DELTATHREE COM INC
S-8, 2000-04-06
BUSINESS SERVICES, NEC
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  As filed with the Securities and Exchange Commission on April 6, 2000
                                                    Registration No. 333-


                     SECURITIES AND EXCHANGE COMMISSION
                           WASHINGTON, D.C. 20549



                                  FORM S-8
                           REGISTRATION STATEMENT
                                   Under
                         The Securities Act of 1933



                            DELTATHREE.COM, INC.
           (Exact name of registrant as specified in its charter)



    DELAWARE                                    13-4006766
 (State of incorporation)                    (I.R.S. employer
                                             identification number)


                         430 PARK AVENUE, SUITE 500
                          NEW YORK, NEW YORK 10022
        (Address of principal executive offices, including zip code)


                            DELTATHREE.COM, INC.
                         1999 STOCK INCENTIVE PLAN
                      1999 PERFORMANCE INCENTIVE PLAN
                     1999 EMPLOYEE STOCK PURCHASE PLAN
                           1999 DIRECTORS' PLAN
                          (FULL TITLE OF THE PLAN)


                             MARK J. HIRSCHHORN
                          CHIEF FINANCIAL OFFICER
                            DELTATHREE.COM, INC.
                         430 PARK AVENUE, SUITE 500
                          NEW YORK, NEW YORK 10022
                               (212) 588-3670
         (NAME, ADDRESS AND TELEPHONE NUMBER, INCLUDING AREA CODE,
                           OF AGENT FOR SERVICE)


                              WITH COPIES TO:

                         DAVID J. GOLDSCHMIDT, ESQ.
                  SKADDEN, ARPS, SLATE, MEAGHER & FLOM LLP
                             FOUR TIMES SQUARE
                          NEW YORK, NEW YORK 10036
                               (212) 735-3000


                      CALCULATION OF REGISTRATION FEE

<TABLE>
<CAPTION>

                                               Proposed Maximum     Proposed Maximum     Amount of
 Title of Securities       Amount to be         Offering Price      Aggregate Offering   Registration
 to be Registered         Registered (1)         per Share (2)          Price               Fee

<S>                        <C>                 <C>                  <C>                <C>
 Class A common stock,
   par value $0.001 per
   share                   5,228,736              $ 16.6875           $ 87,254,532.00    $ 23,035.20

</TABLE>

 (1)       The aggregate number of shares of common stock shown in the
           table above consists of the maximum number of shares of common
           stock that are available for grant under the deltathree.com,
           Inc. 1999 Stock Incentive Plan, 1999 Performance Incentive Plan,
           1999 Employee Stock Purchase Plan and 1999 Directors' Plan
           (collectively, the "Plans"). 748,288 shares and options to
           purchase 372,976 shares were previously issued under the 1999
           Stock Incentive Plan and registered (including the indeterminate
           number of shares underlying the options) on a registration
           statement, Registration No. 333-86503. The aggregate number of
           shares is subject to adjustment by reason of stock splits, stock
           dividends and other events pursuant to the Plan. Accordingly,
           pursuant to Rule 416 under the Securities Act of 1933, as
           amended (the "Securities Act"), this registration statement
           covers, in addition to the number of shares of common stock
           shown in the table above, an indeterminate number of shares of
           common stock which may be subject to grant or otherwise issuable
           after the operation of the provisions of the plan governing such
           adjustments.

 (2)       The Proposed Maximum Offering Price per Share was calculated
           pursuant to Rule 457(c) under the Securities Act whereby the per
           share price was determined by reference to the average between
           the high and low price reported on the Nasdaq National Market
           System on April 5, 2000, which average was $16.6875.


                              EXPLANATORY NOTE

      deltathree.com, Inc. has prepared this registration statement in
 accordance with the requirements of Form S-8 under the Securities Act, to
 register shares of common stock issued or issuable pursuant to
 deltathree.com's 1999 Stock Incentive Plan, 1999 Performance Incentive
 Plan, 1999 Employee Stock Purchase Plan and 1999 Directors' Plan
 (collectively, the "Plans").

      This registration statement on Form S-8 also includes a prospectus
 prepared in accordance with Instruction C of Form S-8, in accordance with
 the requirements of Part I of Form S-3, and may be used for reofferings
 and resales on a continuous or delayed basis in the future of up to an
 aggregate 5,228,736 shares that constitute either "control securities"
 and/or "restricted securities" which have been issued prior to the filing
 of this registration statement.

                                   PART I

            INFORMATION REQUIRED IN THE SECTION 10(A) PROSPECTUS

      deltathree.com will send or give the documents containing the
 information specified in Part I of Form S-8 to employees as specified by
 the Securities and Exchange Commission in Rule 428(b)(1) promulgated under
 the Securities Act. deltathree.com does not need to file these documents
 with the Commission either as part of this registration statement or as
 prospectuses or prospectus supplements pursuant to Rule 424 promulgated
 under the Securities Act.






                                 PROSPECTUS

                  5,228,736 SHARES OF CLASS A COMMON STOCK
                          OF DELTATHREE.COM, INC.

      The shares of Class A common stock, $0.001 par value per share (the
 "common stock"), of deltathree.com, Inc. offered hereby will be sold from
 time to time by certain stockholders of deltathree.com described under the
 caption "Registered Stockholders" in this prospectus.  The registered
 stockholders are current or former employees of our company or officers or
 directors our company who acquired the shares of common stock as
 compensation for services performed for deltathree.com.

      The sales may occur in transactions in the over-the-counter market
 (quoted on the Nasdaq National Market) at prevailing market prices or in
 negotiated transactions. We will not receive proceeds from any of these
 sales. We are paying the expenses incurred in registering the shares, but
 all selling and other expenses incurred by each of the registered
 stockholders will be borne by that registered stockholder.

      The shares of common stock are "control securities" and/or "restricted
 securities" under the Securities Act of 1933, as amended (the "Securities
 Act"), before their sale under this prospectus. This prospectus has been
 prepared for the purpose of registering the shares under the Securities Act
 to allow for future sales by the registered stockholders, on a continuous
 or delayed basis, to the public without restriction. Each registered
 stockholder may be deemed to be an "underwriter" within the meaning of the
 Securities Act. Any commissions received by a broker or dealer in
 connection with resales of the shares may be deemed to be underwriting
 commissions or discounts under the Securities Act.

      Our common stock is traded on the Nasdaq National Market under the
 symbol "DDDC." On April 5, 2000, the last reported sale price of the
 common stock, as reported on the Nasdaq National Market, was $16.125 per
 share.

                             _________________

      Investing in the common stock involves a high degree risk.  For more
 information, please see "Risk Factors" beginning on page 8.
                             _________________

      NEITHER THE SECURITIES AND EXCHANGE COMMISSION NOR ANY STATE
 SECURITIES COMMISSION HAS APPROVED OR DISAPPROVED OF THESE SECURITIES OR
 DETERMINED WHETHER THIS PROSPECTUS IS TRUTHFUL OR COMPLETE. ANY
 REPRESENTATION TO THE CONTRARY IS A CRIMINAL OFFENSE.
                             _________________

                               April 6, 2000
                              _________________


                             TABLE OF CONTENTS

                                                                       PAGE

 AVAILABLE INFORMATION . . . . . . . . . . . . . . . . . . . . . . . . . 3
 INCORPORATED DOCUMENTS  . . . . . . . . . . . . . . . . . . . . . . . . 4
 THE COMPANY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
 RISK FACTORS  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
 SPECIAL NOTE REGARDING FORWARD-LOOKING STATEMENTS . . . . . . . . . .  24
 REGISTERED STOCKHOLDERS . . . . . . . . . . . . . . . . . . . . . . .  25
 PLAN OF DISTRIBUTION  . . . . . . . . . . . . . . . . . . . . . . . .  27
 LEGAL MATTERS . . . . . . . . . . . . . . . . . . . . . . . . . . . .  27
 EXPERTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  28


                           AVAILABLE INFORMATION

      deltathree.com is subject to the informational reporting requirements
 of the Securities Exchange Act of 1934 and files reports, proxy statements
 and other information with the Securities and Exchange Commission.  These
 reports, proxy statements and other information can be inspected and copied
 at the Public Reference Room of the Commission, 450 Fifth Street, N.W.,
 Washington, D.C. 20549 and at the Commission's regional offices at 500 West
 Madison Street, Suite 1400, Chicago, IL 60661-2511 and 7 World Trade
 Center, 13th Floor, New York, NY 10048, at prescribed rates. The Commission
 maintains a website that contains reports, proxy and information statements
 and other information regarding registrants, including deltathree.com, that
 file electronically with the Commission. The address of this website is
 "http://www.sec.gov." In addition, you may obtain information from the
 Public Reference Room by calling the Commission at 1-800-SEC-0330. In
 addition, our common stock is quoted on the Nasdaq National Market System.
 Reports, proxy statements, informational statements and other information
 concerning deltathree.com can be inspected at the offices of the National
 Association of Securities Dealers, Inc. at 1735 K Street, N.W., Washington,
 D.C. 20006.

      deltathree.com intends to furnish its stockholders with annual reports
 containing additional financial statements and a report thereon by
 independent certified public accountants.

      A copy of any document incorporated by reference in this registration
 statement of which this prospectus forms a part but which is not delivered
 with this prospectus will be provided by us without charge to any person to
 whom this prospectus has been delivered upon the oral or written request of
 that person.  Requests should be directed to the attention of the Corporate
 Secretary, deltathree.com, Inc., 430 Park Avenue, Suite 500, New York, New
 York 10022. Our telephone number at that location is (212) 588-3670.

      You should only rely on the information incorporated by reference or
 provided in this prospectus or any supplement. We have not authorized
 anyone else to provide you with different information. The common stock is
 not being offered in any state where the offer is not permitted. You should
 not assume that the information in this prospectus or any supplement is
 accurate as of any date other than the date on the front of this
 prospectus.


                           INCORPORATED DOCUMENTS

      The Commission allows us to "incorporate by reference" information
 into this prospectus, which means that we can disclose important
 information to you by referring you to another document filed separately
 with the Commission. The information incorporated by reference is deemed to
 be part of this prospectus, except for any information superseded by
 information in this prospectus.

      deltathree.com's prospectus dated November 22, 1999, filed on November
 23, 1999 pursuant to Rule 424(b) of the Securities Act, deltathree.com's
 registration statement on Form 8-A filed with the Commission on November
 23, 1999 under Section 12 of the Exchange Act, and deltathree.com's annual
 report on Form 10-K for the fiscal year ended December 31, 1999, as filed
 with the Commission on March 29, 2000 are incorporated herein by
 reference.  In addition, all documents subsequently filed by deltathree.com
 pursuant to Sections 13(a), 13(c), 14 and 15(d) of the Exchange Act, prior
 to the filing of a post-effective amendment which indicates that all
 securities offered have been sold or which deregisters all securities then
 remaining unsold, shall be deemed to be incorporated by reference herein
 and to be a part hereof from the date of filing of such documents. Any
 statement contained in a document incorporated or deemed to be incorporated
 by reference herein shall be deemed to be modified or superseded for
 purposes of this prospectus to the extent that a statement contained herein
 or in any other subsequently filed document which also is incorporated or
 deemed to be incorporated by reference herein modifies or supersedes such
 statement. Any such statement so modified or superseded shall not be
 deemed, except as so modified or superseded, to constitute a part of this
 prospectus.


                                THE COMPANY

      We are a global provider of Internet Protocol (IP) telephony services,
 which include the transmission of voice and data traffic for communications
 carriers and the provision of enhanced Web-based and other communications
 services to individuals and businesses.  IP telephony is the real time
 transmission of voice communications in the form of digitized "packets" of
 information over the public Internet or a private network, similar to the
 way in which e-mail and other data is transmitted.  We were founded in 1996
 to capitalize on the growth of the Internet as a communications tool by
 commercially offering IP telephony services.  We have built a privately-
 managed, global network using IP technology, and we have primarily been
 using this network to transmit traffic for communications carriers,
 including RSL Communications, Ltd., our parent company.  This service is
 referred to as carrier transmission services.

      We are now using our expertise in IP telephony to provide our users
 with a package of enhanced IP communications services.  Our on-line
 interactive communications portal, www.deltathree.com, enables users to
 make calls and send e-mail, as well as retrieve and forward voice mail,
 e-mail and faxes using one unified mailbox from anywhere in the world at
 any time.  Our package of enhanced IP communications services includes the
 following:

      o         PC-to-phone:  a service allowing a user to place a call
                through a personal computer and speak to a party who uses a
                standard telephone

      o         D3 Box:  a unified messaging service permitting convenient
                single-source retrieval of voice mail, e-mail and faxes
                through the Web or by phone

      o         Click IT:  a Web-based e-commerce service allowing a party
                to simultaneously view the Web site of a business and talk
                directly with that business while continuing to view the Web
                site

      o         Phone-to-phone:  a voice and fax service allowing a user to
                place a call or send a fax over our privately-managed,
                global IP network from a standard telephone or fax machine

      o         Global roaming:  a service enabling businesses and
                individuals to use a single account number to place phone-
                to-phone calls over our IP network from locations throughout
                the world using country-specific, toll-free access numbers

      o         YourDay.com:  an on-line calendar and scheduling system that
                integrates personal assistant digital products, telephones
                and the Internet to allow individuals to access their
                scheduling and business data information from one centrally
                located Web site

      We provide our services at a cost to users that is generally lower
 than that charged by traditional carriers because we minimize our network
 costs by using efficient packet-switched technology and we generally avoid
 local access charges and by-pass international settlement charges by
 routing international long distance calls over our privately managed
 network.

      We intend to introduce additional enhanced IP communications services
 that meet the communications needs of individuals and businesses.  These
 services are expected to include D3 Fax, a Web-based, PC-to-fax service
 allowing users to conveniently send faxes directly from their computer to a
 standard fax machine anywhere in the world, and white boarding, a service
 allowing multiple users to simultaneously edit a document while speaking
 with each other over their computers.

      We market our enhanced IP communications services through our own Web
 site.  In addition, we market these services through "communications
 centers" on the Web sites of other Internet companies.  Communications
 centers enable viewers of those Web sites to directly access our services
 without leaving those Web sites.  We have sought to establish marketing
 relationships with Internet companies that have strong brand names and high
 traffic volumes.  To date, we have marketing relationships with CBS.com,
 CNET, Sony.com, Xoom.com and Yahoo! and we are continuing to pursue
 marketing relationships with other companies.  We also have entered into
 distribution and marketing arrangements with communications equipment and
 software companies.

      In February 2000, we acquired YourDay.com, Inc., a leading on-line
 calendar and scheduling system that seamlessly integrates Personal
 Digital Assistants (PDAs), telephones and the Internet.  As a result of
 this acquisition, users will be able to access their calendars and
 schedules on the Internet, over the phone or with their PDAs by using a
 synchronization tool for fast response and easy transfer of data.
 YourDay.com will be integrated into our existing service offerings.

      Carrier transmission services accounted for 71.7% of our total
 revenues in 1998 and 59.8% of our total revenues in 1999.  As we expand our
 marketing and promotional efforts for our enhanced IP communications
 services, we expect revenue from these services, over time, to represent a
 majority of our total revenues.

      Our privately-managed, IP telephony network consists of:

      o     46 points of presence (POPs) in 29 countries

      o     interconnections with the RSL COM network

      o     gateways, gatekeepers and routers at each POP

      o     peering arrangements with Internet backbone providers

      o     hubs in New York, Los Angeles, Frankfurt and Hong Kong

      o     a network operations center

      o     dedicated leased bandwidth

      We were founded in 1996. In July 1997, RSL COM, a global facilities-
 based telecommunications company, acquired a controlling 51% interest in
 us. By April 1998, RSL COM had acquired the remaining 49% interest in us
 from existing shareholders, and we became a wholly-owned subsidiary of RSL
 COM. RSL COM currently owns shares of our Class B common stock
 representing approximately 95.5% of the combined voting power of all
 classes of our capital stock and approximately 68.1% of the economic
 interest in our company. We provide carrier transmission services to RSL
 COM. Such services accounted for 69.1% of our total revenues in 1998 and
 67.2% of our total revenues in 1999.

      We registered 6,900,000 shares of our Class A common stock on a Form
 S-1 registration statement, which became effective on November 22, 1999.
 We received net proceeds of approximately $96,255,000 from the sale of the
 6,900,000 shares at the initial public offering price of $15.00 per share
 on November 29, 1999.  The managing underwriters for this offering were
 Lehman Brothers Inc., Merrill Lynch & Co., U.S. Bancorp Piper Jaffray,
 Lazard FrEres & Co. LLC and Fidelity Capital Markets.

      Our executive offices are located at 430 Park Avenue, Suite 500, New
 York, New York 10022; our telephone number is (212) 588-3670 and our
 facsimile number is (212) 588-3674.  Our web site is www.deltathree.com.
 The information contained on our web site is not incorporated by reference
 into this prospectus.


                                RISK FACTORS

      This offering involves a high degree of risk.  You should carefully
 consider the risks described below and the other information in this
 prospectus before deciding to invest in the shares of common stock.

 RISKS RELATED TO OUR COMPANY

 WE HAVE A HISTORY OF LOSSES AND WE ANTICIPATE OUR LOSSES WILL CONTINUE

      We have incurred significant losses since inception, and we expect to
 continue to incur significant losses for the foreseeable future.  We
 reported a net loss of approximately $33.8 million in 1999, and a net loss
 of approximately $7.1 million in 1998.  As of December 31, 1999, our
 accumulated deficit was approximately $43.4 million.  As a percentage of
 revenues, our net loss was 305.6% in 1999 and 126.3% in 1998.  Our revenues
 may not continue to grow or even continue at their current level.  In
 addition, we expect our operating expenses to increase significantly as we
 develop and expand our business.  For example, we intend to spend
 approximately $20 million on marketing and promotional programs in 2000
 compared to $7.4 million in 1999 and $2.4 million in 1998.  As a result, we
 will need to increase our revenues significantly to become profitable.  In
 order to increase our revenues, we need to attract users to increase the
 fees we collect for our services.  If our revenues do not increase as much
 as we expect or if our expenses increase at a greater pace than revenues,
 we may never be profitable or, if we become profitable, we may not be able
 to sustain or increase profitability on a quarterly or annual basis.

 WE HAVE A LIMITED OPERATING HISTORY UPON WHICH YOU CAN EVALUATE US

      We have only a limited operating history upon which you can evaluate
 our business and prospects.  We commenced operations in June 1996.  You
 should consider our prospects in light of the risks, expenses and
 difficulties we may encounter as an early stage company in the new and
 rapidly evolving market for IP communications services.  These risks
 include our ability:

      o         to increase awareness of our brand, increase the number of
                users of our IP telephony services and build user loyalty

      o         to increase revenues to cover the increased marketing
                expenditures we have planned

      o         to compete effectively

      o         to develop new products and keep pace with developing
                technology

      In addition, because we expect an increasing percentage of our
 revenues to be derived from our enhanced IP communications services, our
 past operating results may not be indicative of our future results.

 WE MAY NOT BE ABLE TO EXPAND OUR REVENUE AND ACHIEVE PROFITABILITY

      Our business strategy is to expand our revenue sources to enhanced IP
 communications services and advertising on the Internet.  We can neither
 assure you that we will be able to do this or that this strategy will be
 profitable.  Currently our revenues are primarily generated from carrier
 transmission services for RSL COM and other communications carriers.
 Carrier transmission services generated 59.8% of our total revenues in 1999
 and 74.7% in 1998.  Enhanced IP communications services generated 18.0% of
 our total revenues in 1999 and 20.5% in 1998.  The provision of carrier

 transmission services and enhanced IP communications services have not been
 profitable to date.

      In the future, we intend to generate increased revenues from multiple
 sources, many of which are unproven, including the commercial sale of
 enhanced IP communications services and advertising on the Internet. To
 date, we have recorded no revenue from advertising.  We expect that our
 revenues for the foreseeable future will be dependent on, among other
 factors:

      o         sale of enhanced IP communications services

      o         acceptance and use of Internet communications

      o         continued rapid growth of the Internet consumer market

      o         expansion of service offerings

      o         user traffic levels

      o         the effect of competition, regulatory environment,
                international long distance rates and access and
                transmission costs on our prices

      o         sale of carrier transmission services

      o         continued improvement of our global network quality

      o         sale of Internet advertising

 We may not be able to sustain our current revenues or successfully generate
 additional revenues from the sale of carrier transmission services,
 enhanced IP communications services and advertising on the Internet in the
 future.

 WE CANNOT ASSURE YOU THAT A MARKET FOR OUR SERVICES WILL DEVELOP

      We are uncertain whether a market will develop for our enhanced IP
 communications services.  Our market is new and rapidly evolving.  Our
 ability to sell our services to end users may be inhibited by, among other
 factors, the reluctance of some end users to switch from traditional
 communications carriers to IP communications carriers and by concerns with
 the quality of Internet and IP telephony and adequacy of security in the
 exchange of information over the Internet.  End users in markets serviced
 by recently deregulated telecommunications providers are not familiar with
 obtaining services from competitors of these providers and may be reluctant
 to use new providers, such as our company.  Our ability to increase
 revenues from enhanced IP communications services depends on the migration
 of traditional telephone network traffic to our IP network.  We will need
 to devote substantial resources to educate end users about the benefits of
 IP communications solutions in general and our services in particular, and
 as a result, we intend to spend approximately $20 million in 2000 for
 marketing and promotional activities.  If end users do not accept our
 enhanced IP communications services as a means of sending and receiving
 communications we will not be able to increase our number of paid users or
 successfully generate revenues in the future.

 OUR FUTURE SUCCESS DEPENDS ON THE GROWTH IN THE USE OF THE INTERNET AS A
 MEANS OF COMMUNICATIONS

      If the market for IP communications, in general, and our services in
 particular, does not grow at the rate we anticipate, we will not be able to
 increase our number of users or generate revenues from our enhanced IP
 communications services or from advertising on the Internet at the rate we
 anticipate.  We currently rely on revenues generated primarily from the
 sale of carrier transmission services but expect in the future to
 increasingly rely on revenues generated from enhanced IP communications
 services and from advertising on the Internet.  To be successful, IP
 communications requires validation as an effective, quality means of
 communication and as a viable alternative to traditional telephone service.
 As is typical in the case of a new and rapidly evolving industry, demand
 and market acceptance for recently introduced services are subject to a
 high level of uncertainty.  The Internet may not prove to be a viable
 alternative to traditional telephone service for reasons including:

      o         inconsistent quality or speed of service

      o         traffic congestion on the Internet

      o         potentially inadequate development of the necessary
                infrastructure

      o         lack of acceptable security technologies

      o         lack of timely development and commercialization of
                performance improvements

      o         unavailability of cost-effective, high-speed access to the
                Internet

      If Internet usage grows, the Internet infrastructure may not be able
 to support the demands placed on it by such growth, or its performance or
 reliability may decline.  In addition, Web sites may from time to time
 experience interruptions in their service as a result of outages and other
 delays occurring throughout the Internet network infrastructure.  If these
 outages or delays frequently occur in the future, Internet usage, as well
 as usage of our communications portal and our services, could be adversely
 affected.

 IF WE DO NOT DEVELOP THE DELTATHREE.COM BRAND, WE MAY NOT BE ABLE TO
 MAINTAIN A LEADING POSITION IN OUR INDUSTRY

      We may not be able to become the leader in our industry.  To become
 the leader, we must strengthen the brand awareness of the deltathree.com
 brand.  If we fail to create and maintain brand awareness, it could
 adversely affect our ability to attract sufficient Web traffic and reduce
 our attractiveness to advertisers.  Brand recognition may become more
 important in the future with the growing number of Internet sites and IP
 communications providers.

 IF WE FAIL TO ESTABLISH MARKETING RELATIONSHIPS THAT PROVIDE US VISIBILITY,
 WE MAY NOT BE ABLE TO SUFFICIENTLY INCREASE OUR SALES

      We believe that our success depends, in part, on our ability to
 develop and maintain marketing and promotional relationships with Internet
 companies and communications equipment and software companies that
 themselves have strong brand names or high traffic volumes.  If we are
 unable to establish and maintain these relationships, we may not be able to
 increase sales of our services, and we may lose users.

 WE WILL NEED ADDITIONAL CAPITAL TO FINANCE OUR OPERATIONS IN THE FUTURE AND
 MAY HAVE TO REQUEST IT FROM RSL COM WHO HAS NO OBLIGATION TO PROVIDE IT

      We intend to continue to enhance and expand our network in order to
 maintain our competitive position and meet the increasing demands for
 service quality, capacity and competitive pricing.  Also, the introduction
 of our new enhanced IP communications services will require significant
 marketing and promotional expenses that we often incur before we begin to
 receive the related revenue.  If our cash flow from operations is not
 sufficient to meet our capital expenditure and working capital
 requirements, we will need to raise additional capital from other sources.
 Although we are neither the debtor nor the guarantor under any of the
 indentures that govern a substantial amount of RSL COM's debt, we are a
 "restricted subsidiary" under these indentures and will continue to be one
 after the completion of the offering.  The limitations under RSL COM's
 restrictive indenture covenants prohibit RSL COM and its restricted
 subsidiaries, including us, from incurring any significant amount of
 additional debt.  We have agreed with RSL COM not to take any action which
 would cause RSL COM to default under its indentures and not to incur any
 debt, other than inter-company debt, without its written consent so long as
 we are a restricted subsidiary of RSL COM.  These limitations may require
 us to resort to other sources of funding, such as the issuance of equity.
 If we issue additional equity, investors could experience dilution.  If we
 are unable to raise additional capital through the issuance of equity, we
 may need to rely upon RSL COM to provide any additional capital to meet our
 working capital and capital expenditure requirements and we cannot assure
 you that RSL COM or any other third party will be willing or able to
 provide additional capital on favorable terms.  If we are unable to obtain
 additional capital, we may be required to reduce the scope of our business
 or our anticipated growth, which would reduce our revenues.

 WE MAY BE UNABLE TO MANAGE OUR EXPANSION AND ANTICIPATED GROWTH EFFECTIVELY

 We have grown and expect to continue to grow rapidly.  This growth has
 placed, and is likely to continue to place, a significant strain on our
 managerial, operational and financial resources.  To manage our growth, we
 must continue to implement and improve our operational and financial
 systems, as well as our managerial controls and procedures. We cannot
 assure you that we have made adequate allowances for the costs and risks
 associated with this expansion, that our systems, procedures or controls
 will be adequate to support our operations or that our management will be
 able to successfully offer and expand our services.  If we are unable to
 effectively manage our expanding operations, our revenues may not increase,
 our cost of operations may rise and we may not be profitable.

 POTENTIAL FLUCTUATIONS IN OUR QUARTERLY FINANCIAL RESULTS MAKE IT DIFFICULT
 FOR INVESTORS TO PREDICT OUR FUTURE PERFORMANCE

 Our quarterly operating results may fluctuate significantly in the future
 as a result of a variety of factors, many of which are outside our control.
 The factors generally within our control include:

      o         the rate at which we are able to attract users to purchase
                our enhanced IP communications services

      o         the amount and timing of expenses to enhance marketing and
                promotion efforts and to expand our infrastructure

      o         the timing of announcements or introductions of new or
                enhanced services by us

      The factors outside our control include:

      o         the timing of announcements or introductions of new or
                enhanced services by our competitors

      o         technical difficulties or network interruptions in the
                Internet or our privately managed network

      o         general economic and competitive conditions specific to our
                industry

      The foregoing factors also may create other risks affecting our long-
 term success, as discussed in the other risk factors.

      We believe that quarter-to-quarter comparisons of our historical
 operating results may not be a good indication of our future performance,
 nor would our operating results for any particular quarter be indicative of
 our future operating results.

 OUR NETWORK MAY NOT BE ABLE TO ACCOMMODATE OUR CAPACITY NEEDS

      We expect the volume of traffic we carry over our network to increase
 significantly as we expand our operations and service offerings.  Our
 network may not be able to accommodate this additional volume.  In order to
 ensure that we are able to handle additional traffic, we may have to enter
 into long-term agreements for leased capacity.  To the extent that we
 overestimate our capacity needs, we may be obligated to pay for more
 transmission capacity than we actually use, resulting in costs without
 corresponding revenues.  Conversely, if we underestimate our capacity
 needs, we may be required to obtain additional transmission capacity from
 more expensive sources.  If we are unable to maintain sufficient capacity
 to meet the needs of our users, our reputation could be damaged and we
 could lose users.

 WE FACE A RISK OF FAILURE OF COMPUTER AND COMMUNICATIONS SYSTEMS USED IN
 OUR BUSINESS

      Our business depends on the efficient and uninterrupted operation of
 our computer and communications systems as well as those that connect to
 our network.  We maintain communications systems in five facilities in New
 York, Los Angeles, London, Frankfurt and Jerusalem.  Our systems and those
 that connect to our network are subject to disruption from natural
 disasters or other sources of power loss, communications failure, hardware
 or software malfunction, network failures and other events both within and
 beyond our control.  In December 1998, we experienced a system disruption
 while we were installing a new billing system and users were unable to
 access our Web site for six hours.  In July 1999, we experienced a system
 disruption with respect to our unified messaging service, D3 Box, while the
 product was being market tested.  For a period of three days the system was
 down and users were unable to send or retrieve new messages.  Any system
 interruptions that cause our services to be unavailable, including
 significant or lengthy telephone network failures or difficulties for users
 in communicating through our network or portal, could damage our reputation
 and result in a loss of users.

 OUR COMPUTER SYSTEMS AND OPERATIONS MAY BE VULNERABLE TO SECURITY BREACHES

      Our computer infrastructure is potentially vulnerable to physical or
 electronic computer viruses, break-ins and similar disruptive problems and
 security breaches which could cause interruptions, delays or loss of
 services to our users.  We believe that the secure transmission of
 confidential information over the Internet, such as credit card numbers, is
 essential in maintaining user confidence in our services.  We rely on
 licensed encryption and authentication technology to effect secure
 transmission of confidential information, including credit card numbers.
 It is possible that advances in computer capabilities, new technologies or
 other developments could result in a compromise or breach of the technology
 we use to protect user transaction data.  A party that is able to
 circumvent our security systems could misappropriate proprietary
 information or cause interruptions in our operations.  Security breaches
 also could damage our reputation and expose us to a risk of loss or
 litigation and possible liability. Although we have experienced no security
 breaches to date of which we are aware, we cannot guarantee you that our
 security measures will prevent security breaches.

 THIRD PARTIES MIGHT INFRINGE UPON OUR PROPRIETARY TECHNOLOGY

      We cannot assure you that the steps we have taken to protect our
 intellectual property rights will prevent misappropriation of our
 proprietary technology.  To protect our rights to our intellectual
 property, we rely on a combination of trademark and patent law, trade
 secret protection, confidentiality agreements and other contractual
 arrangements with our employees, affiliates, strategic partners and others.
 Although we do not currently own any issued patents, we have pending
 applications for patents in the United States and Israel.  We may be unable
 to detect the unauthorized use of, or take appropriate steps to enforce,
 our intellectual property rights.  Effective copyright and trade secret
 protection may not be available in every country in which we offer or
 intend to offer our services. Failure to adequately protect our
 intellectual property could harm our brand, devalue our proprietary content
 and affect our ability to compete effectively.  Further, defending our
 intellectual property rights could result in the expenditure of significant
 financial and managerial resources.

 OUR SERVICES MAY INFRINGE ON THE INTELLECTUAL PROPERTY RIGHTS OF OTHERS

      Third parties may assert claims that we have violated a patent or
 infringed a copyright, trademark or other proprietary right belonging to
 them.  We incorporate licensed third-party technology in some of our
 services.  In these license agreements, the licensors have agreed to
 indemnify us with respect to any claim by a third party that the licensed
 software infringes any patent or other proprietary right so long as we have
 not made changes to the licensed software.  We cannot assure you that these
 provisions will be adequate to protect us from infringement claims.  Any
 infringement claims, even if not meritorious, could result in the
 expenditure of significant financial and managerial resources.

      On October 8, 1999, we were named as a defendant in a lawsuit alleging
 that we are infringing on a patent by making, using, selling and offering
 for sale prepaid telephone card products in the United States.  The
 plaintiffs are seeking an injunction to stop us from using the technology
 covered by this patent, monetary damages in an unspecified amount and
 reimbursement of attorneys' fees.  We have answered the complaint, and the
 parties are currently engaged in pre-trial discovery.  As we continue to
 evaluate these claims, we believe that we have meritorious defenses to the
 claim and we intend to defend the lawsuit vigorously.  However, the outcome
 of the litigation is inherently unpredictable and an unfavorable result may
 have a material adverse effect on our business, financial condition and
 results of operations.  Regardless of the ultimate outcome, the litigation
 could result in substantial expenses to us and significant diversion of
 efforts by our managerial and other personnel.

 OPERATING INTERNATIONALLY EXPOSES US TO ADDITIONAL AND UNPREDICTABLE RISKS

      We intend to continue to enter additional markets in Eastern Europe,
 Africa and Asia and to expand our existing operations outside the United
 States.  International operations are subject to inherent risks, including:

      o         potentially weaker protection of intellectual property
                rights

      o         political instability

      o         unexpected changes in regulations and tariffs

      o         fluctuations in exchange rates

      o         varying tax consequences

      o         uncertain market acceptance and difficulties in marketing
                efforts due to language and cultural differences

 WE HAVE EXPERIENCED LOSSES AS A RESULT OF FRAUD

      We have experienced losses due to fraud.  In 1999, we experienced
 losses from fraud of approximately $25,000.  Callers have obtained our
 services without rendering payment by unlawfully using our access numbers
 and personal identification numbers.  Although we have implemented anti-
 fraud measures in order to control losses relating to these practices,
 these measures may not be sufficient to effectively limit all of our
 exposure in the future from fraud and we continue to experience losses from
 fraud.  While we have established reserves for bad debts in accordance with
 historical levels of uncollectible receivables resulting primarily from
 these fraudulent practices, our losses may exceed our reserves and could
 rise significantly above anticipated levels.

 INTENSE COMPETITION COULD REDUCE OUR MARKET SHARE AND HARM OUR FINANCIAL
 PERFORMANCE

      Competition in the market for each of enhanced IP communications
 services and carrier transmission services is becoming increasingly intense
 and is expected to increase significantly in the future.  The market for
 enhanced internet and IP communications is new and rapidly evolving.  We
 expect that competition from companies both in the Internet and
 telecommunications industries will increase in the future.  Our competitors
 include both start-up IP telephony service providers and established
 traditional communications providers.  Many of our existing competitors and
 potential competitors have broader portfolios of services, greater
 financial, management and operational resources, greater brand-name
 recognition, larger subscriber bases and more experience than we have. In
 addition, many of our IP telephony competitors use the Internet instead of
 a private network to transmit traffic.  Operating and capital costs of
 these providers may be less than ours, potentially giving them a
 competitive advantage over us in terms of pricing.

      We also compete in the growing market of discount telecommunications
 services including calling cards, prepaid cards, call-back services, dial-
 around or 10-10 calling and collect calling services.  In addition, some
 Internet service providers have begun to aggressively enhance their real
 time interactive communications, focusing initially on instant messaging,
 although we expect them to begin to provide PC-to-phone services.  For the
 carrier transmission services business, we compete with telecommunications
 providers, long distance carriers and other long distance resellers and
 providers of carrier services.  Competition for carrier traffic is
 primarily based on price. Decreasing telecommunications rates have resulted
 in intense price competition and we expect that competition will continue
 to increase significantly as telecommunications rates decrease.  Increased
 competition could force us to further reduce our prices and profit margins,
 and may reduce our market share.

      If we are unable to provide competitive service offerings, we may lose
 existing users and be unable to attract additional users.  In addition,
 many of our competitors, especially traditional carriers, enjoy economies
 of scale that result in a lower cost structure for transmission and related
 costs, which cause significant pricing pressures within the industry.
 Although the minutes of use we sell are increasing, revenues are not
 increasing at the same rate due primarily to a decrease in revenue per
 minute for our carrier transmission services.  In order to remain
 competitive we intend to increase our efforts to promote our services, and
 we cannot be sure that we will be successful in doing this.

      In addition to these competitive factors, recent and pending
 deregulation in some of our markets may encourage new entrants.  We cannot
 assure you that additional competitors will not enter markets that we plan
 to serve or that we will be able to compete effectively.

 DECREASING TELECOMMUNICATIONS RATES MAY DIMINISH OR ELIMINATE OUR
 COMPETITIVE PRICING ADVANTAGE

      Decreasing telecommunications rates may diminish or eliminate the
 competitive pricing advantage of our enhanced IP communications services
 and carrier transmission services.  International and domestic
 telecommunications rates have decreased significantly over the last few
 years in most of the markets in which we operate, and we anticipate that
 rates will continue to be reduced in all of the markets in which we do
 business or expect to do business.  Users who select our enhanced IP
 communications services to take advantage of the current pricing
 differential between traditional telecommunications rates and our rates may
 switch to traditional telecommunications carriers as such pricing
 differentials diminish or disappear, and we will be unable to use such
 pricing differentials to attract new customers in the future.  In addition,
 our ability to market our carrier transmission services to
 telecommunications carriers depends upon the existence of spreads between
 the rates offered by us and the rates offered by traditional
 telecommunications carriers, as well as a spread between the retail and
 wholesale rates charged by the carriers from which we obtain wholesale
 service.  Continued rate decreases will require us to lower our rates to
 remain competitive and will reduce or possibly eliminate our gross profit
 from our carrier transmission services.  If telecommunications rates
 continue to decline, we may lose users for our enhanced IP communications
 services and carrier transmission services.

 GOVERNMENT REGULATION AND LEGAL UNCERTAINTIES RELATING TO IP TELEPHONY
 COULD HARM OUR BUSINESS

      Traditionally, voice communications services have been provided by
 regulated telecommunications common carriers.  We offer voice
 communications to the public for international and domestic calls using IP
 telephony, and we do not operate as a licensed telecommunications common
 carrier in any jurisdiction.  Based on specific regulatory classifications
 and recent regulatory decisions, we believe we qualify for certain
 exemptions from telecommunications common carrier regulation in many of our
 markets.  However, the growth of IP telephony has led to close examination
 of its regulatory treatment in many jurisdictions making the legal status
 of our services uncertain and subject to change as a result of future
 regulatory action, judicial decisions or legislation in any of the
 jurisdictions in which we operate.  Established regulated
 telecommunications carriers have sought and may continue to seek regulatory
 actions to restrict the ability of companies such as ours to provide
 services or to increase the cost of providing such services.  In addition,
 our services may be subject to regulation if regulators distinguish phone-
 to- phone telephony service using IP technologies over privately-managed
 networks such as our services from integrated PC-to-PC and PC-originated
 voice services over the Internet.  Some regulators may decide to treat the
 former as regulated common carrier services and the latter as unregulated
 enhanced or information services.

      Application of new regulatory restrictions or requirements to us could
 increase our costs of doing business and prevent us from delivering our
 services by our current arrangements.  In such event, we would consider a
 variety of alternative arrangements for providing our services, including
 obtaining appropriate regulatory authorizations for our local network
 partners or ourselves, changing our service arrangements with RSL COM for a
 particular country or limiting our service offerings.  Such regulations
 could limit our service offerings, raise our costs and restrict our pricing
 flexibility, and potentially limit our ability to compete effectively.
 Further, regulations and laws which affect the growth of the Internet could
 hinder our ability to provide our services over the Internet. For a more
 detailed discussion of the regulation of IP telephony, see
 "BusinessuRegulation of IP Telephony."

 WE MAY NOT BE ABLE TO KEEP PACE WITH RAPID TECHNOLOGICAL CHANGES IN THE
 COMMUNICATIONS INDUSTRY

      Our industry is subject to rapid technological change.  We cannot
 predict the effect of technological changes on our business.  In addition,
 widely accepted standards have not yet developed for the technologies we
 use.  We expect that new services and technologies will emerge in the
 market in which we compete.  These new services and technologies may be
 superior to the services and technologies that we use, or these new
 services may render our services and technologies obsolete.

      To be successful, we must adapt to our rapidly changing market by
 continually improving and expanding the scope of services we offer and by
 developing new services and technologies to meet customer needs.  Our
 success will depend, in part, on our ability to license leading
 technologies and respond to technological advances and emerging industry
 standards on a cost-effective and timely basis.  We will need to spend
 significant amounts of capital to enhance and expand our services to keep
 pace with changing technologies.

 RISKS RELATED TO OUR RELATIONSHIP WITH RSL COM

 WE DEPEND ON SALES TO RSL COM

      We currently depend on sales to RSL COM, our controlling stockholder,
 for a substantial majority of our revenues.  RSL COM accounted for 37.6%,
 69.1% and 67.2% of our revenues for the years ended December 31, 1997,
 December 31, 1998 and December 31, 1999, respectively.  RSL COM is not
 contractually required to purchase services from us, other than a minimum
 of 50 million minutes per year pursuant to the services agreement for two
 years through November 29, 2001.  We cannot assure you that RSL COM will
 fulfill its obligations under this agreement or that the contract will be
 renewed upon its expiration.  RSL COM resells a significant portion of the
 carrier transmission services it purchases from us to third parties.
 Although we could market our services directly to these third parties if
 RSL COM ceased purchasing services from us, we cannot assure you that we
 would succeed in attracting these customers or that these customers would
 purchase our services in the same volume or on the same terms as from RSL
 COM.

 WE DEPEND ON THE SERVICES RSL COM PROVIDES TO US

      We are currently dependent upon RSL COM for leased line capacity, data
 communications facilities, traffic termination services and physical space
 for our equipment.  Through our relationship with RSL COM, which owns or
 leases substantial bandwidth for its own business, we have access to
 bandwidth.  We are able to take advantage of RSL COM's volume discounts and
 achieve cost efficiencies that we could not achieve on our own. Although we
 have entered into a services agreement with RSL COM for it to provide these
 services through 2004, if RSL COM becomes unwilling or unable to provide
 its current level of services to us during the term of such agreement or
 thereafter, we may not be able to find replacement service providers on a
 timely basis.  If we are required to change providers, we would likely
 experience delays, operational difficulties and increased expenses, and our
 ability to provide services to our users or expand our operations may be
 impaired.

      The inter-company agreements with RSL COM were made in the context of
 a parent-subsidiary relationship and were not negotiated on an arms' length
 basis.  As a result, the terms of such agreement may be better or worse
 than the terms that would have been negotiated by unaffiliated third
 parties for similar arrangements.

 RSL COM WILL CONTROL ALL MATTERS SUBMITTED TO A STOCKHOLDER VOTE

      After completion of our initial public offering, RSL COM owns all of
 our Class B common stock and will therefore own approximately 95.5% of the
 voting power of our company.

      As long as RSL COM continues to beneficially own shares of capital
 stock representing more than 50% of the voting power of our outstanding
 capital stock, RSL COM will be able to exercise a controlling influence
 over decisions affecting our company, including:

      o    composition of our board of directors and, through it, the
           direction and policies of our company, including the appointment
           and removal of officers

      o    mergers or other business combinations involving our company

      o    acquisitions or dispositions of assets by our company

      o    future issuances of capital stock or other securities by our
           company

      o    incurrence of debt by our company

      o    amendments, waivers and modifications to any agreements between
           us and RSL COM

      o    payment of dividends on our capital stock

      o    approval of our business plans and general business development

 In addition, five of our nine directors are officers and/or directors of RSL
 COM, or otherwise affiliated with RSL COM.  As a result, the ability of any
 of our other stockholders to influence the management of our company is
 limited, which could have an adverse effect on the market price of our
 stock.

 WE ARE SUBJECT TO THE COVENANTS OF RSL COM'S INDENTURES WHICH RESTRICT OUR
 ABILITY TO CONDUCT OUR BUSINESS

      Although we are neither the debtor nor the guarantor under any of the
 indentures that govern a substantial amount of RSL COM's debt, we are
 subject to covenants by reason of our status as a restricted subsidiary of
 RSL COM under such indentures.  As of March 1, 2000, RSL COM had
 approximately $1.4 billion of debt outstanding under these indentures.
 This debt is unsecured.  These restrictions significantly limit the ability
 of RSL COM and its restricted subsidiaries, including our company, to incur
 additional indebtedness or create liens on their assets. The limitations on
 indebtedness under the indentures generally are based on the application of
 tests derived from RSL COM's consolidated financial statements.
 Effectively, our ability to incur indebtedness is limited by the amount of
 indebtedness that RSL COM and its restricted subsidiaries, including our
 company, are permitted to incur under the indentures.  The limitations
 under RSL COM's restrictive indenture covenants currently prohibit us from
 incurring any significant amount of additional debt.  We have also agreed
 with RSL COM not to take any action which would cause RSL COM to default
 under its indentures and not to incur any debt, other than inter-company
 debt, without its written consent so long as we are a restricted subsidiary
 of RSL COM.  In addition, currently the restrictions under the RSL COM
 indentures effectively prohibit us from paying dividends and limit our
 ability to make other distributions in respect of our capital stock, sell
 assets, engage in mergers or acquisitions or make some types of
 investments.  Such restrictions also limit the ability of a third party to
 acquire a controlling interest in our company.  These restrictions may
 prohibit transactions that would otherwise be beneficial to our company.

 THE INTERESTS OF RSL COM MAY CONFLICT WITH OUR INTERESTS

      The interests of RSL COM, our controlling stockholder and principal
 customer, may conflict with our interests.

      Services.  We have entered into a services agreement with RSL COM for
 the provision of traffic termination services, colocation rights and other
 network support services.  We provide carrier transmission services to RSL
 COM.  Because of these transactions and RSL COM's controlling position in
 our company, conflicts of interest could arise relating to the nature,
 quality and pricing of services or products provided by us to RSL COM or by
 RSL COM to us.

      Financial Support.  Historically, RSL COM has funded our working
 capital and operating losses.  As a result, we owe RSL COM $14.8 million,
 as of December 31, 1999.  Also, to the extent that we require additional
 working capital we may need to turn to RSL COM.  Because of RSL COM's
 control over us, conflicts of interest could arise relating to the
 prepayment of borrowings, the provision of additional funding and the terms
 of such funding and general issues relating to the uses and sources of our
 funds.

      Board Conflicts.  Five of our nine directors are officers and/or
 directors of RSL COM, or otherwise affiliated with RSL COM.  Our directors
 who are also directors or officers of RSL COM will have fiduciary duties,
 including duties of loyalty, to both companies and may have conflicts of
 interest with respect to matters potentially involving or affecting us,
 such as acquisitions, financings or other corporate opportunities that may
 be suitable for both us and RSL COM.  Some of these individuals and a
 number of our executive officers own substantial amounts of RSL COM capital
 stock and/or options for shares of RSL COM capital stock.  Although we
 believe that these directors and officers will be able to fulfill their
 fiduciary duties to our stockholders despite their positions with RSL COM
 and their ownership of RSL COM capital stock and options, there could be
 potential conflicts of interest when these directors and officers are faced
 with decisions that could have different implications for our company and
 RSL COM.  There are no specific policies in place with respect to any
 conflicts that may arise.  We expect conflicts to be resolved on a case-by-
 case basis, and in a manner consistent with applicable law.  For example,
 if a business opportunity were presented to both us and RSL COM for
 consideration, directors affiliated with RSL COM would not participate in
 our consideration of that opportunity.  However, conflicts could be
 resolved in a manner adverse to us which could harm our business.

 RSL COM MAY COMPETE WITH OUR COMPANY

      RSL COM is in the communications business and may compete with us
 under some circumstances.  Under the services agreement between us and RSL
 COM, RSL COM is prohibited from competing with us in providing Internet
 telephony services as described in the services agreement, provided that we
 provide RSL COM with any requested Internet telephony services promptly and
 with quality assurance.  However, this non-competition provision terminates
 on September 3, 2001 and the scope of such provision is subject to the
 following limitations:

      o    RSL COM and its subsidiaries may acquire up to 20% in an entity
           providing Internet telephony services

      o    RSL COM and its subsidiaries may be stockholders in entities
           providing Internet telephony services,

      o    the non-competition provision does not apply to RSL COM's
           subsidiaries that become publicly traded companies

      o    Internet telephony services under the non-competition provision
           are limited to (1) phone to phone services marketed as IP to the
           general public, including both individuals and businesses and (2)
           the following Web-based enhanced communication services: PC-to-
           phone, D3 box, Click IT, Global Roaming, IP-initiated conference
           calls, Phone-to-PC, D3 Fax, information services and white
           boarding

 RSL COM'S CLASS B COMMON STOCK MAY BE TRANSFERRED TO A THIRD PARTY THAT
 WOULD EFFECTIVELY CONTROL US

      Although our Class B common stock generally converts to common stock
 automatically upon transfer, RSL COM may transfer our Class B common stock
 to permitted transferees, including entities controlled by RSL COM or its
 principal stockholder, Ronald S. Lauder, and successors in interest of RSL
 COM.  As a result, a third party could acquire our Class B common stock and
 may become party to our intercompany agreements.  We cannot assume that a
 third party would maintain good relations with us or maintain or renew our
 agreements with RSL COM.

 RISKS RELATED TO OUR STOCK

 A THIRD PARTY MAY BE DETERRED FROM ACQUIRING OUR COMPANY

      The disproportionate voting rights of our Class B common stock
 relative to our common stock could delay, deter or prevent a third party
 from attempting to acquire control of us.  This provision may have the
 effect of discouraging a third party from making a tender offer or
 otherwise attempting to obtain control of our company, even though such a
 change in ownership would be economically beneficial to our company and our
 stockholders.

 VOLATILITY OF OUR STOCK PRICE COULD ADVERSELY AFFECT OUR STOCKHOLDERS

      Since trading commenced in November 1999, the market price of our
 common stock has been highly volatile and may continue to be volatile and
 could be subject to wide fluctuations in response to factors such as:

      o    variations in our actual or anticipated quarterly operating
           results or those of our competitors

      o    announcements by us or our competitors of technological
           innovations

      o    introduction of new products or services by us or our competitors

      o    changes in financial estimates by securities analysts

      o    conditions or trends in the Internet industry

      o    changes in the market valuations of other Internet companies

      o    announcements by us or our competitors of significant
           acquisitions

      o    our entry into strategic partnerships or joint ventures

      o    sales of our capital stock by RSL COM

 All of these factors are, in whole or part, beyond our control and may
 materially adversely affect the market price of our common stock regardless
 of our performance.

      Investors may not be able to resell their shares of our common stock
 following periods of volatility because of the market's adverse reaction to
 such volatility.  In addition, the stock market in general, and the market
 for Internet-related and technology companies in particular, has been
 highly volatile.  The trading prices of many Internet-related and
 technology companies' stocks have reached historical highs within the last
 52 weeks and have reflected relative valuations substantially above
 historical levels.  During the same period, such companies' stocks have
 also been highly volatile and have recorded lows well below such historical
 highs.  We cannot assure you that our stock will trade at the same levels
 of other Internet stocks or that Internet stocks in general will sustain
 their current market prices.

 WE DO NOT INTEND TO PAY DIVIDENDS

      We have never declared or paid any cash dividends on our common stock.
 We intend to retain any future earnings to finance our operations and to
 expand our business and, therefore, do not expect to pay any cash dividends
 in the foreseeable future.  In addition, indentures governing outstanding
 indebtedness of RSL COM restrict our ability to declare or pay cash
 dividends, and, for the foreseeable future, effectively prohibit such
 payments or declarations.

             SPECIAL NOTE REGARDING FORWARD-LOOKING STATEMENTS

      This prospectus contains forward-looking statements within the meaning
 of Section 27A of the Securities Act and Section 21E of the Exchange Act.
 Forward-looking statements include, but are not limited to, statements
 about our plans, objectives, expectations, intentions and assumptions and
 other statements that are not historical facts.  When used in this
 prospectus, the words "expect," "anticipate," "intend," "plan," "believe,"
 "seek," "estimate" and similar expressions are generally intended to
 identify forward-looking statements.  Because these forward-looking
 statements involve risks and uncertainties, actual results may differ
 materially from those expressed or implied by these forward-looking
 statements.  We do not intend to update or revise any forward-looking
 statements, whether as a result of new information, future events or
 otherwise.

                          REGISTERED STOCKHOLDERS

      Of the 5,228,736 shares of common stock being registered, 1,662,845
 shares are being registered for reoffers and resales by our officers and
 directors, who acquired the shares of common stock pursuant to our
 "employee benefit plans" as that term is defined in Rule 405 of Regulation
 C under the Securities Act. The registered stockholders may resell all, a
 portion or none of such shares of common stock from time to time, subject
 to limitations in certain circumstances. The following table sets forth
 those persons eligible to resell and the amounts of securities availabe to
 be resold, whether or not these persons have a present intention to do so.

<TABLE>
<CAPTION>

                                                                   No. of Shares     No. of Shares
                                                No. of Shares        Available         Owned After
      Name               Title                    Owned(1)          for Resale(1)         Sale
      ----               -----                  -------------       --------------    --------------

<S>                  <C>                        <C>                     <C>             <C>
 Elie C. Wurtman     Co-founder, Co-chairman          --                  165,656             --*
                     of the company and
                     chairman of the board
                     of directors

 Amos Sela           Former chief executive          5,000                273,332             --*
                     officer, president and
                     director

 Jacob A. Davidson   Co-founder and co-chairman       --                  115,959             --*
                     of the company

 Noam Bardin         Co-founder, interim chief     253,483                422,421             --*
                     executive officer, presi-
                     dent,vice president
                     of technology and chief
                     technology officer

 Mark J. Hirschhorn  Vice president and chief       10,000                173,938             --*
                     financial officer

 Shimmy Zimels       Vice president of operations   89,469                260,907             --*

 Marc M. Tobin       General counsel                 9,782                 51,848             --*

 Avery S. Fischer    Director                        7,000                 24,848             --*

 Itzhak Fisher       Director                        1,000                 24,848             --*

 Robert R. Grusky    Director                        2,000                 24,848             --*

 Yadin Kaufmann      Director                         --                   24,848             --*

 Jacob Z. Schuster   Director                       10,000                 24,848             --*

 Donald R. Shassian  Director                        5,000                 24,848             --*

 Nir Tarlovsky       Director                       10,000                 24,848             --*

 Oakleigh Thorne     Director                          450                 24,298             --*

 *    Represents ownership of less than one percent.

 (1)  Includes shares of our common stock issued or issuable to the
 Registered Stockholders under the deltathree.com, Inc. 1999 Stock Incentive
 Plan, 1999 Performance Incentive Plan, 1999 Employee Stock Purchase Plan or
 1999 Directors' Plan, whether or not exercisable as of, or within sixty
 days of, the date of this Prospectus.


                            PLAN OF DISTRIBUTION

      Each registered stockholder may sell his or her shares of common stock
 for value from time to time under this prospectus in one or more
 transactions on Nasdaq, in negotiated transactions or in a combination of
 such methods of sale, at market prices prevailing at the time of sale, at
 prices related to such prevailing market prices or at prices otherwise
 negotiated. The registered stockholders may effect such transactions by
 selling the shares of common stock to or through broker-dealers, and such
 broker-dealers may receive compensation in the form of underwriting
 discounts, concessions or commissions from the registered stockholders
 and/or the purchasers of the shares of common stock for whom such broker-
 dealers may act as agent (which compensation may be less than or in excess
 of customary commissions).

      Each registered stockholder and any broker-dealer that participates in
 the distribution of the shares of common stock may be deemed to be an
 "underwriter" within the meaning of Section 2(11) of the Securities Act,
 and any commissions received by them and any profit on the resale of the
 shares sold by them may be deemed to be underwriting discounts and
 commissions under the Securities Act. All selling and other expenses
 incurred by the registered stockholders will be borne by the registered
 stockholders.  We will pay all other expenses in connection with this
 offering and will not receive any proceeds from sales of any shares of
 common stock by the registered stockholders.

      In addition to any shares of common stock sold hereunder, the
 registered stockholders may sell shares of common stock in compliance with
 all of the requirements of Rule 144. Notwithstanding the foregoing, the
 amount of securities to be reoffered or resold by means of this prospectus,
 by each person, may not exceed, during any three-month period, the amount
 specified in Rule 144(e).  There is no assurance that the registered
 stockholders will sell all or any portion of the shares of common stock
 offered hereby.


                               LEGAL MATTERS

      The validity of the shares of common stock offered hereby will be
 passed upon for deltathree.com by Skadden, Arps, Slate, Meagher & Flom LLP.


                                  EXPERTS

           The consolidated financial statements of deltathree.com, Inc. as
 of and for the years ended December 31, 1997, 1998 and 1999 and for the
 period from June 1996 (inception) through December 31, 1996 incorporated by
 reference into this prospectus have been audited by Brightman Almagor &
 Co., a member firm of Deloitte Touche Tohmatsu, independent certified
 public accountants, as indicated in their report with respect thereto, and
 are incorporated by reference herein in reliance upon the authority of said
 firm as experts in accounting and auditing in giving such reports.





                                  PART II

             INFORMATION REQUIRED IN THE REGISTRATION STATEMENT

 ITEM 3.   INCORPORATION OF CERTAIN DOCUMENTS BY REFERENCE.

      The following documents filed with the Securities and Exchange
 Commission (the "Commission") by the registrant, deltathree.com, Inc., a
 Delaware corporation ("deltathree.com"), are incorporated by reference in
 this registration statement:

      (1)  deltathree.com's registration statement (Registration No. 333-
 86503) on Form S-1 filed with the Commission on September 3, 1999, as
 amended, and deltathree.com's prospectus filed with the Commission under
 Rule 424(b) under the Securities Act, filed with the Commission on November
 23, 1999.

      (2)  The description of deltathree.com's outstanding common stock
 contained in deltathree.com's registration statement on Form 8-A filed with
 the Commission on November 23, 1999 under Section 12 of the Exchange Act.

      (3)  deltathree.com's annual report on Form 10-K for the year ended
 December 31, 1999, as filed with the Commission on March 29, 2000.

      All documents subsequently filed by deltathree.com pursuant to
 Sections 13(a), 13(c), 14 and 15(d) of the Securities Exchange Act of
 1934, as amended (the "Exchange Act"), prior to the filing of a
 post-effective amendment which indicates that all securities offered have
 been sold or which deregisters all securities then remaining unsold, shall
 be deemed to be incorporated by reference herein and to be a part hereof
 from the date of filing of such documents. Any statement contained in a
 document incorporated or deemed to be incorporated by reference herein
 shall be deemed to be modified or superseded for purposes of this
 registration statement to the extent that a statement contained herein or
 in any other subsequently filed document which also is incorporated or
 deemed to be incorporated by reference herein modifies or supersedes such
 statement. Any such statement so modified or superseded shall not be
 deemed, except as so modified or superseded, to constitute a part of this
 registration statement.

 ITEM 6.   INDEMNIFICATION OF DIRECTORS AND OFFICERS.

      Section 102 of the Delaware General Corporation Law ("DGCL"), as
 amended, allows a corporation to eliminate the personal liability of
 directors of a corporation to the corporation or its stockholders for
 monetary damages for a breach of fiduciary duty as a director, except
 where the director breached his duty of loyalty, failed to act in good
 faith, engaged in intentional misconduct or knowingly violated a law,
 authorized the payment of a dividend or approved a stock repurchase in
 violation of Delaware corporate law or obtained an improper personal
 benefit.

      Section 145 of the DGCL provides, among other things, that
 deltathree.com may indemnify any person who was or is a party or is
 threatened to be made a party to any threatened, pending or completed
 action, suit or proceeding (other than an action by or in the right of
 deltathree.com) by reason of the fact that the person is or was a
 director, officer, agent or employee of deltathree.com or is or was
 serving at deltathree.com's request as a director, officer, agent or
 employee of another corporation, partnership, joint venture, trust or
 other enterprise, against expenses, including attorneys' fees, judgment,
 fines and amounts paid in settlement actually and reasonably incurred by
 the person in connection with such action, suit or proceeding. The power
 to indemnify applies (a) if such person is successful on the merits or
 otherwise in defense of any action, suit or proceeding, or (b) if such
 person acted in good faith and in a manner he reasonably believed to be in
 the best interest, or not opposed to the best interest, of deltathree.com,
 and with respect to any criminal action or proceeding, had no reasonable
 cause to believe his conduct was unlawful. The power to indemnify applies
 to actions brought by or in the right of deltathree.com as well but only
 to the extent of defense expenses (including attorneys' fees but excluding
 amounts paid in settlement) actually and reasonably incurred and not to
 any satisfaction of judgement or settlement of the claim itself, and with
 the further limitation that in such actions no indemnification shall be
 made in the event of any adjudication of negligence or misconduct in the
 performance of his duties to deltathree.com, unless the court believes
 that in light of all the circumstances indemnification should apply.

      Section 174 of the DGCL provides, among other things, that a
 director, who willfully or negligently approves of an unlawful payment of
 dividends or an unlawful stock purchase or redemption, may be held liable
 for such actions. A director who was either absent when the unlawful
 actions were approved or dissented at the time, may avoid liability by
 causing his or her dissent to such actions be entered in the books
 containing the minutes of the meetings of the board of directors at the
 time such action occurred or immediately after such absent director
 receives notice of the unlawful acts.

      deltathree.com's Amended and Restated Certificate of Incorporation
 includes a provision that eliminates the personal liability of its
 directors for monetary damages for breach of fiduciary duty as a director,
 except for liability:

      o    for any breach of the director's duty of loyalty to
           deltathree.com, Inc. or its stockholders;

      o    for acts or omissions not in good faith or that involve
           intentional misconduct or a knowing violation of law;

      o    under section 174 of the DGCL regarding unlawful dividends and
           stock purchases; or


 for any transaction from which the director derived an improper personal
 benefit.

      These provisions are permitted under Delaware law.

      deltathree.com's Amended and Restated By-laws provide that:

      o    it must indemnify its directors and officers to the fullest
           extent permitted by Delaware law;

      o    it may indemnify its other employees and agents to the same
           extent that it indemnified its officers and directors, unless
           otherwise determined by its Board of Directors; and

      o    it must advance expenses, as incurred, to its directors and
           executive officers in connection with a legal proceeding to the
           fullest extent permitted by Delaware law.

      The indemnification provisions contained in deltathree.com's Amended
and Restated Certificate of Incorporation and Amended and Restated By-laws
are not exclusive of any other rights to which a person may be entitled by
law, agreement, vote of stockholders or disinterested directors or
otherwise. In addition, deltathree.com maintains insurance on behalf of its
directors and executive directors or officers insuring them against any
liability asserted against them in their capacities as directors or
officers or arising out of such status.

 ITEM 8.   EXHIBITS.

      A list of exhibits is set forth on the Exhibit Index which
 immediately precedes the exhibits and which is incorporated by reference
 herein. The undersigned registrant hereby undertakes that it will submit
 the Plans and any amendments thereto to the Internal Revenue Service (the
 "IRS") in a timely manner and will make all changes required by the IRS in
 order to qualify such Plans.

 ITEM 9.   UNDERTAKINGS.

      The undersigned registrant hereby undertakes:

           (b)  To file, during any period in which offers or sales are
 being made, a post-effective amendment to this registration statement:

                (1)  To include any prospectus required by Section 10(a)(3)
 of the Securities Act;

                (2)  To reflect in the prospectus any facts or events
 arising after the effective date of the registration statement (or the most
 recent post-effective amendment thereof) which, individually or in the
 aggregate, represent a fundamental change in the information set forth in
 the registration statement; and

                (3)  To include any material information with respect to the
 plan of distribution not previously disclosed in the registration statement
 or any material change to such information in the registration statement;

 provided, however, that paragraphs (a)(1) and (a)(2) do not apply if the
 information required to be included in a post-effective amendment by those
 paragraphs is contained in periodic reports filed with or furnished to the
 Commission by deltathree.com pursuant to Section 13 or 15(d) of the
 Exchange Act that are incorporated by reference in the registration
 statement.

           (c)  That, for the purpose of determining any liability under the
 Securities Act, each such post-effective amendment shall be deemed to be a
 new registration statement relating to the securities offered therein, and
 the offering of such securities at that time shall be deemed to be the
 initial bona fide offering thereof.

           (d)  To remove from registration by means of a post-effective
 amendment any of the securities being registered which remain unsold at the
 termination of the offering.

           (e)  That, for purposes of determining any liability under the
 Securities Act, each filing of the registrant's annual report pursuant to
 Section 13(a) or Section 15(d) of the Exchange Act (and, where applicable,
 each filing of an employee benefit plan's annual report pursuant to Section
 15(d) of the Exchange Act) that is incorporated by reference in the
 registration statement shall be deemed to be a new registration statement
 relating to the securities offered therein, and the offering of such
 securities at that time shall be deemed to be the initial bona fide
 offering thereof.

           (f)  Insofar as indemnification for liabilities arising under the
 Securities Act may be permitted to directors, officers and controlling
 persons of the registrant pursuant to the foregoing provisions, or
 otherwise, the registrant has been advised that in the opinion of the
 Commission such indemnification is against public policy as expressed in
 the Securities Act and is, therefore, unenforceable. In the event that a
 claim for indemnification against such liabilities (other than the payment
 by the registrant of expenses incurred or paid by a director, officer or
 controlling person of the registrant in the successful defense of any
 action, suit or proceeding) is asserted by such director, officer or
 controlling person in connection with the securities being registered, the
 registrant will, unless in the opinion of its counsel the matter has been
 settled by controlling precedent, submit to a court of appropriate
 jurisdiction the question whether such indemnification by it is against
 public policy as expressed in the Securities Act and will be governed by
 the final adjudication of such issue.


                                 SIGNATURES

      The Registrant.  Pursuant to the requirements of the Securities Act of
 1933, the registrant certifies that is has reasonable grounds to believe
 that it meets all of the requirements for filing on Form S-8 and has duly
 caused this registration statement to be signed on its behalf by the
 undersigned, thereunto duly authorized in the City of New York, State of
 New York, on this 31st day of March, 2000.

                                     DELTATHREE.COM, INC.
                                     (Registrant)


                                     By: /s/ MARK J. HIRSCHHORN
                                         ------------------------------
                                         Mark J. Hirschhorn
                                         Chief financial officer


                             POWER OF ATTORNEY


      KNOW ALL PERSONS BY THESE PRESENTS, that each person whose signature
 appears below constitutes and appoints Mark J. Hirschhorn his true and
 lawful attorney-in-fact and agent with full power of substitution and
 resubstitution, for him and in his name, place and stead, in any and all
 capacities, to sign any and all amendments to this registration statement,
 and to file the same, with all exhibits thereto, and other documents in
 connection therewith, with the Securities and Exchange Commission,
 granting unto said attorney-in-fact and agent full power and authority to
 do and perform each and every act and thing requisite or necessary to be
 done in and about the premises, as fully to all intents and purposes as he
 might or could do in person, hereby ratifying and confirming all that said
 attorney-in-fact and agent, or his substitute or substitutes, may lawfully
 do or cause to be done by virtue hereof. This power of attorney may be
 executed in counterparts.

      Pursuant to the requirements of the Securities Act of 1933, this
 registration statement has been signed by the following persons in the
 capacities indicated on this 31st day of March, 2000.

       NAME                     TITLE                       DATE
       ----                     -----                       -----


 /s/ Noam Bardin          Interim chief executive          March 31, 2000
 ----------------------   officer and president
     Noam Bardin          (Principal executive officer)


 /s/ MARK J. HIRSCHHORN   Chief financial officer          March 31, 2000
 -----------------------  (Principal financial officer
     Mark J. Hirschhorn   and accounting officer)


 /s/ ELIE C. WURTMAN      Co-Chairman of the Company       March 31, 2000
 ----------------------   and Chairman of the Board of
     Elie C. Wurtman      Directors


 /s/ JACOB A. DAVIDSON    Co-chairman of the board         March 31, 2000
 ----------------------
     Jacob A. Davidson


 /s/ ITZHAK FISHER        Director                         March 31, 2000
 ----------------------
    Itzhak Fisher


 /s/ NIR TARLOVSKY        Director                         March 31, 2000
 ----------------------
     Nir Tarkovsky


 /s/ DONALD R. SHASSIAN   Director                         March 31, 2000
 -----------------------
     Donald R. Shassian


 /s/ JACOB Z. SCHUSTER    Director                         March 31, 2000
 -----------------------
     Jacob Z. Schuster


 /s/ AVERY S. FISCHER     Director                         March 31, 2000
 -----------------------
     Avery S. Fischer


 /s/ ROBERT R. GRUSKY     Director                         March 31, 2000
 -----------------------
     Robert R. Grusky


 /s/ YADIN KAUFMANN       Director                         March 31, 2000
 -----------------------
     Yadin Kaufmann


 /s/ OAKLIEGH THORNE      Director                         March 31, 2000
 -----------------------
     Oakliegh Thorne



                               EXHIBIT INDEX


 Exhibit No.    Description of Exhibit
 -----------    ----------------------

4.1             Form of certificate representing shares of common stock
                (incorporated by reference to the Company's Registration
                Statement on Form S-1 (Exhibit 4.1 to Registration No.
                333-86503)).

5.1             Opinion of Skadden, Arps, Slate, Meagher & Flom LLP.

23.1            Consent of Brightman Almagor & Co.

23.2            Consent of Skadden, Arps, Slate, Meagher & Flom LLP
                (included in Exhibit 5.1).

24.1            Power of Attorney (included on the signature page hereto).

99.1            deltathree.com, Inc. 1999 Stock Incentive Plan
                (incorporated by reference to the Company's Registration
                Statement on Form S-1 (Exhibit 10.3 to Registration No.
                333-86503)).

99.2            deltathree.com, Inc. 1999 Employee Stock Purchase Plan
                (incorporated by reference to the Company's Registration
                Statement on Form S-1 (Exhibit 10.4 to Registration No.
                333-86503)).

99.3            deltathree.com, Inc. 1999 Performance Incentive Plan
                (incorporated by reference to the Company's Registration
                Statement on Form S-1 (Exhibit 10.5 to Registration No.
                333-86503)).

99.4            deltathree.com, Inc. 1999 Directors' Plan (incorporated by
                reference to the Company's Registration Statement on Form
                S-1 (Exhibit 10.6 to Registration No. 333-86503)).





</TABLE>


                                                              EXHIBIT 5.1

           [Letterhead of Skadden, Arps, Slate, Meagher & Flom LLP]



                                       April 6, 2000



  deltathree.com, Inc.
  430 Park Avenue, Suite 500
  New York, New York  10022

                 Re:  Registration Statement on Form S-8 of
                      deltathree.com, Inc.

  Ladies and Gentlemen:

            We have acted as special counsel to deltathree.com, Inc., a
  Delaware corporation (the "Company"), in connection with the proposed
  issuance by the Company of up to 5,228,736 shares (the "Shares") of Class
  A Common Stock, par value $0.001 per share (the "Common Stock"), pursuant
  to deltathree.com, Inc.'s 1999 Stock Incentive Plan, 1999 Performance
  Incentive Plan, 1999 Employee Stock Purchase Plan and 1999 Directors'
  Plan (collectively, the "Plans").

            This opinion is delivered in accordance with the requirements
  of Item 601(b)(5) of Regulation S-K under the Securities Act of 1933, as
  amended (the "Securities Act").

            In connection with this opinion, we have examined and are
  familiar with originals or copies, certified or otherwise identified to
  our satisfaction, of (i) the Company's Registration Statement on Form S-
  8, relating to the Shares, filed with the Securities and Exchange
  Commission (the "Commission") under the Securities Act on April 6,, 2000
  (together with all exhibits thereto, the "Registration Statement"), (ii)
  the Amended and Restated Certificate of Incorporation of the Company, as
  currently in effect, (iii) the Amended and Restated By-Laws of the
  Company, as currently in effect, (iv) specimen certificates representing
  the Common Stock, (v) resolutions of the Board of Directors of the
  Company relating to the Plans and the filing of the Registration
  Statement; (vi) the Plans; and (vii) the form of option agreement between
  the Company and the employees, directors and officers receiving options
  (the "Option Agreement"). We have also examined originals or copies,
  certified or otherwise identified to our satisfaction, of such records of
  the Company and such agreements, certificates of public officials,
  certificates of officers or other representatives of the Company and
  others, and such other documents, certificates and records as we have
  deemed necessary or appropriate as a basis for the opinions set forth
  herein.

            In our examination, we have assumed the legal capacity of all
  natural persons, the genuineness of all signatures, the authenticity of
  all documents submitted to us as originals, the conformity to original
  documents of all documents submitted to us as certified or photostatic
  copies and the authenticity of the originals of such latter documents.
  In making our examination of documents executed or to be executed by
  parties other than the Company, we have assumed that such parties had the
  power, corporate or other, to enter into and perform all obligations
  thereunder and have also assumed the due authorization by all requisite
  action, corporate or other, and execution and delivery by such parties of
  such documents and the validity and binding effect thereof.  We have
  further assumed that each of the Option Agreements to be entered into
  between the Company and the employees, directors and officers receiving
  options under the Plans will conform to the form of
  agreement examined by us.  As to any facts material to the opinions
  expressed herein which we have not independently established or verified,
  we have relied upon oral or written statements and representations of
  officers and other representatives of the Company and others.

            Members of our firm are admitted to the Bar in the State of New
  York, and we do not express any opinion as to the laws of any other
  jurisdiction other than the General Corporation Law of the State of
  Delaware.

            Based upon and subject to the foregoing, we are of the opinion
  that the Shares have been duly authorized and when the Shares have been
  issued, delivered and paid for upon exercise of options duly granted
  pursuant to the terms of the Plans and the Option Agreements, and
  certificates representing the Shares in the form of the specimen
  certificates examined by us have been manually signed by an authorized
  officer of the transfer agent and registrar for the Common Stock and
  registered by such transfer agent and registrar, such Shares will be
  validly issued, fully paid and nonassessable.

            We hereby consent to the filing of this opinion with the
  Commission as Exhibit 5.1 to the Registration Statement.  In giving such
  consent, we do not thereby admit that we are included in the category of
  persons whose consent is required under Section 7 of the Securities Act.

                                  Very truly yours,


                                  /s/ Skadden, Arps, Slate, Meagher & Flom LLP




                                                         EXHIBIT 23.1


                       Independent Auditors' Consent

 We consent to the use of our report dated January 26, 2000, included in
 the Company's Annual Report on Form 10-K for the year ended December 31,
 1999, which is incorporated by reference in this Registration Statement of
 deltathree.com, Inc. on Form S-8. We also consent to the reference to us
 under the heading "Experts" in the prospectus included in this Registration
 Statement.



 /s/ Brightman Almagor & Co.
 Brightman Almagor & Co.
 (A member firm of Deloitte Touche Tohmatsu)

 Tel Aviv, Israel
 March 31, 2000






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