds its
existing debts and other liabilities (including contingent liabilities, but
without giving effect to any Guaranteed Obligations arising under this Guaranty)
on such date. All parties hereto recognize and agree that, except for any right
of contribution arising pursuant to this Section 22, each Guarantor who makes
any payment in respect of the Guaranteed Obligations shall have no right of
contribution or subrogation against any other Guarantor in respect of such
payment until all of the Guaranteed Obligations have been irrevocably paid in
full in cash. Each of the Guarantors recognizes and acknowledges that the rights
to contribution arising hereunder shall constitute an asset in favor of the
party entitled to such contribution. In this connection, each Guarantor has the
right to waive its contribution right against any Guarantor to the extent that
after giving effect to such waiver such Guarantor would remain solvent, in the
determination of the Required Lenders.

          23.  Each Guarantor and each Secured Creditor (by its acceptance of
the benefits of this Guaranty) hereby confirms that it is its intention that
this Guaranty not constitute a fraudulent transfer or conveyance for purposes of
the Bankruptcy Code, the Uniform Fraudulent Conveyance Act of any similar
Federal or state law.  To effectuate the foregoing intention, each Guarantor and
each Secured Creditor (by its acceptance of the benefits of this Guaranty)
hereby irrevocably agrees that the Guaranteed Obligations guaranteed by such
Guarantor shall be limited to such amount as will, after giving effect to such
maximum amount and all other (contingent or otherwise) liabilities of such
Guarantor that are relevant under such laws, and after giving effect to any
rights to contribution pursuant to any agreement providing for an equitable
contribution among such Guarantor and other Guarantors, result in the Guaranteed
Obligations of such Guarantor in respect of such maximum amount not constituting
a fraudulent transfer or conveyance.

          24.  This Guaranty may be executed in any number of counterparts and
by the different parties hereto on separate counterparts, each of which when so
executed and delivered shall be an original, but all of which shall together
constitute one and the same instrument.  A set of counterparts executed by all
the parties hereto shall be lodged with the Guarantors and the Administrative
Agent.

          25.  All payments made by any Guarantor hereunder will be made without
setoff, counterclaim or other defense and on the same basis as payments are made
by the Borrower under Sections 4.03 and 4.04 of the Credit Agreement.

          26.  It is understood and agreed that any Subsidiary of the Borrower
that is required to execute a counterpart of this Guaranty after the date hereof
pursuant to the Credit Agreement shall become a Guarantor hereunder by executing
a counterpart hereof and delivering the same to the Administrative Agent.
<PAGE>

                                                                         Page 13




                                    *  *  *
<PAGE>

          IN WITNESS WHEREOF, each Guarantor has caused this Guaranty to be
executed and delivered as of the date first above written.

                              IDT INTERNATIONAL, CORP., as a Guarantor

                              By:/s/: Joyce J. Mason
                                --------------------
                                Title: Secretary


                              IDT INTERNET SERVICES, INC., as a Guarantor

                              By:/s/: Joyce J. Mason
                                 -------------------
                                 Title: Secretary


                              MEDIA RESPONSE, INC., as a Guarantor

                              By:/s/: Joyce J. Mason
                                --------------------
                                Title: Secretary


                              YOVELLE RENAISSANCE CORPORATION, as a Guarantor

                              By:/s/: Joyce J. Mason
                                --------------------
                                Title: Secretary



<PAGE>

                              NUESTRA VOZ DIRECT INC., as a Guarantor

                              By:/s/: Joyce J. Mason
                                --------------------
                                Title: Secretary


                              225 OLD NB ROAD, INC., as a Guarantor

                              By:/s/: Joyce J. Mason
                                --------------------
                                Title: Secretary


                              DIPCHIP CORP., as a Guarantor

                              By:/s/: Joyce J. Mason
                                --------------------
                                Title: Secretary


                              INTEREXCHANGE, INC., as a Guarantor

                              By:/s/: Kathy B.  Timko
                                ---------------------
                                Title: Chief Operating Officer




Accepted and Agreed to:


BANKERS TRUST COMPANY,
as Collateral Agent

By:/s/: Patricia Hogan
  ---------------------
  Title: Principal

<PAGE>

                                                                   EXHIBIT 10.18

                                Loan Agreement

      Loan Agreement, dated as of May 17, 1999 (the "Agreement"), between IDT
Corporation, a Delaware corporation (the "Company"), and the borrower whose name
appears on the signature page hereof ("Borrower").  Capitalized terms used
herein without definition have the meanings assigned to such terms in the Stock
Option Agreement, dated as of May 16, 1999, by and between Net2Phone, Inc.
("Net2Phone") and Borrower (the "Option Agreement").

      WHEREAS, Borrower intends to exercise the portion of his Options which are
vested and exercisable as of the date hereof, pursuant to the terms of the
Option Agreement; and

      WHEREAS, the Company wishes to loan to Borrower the amount necessary to
pay the exercise price for such Options (the "Option Price");

      NOW THEREFORE the parties hereto agree as follows:

1.    Loan; Cancellation of Options.
      -----------------------------

   a. The Company hereby agrees to make available to Borrower a loan in lawful
money of the United States in the principal amount of

                                    $117,600

(the "Principal Amount") on the terms of this agreement (the "Loan").

   b. As a condition to the making of the Loan, the Borrower agrees with the
Company and with Net2Phone that 240 of the Options that are vested on the date
hereof pursuant to the terms of the Option Agreement shall be deemed to be
cancelled, and shall no longer be deemed to be outstanding.

2.    Repayment of Principal.
      ----------------------

      The entire Principal Amount, or if lesser, the then unpaid principal
balance outstanding under this Agreement, shall be due and payable by Borrower
on May 16, 2001 (the "Normal Repayment Date"), together with all unpaid accrued
interest and other charges due hereunder, unless earlier due and payable by
reason of the acceleration of the maturity of the Principal Amount due hereunder
pursuant to the terms of this Agreement.

3.    Interest.
      --------

      Borrower agrees to pay interest on the unpaid principal outstanding under
this Agreement, which interest payments shall be due and payable annually in
arrears commencing December 31, 1999 and continuing on the last day of each and
every
<PAGE>

December thereafter at a rate per annum equal to 7.0% compounded annually, the
mid-term applicable Federal rate (compounded annually) as of the date hereof
(the "Interest Rate").

      If any payment which is to be made hereunder by Borrower is not paid when
due, such payment shall, from and after the day that is five days following the
applicable payment date, bear interest payable on demand at a rate per annum
equal to the Interest Rate plus 2 percent (2%), but not to exceed the maximum
amount permitted by law.

      If the payment date for the payment of principal or interest under this
Agreement falls on a Saturday, Sunday or a day on which the offices of the
Company are closed, then such payment date shall be extended to the next
succeeding business day, and interest on such payment shall be payable at the
Interest Rate during such extension.

4.    Use of Funds.
      ------------

      Borrower covenants and agrees that the funds advanced pursuant to this
Agreement shall be used solely to finance Borrower's payment of the Option
Price.  As a consequence, Borrower hereby instructs the Company to disburse the
Loan by transferring the Principal Amount to Net2Phone in payment of Borrower's
Option Price.

5.    Voluntary Prepayments.
      ---------------------

      The Loan may be prepaid in whole or in part at any time without premium or
penalty, but with interest on the amount being prepaid through the date of
prepayment, with written notice to the Company received two (2) business days
prior to the date of such prepayment specifying the amount of prepayment.

6.    Mandatory Prepayment in connection with Distribution of Deferral Account.
      ------------------------------------------------------------------------

      Borrower shall prepay, within 90 days after the termination of Borrower's
employment with the Company, the entire Principal Amount, together with all
unpaid accrued interest and other charges properly incurred by the Company
pursuant to Section 8 of this Agreement; provided however that no such
                                         ----------------
prepayment shall be required in the event that Borrower is employed by an
affiliate of the Company immediately following his termination of employment
with the Company.

7.    Defaults.
      --------

      If either of the following events shall occur:  (a) a default by Borrower
in the payment of any of the obligations or liabilities of Borrower to the
Company hereunder which default is not cured within 10 days following delivery
by the Company of notice thereof to Borrower or (b) Borrower shall admit in
writing that he is unable to pay his debts as such debts become due, then, at
the option of the Company, all obligations of Borrower under this Agreement
shall become due and payable forthwith, upon delivery
<PAGE>

by the Company of notice to Borrower to that effect, anything contained herein
or in any other document, instrument or agreement to the contrary
notwithstanding. All obligations of Borrower under this Agreement shall become
immediately and automatically due and payable, without presentment, demand,
protest or notice of any kind, upon the commencement by or against Borrower of a
case or proceeding under any bankruptcy, insolvency or other law relating to the
relief of debtors, which case or proceeding is not discharged or bonded within
30 days.

8.    Costs.
      -----

      Borrower agrees to pay on demand all reasonable costs and expenses
incurred by the Company incidental to or in any way relating to the Company's
enforcement of the obligations of Borrower hereunder or the preservation or
protection of the Company's rights in connection herewith, including, but not
limited to, reasonable attorneys' fees and expenses.

9.    Governing Law; Jurisdiction.
      ---------------------------

      The provisions of this Agreement shall be construed and interpreted and
all rights and obligations hereunder shall be determined in accordance with the
laws of the State of Delaware without reference to principles of conflicts or
choice of law under which the law of any other jurisdiction would apply, and the
courts located in that state shall have exclusive jurisdiction of all disputes
rising hereunder.

10.   Advice of Counsel.
      -----------------

      Borrower acknowledges having had the opportunity to obtain the advice of
counsel of his own choosing in entering into this Agreement and the transactions
contemplated hereby.  Borrower is fully aware of the contents of this Agreement
and its legal effect and is entering into this Agreement without threat,
coercion, fraud or duress of any kind.  Borrower is not relying on any
representation, statement, or warranty of any party regarding this Agreement or
the transactions contemplated hereby.

11.   Counter-Claims, Set-Off.
      -----------------------

      Borrower waives the right to interpose any counter-claim and the right of
set-off of any kind relating to the claims of the Company under this Agreement
or the transactions contemplated hereby.

12.   Assignment.
      ----------

      The obligations or rights of the Company hereunder shall be assignable or
transferable in full or in part by the Company without the consent of, but upon
prior notice to, Borrower.  No obligation or rights of Borrower hereunder can be
assigned or transferred without the prior written consent of the Company.
<PAGE>

13.   No Waiver, Cumulative Remedies.
      ------------------------------

      No failure on the part of the Company to exercise, and no delay in
exercising, any right, remedy or power hereunder shall operate as waiver
thereof, nor shall any single or partial exercise by the Company of any right,
remedy or power hereunder preclude any other or future exercises of any other
right, remedy or power.

      Each and every right, remedy and power hereby granted to the Company shall
be cumulative and not exclusive of any other such right, remedy or power, and
may be exercised by the Company from time to time.

14.   Severability.
      ------------

      Every provision of this Agreement, other than the set-off provisions
hereof, is intended to be severable; if any term or provision of this Agreement
shall be invalid, illegal or unenforceable for any reason whatsoever, the
validity, legality and enforceability of the remaining provisions hereof shall
not in any way be affected or impaired.

15.   Notices.
      -------

      Any notice required or desired to be delivered under this Agreement shall
be in writing and shall be delivered personally, by courier service, by
registered mail, return receipt requested, or by telecopy and shall be effective
upon actual receipt by the party to which such notice shall be directed, and
shall be addressed as follows (or to such other address as the party entitled to
notice shall hereafter designate in accordance with the terms hereof):

      If to the Company:

         IDT Corporation
         190 Main Street
         Hackensack, NJ  07601
         Attention:  General Counsel

      If to Borrower, to him at the address set forth on the signature page
hereof.
<PAGE>

16.   Headings.
      --------

      The section headings in this Agreement are for convenience only and are
not intended to affect the interpretation or construction of the provisions of
this Agreement.

17.   Amendments.
      ----------

      This Agreement may not be altered, modified or amended except by a written
instrument signed by each of the parties hereto.

18.   Counterparts.
      ------------

      This Agreement may be executed in counterparts, each of which shall be
deemed an original but all of which shall constitute one and the same
instrument.
<PAGE>

      IN WITNESS WHEREOF, the Company has caused this Agreement to be executed
by its duly authorized officer and Borrower has hereunto set his hand as of the
day and year first above written.


                           IDT Corporation


                           By:  /s/ Joyce Mason
                                ---------------------------------
                                Name: Joyce Mason
                                Title: General Counsel



                           BORROWER


                           /s/ Stephen Brown
                           -------------------------------------
                           Name: Stephen Brown
                           Address: 390 Oak Ave
                           Cedarhurst, NY 11516

<TABLE> <S> <C>

<PAGE>

<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
REGISTRANT'S REPORT ON FORM 10-Q FOR THE NINE MONTHS ENDED APRIL 30, 1999 AND IS
QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>

<S>                             <C>
<PERIOD-TYPE>                   9-MOS
<FISCAL-YEAR-END>                          JUL-31-1999
<PERIOD-START>                             AUG-01-1998
<PERIOD-END>                               APR-30-1999
<CASH>                                      20,019,055
<SECURITIES>                                82,921,786
<RECEIVABLES>                               85,534,846
<ALLOWANCES>                                 7,065,573
<INVENTORY>                                          0
<CURRENT-ASSETS>                           213,241,851
<PP&E>                                     134,994,360
<DEPRECIATION>                              31,210,988
<TOTAL-ASSETS>                             462,678,911
<CURRENT-LIABILITIES>                       85,558,180
<BONDS>                                              0
                                0
                                          0
<COMMON>                                       237,967
<OTHER-SE>                                 257,303,067
<TOTAL-LIABILITY-AND-EQUITY>               462,678,911
<SALES>                                              0
<TOTAL-REVENUES>                           485,769,653
<CGS>                                      377,848,927
<TOTAL-COSTS>                              467,257,767
<OTHER-EXPENSES>                             2,604,775
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                               9,141
<INCOME-PRETAX>                             15,897,970
<INCOME-TAX>                                 6,896,976
<INCOME-CONTINUING>                          9,000,994
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                 9,000,994
<EPS-BASIC>                                     0.27
<EPS-DILUTED>                                     0.25


</TABLE>


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