CHESAPEAKE PARTNERS MANAGEMENT CO INC/MD
SC 13G/A, 1999-07-02
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                                  UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549



                                 SCHEDULE 13G/A

                    UNDER THE SECURITIES EXCHANGE ACT OF 1934


                               (AMENDMENT NO. 2)1


                            IPC COMMUNICATIONS, INC.

- --------------------------------------------------------------------------------
                                (NAME OF ISSUER)

                                  COMMON STOCK

- --------------------------------------------------------------------------------
                         (Title of Class of Securities)

                                    44980K206

- --------------------------------------------------------------------------------
                                 (CUSIP Number)

                                  JUNE 29, 1999

- --------------------------------------------------------------------------------
             (Date of Event Which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule
is filed:

         [ ]    Rule 13d-1(b)

         [X]    Rule 13d-1(c)

         [ ]    Rule 13d-1(d)



(1) The remainder of this cover page shall be filled out for a reporting
person's initial filing on this form with respect to the subject class of
securities, and for any subsequent amendment containing information which would
alter the disclosures provided in a prior cover page.

The information required in the remainder of this cover page shall not be deemed
to be "filed" for the purpose of Section 18 of the Securities Exchange Act of
1934 ("Act") or otherwise subject to the liabilities of that section of the Act
but shall be subject to all other provisions of the Act (however, see the
Notes).



<PAGE>   2




- -----------------------                               --------------------------
CUSIP No. 44980K206               13G/A                        Page 2 of 7 Pages
- -----------------------                               --------------------------

- --------------------------------------------------------------------------------
 1         NAME OF REPORTING PERSON
           I.R.S. IDENTIFICATION NO. OF ABOVE PERSON (ENTITIES ONLY)

           Chesapeake Partners Management Co., Inc                    52-1745745
- --------------------------------------------------------------------------------
 2         CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
                                                                      (a)[X]
                                                                      (b)[ ]
- --------------------------------------------------------------------------------
 3         SEC USE ONLY


- --------------------------------------------------------------------------------
 4         CITIZENSHIP OR PLACE OF ORGANIZATION

           Maryland
- --------------------------------------------------------------------------------
                            5        SOLE VOTING POWER

                                     -0-
                           -----------------------------------------------------
         NUMBER OF          6        SHARED VOTING POWER
          SHARES
       BENEFICIALLY                  535,300
       OWNED BY EACH       -----------------------------------------------------
         REPORTING          7        SOLE DISPOSITIVE POWER
        PERSON WITH
                                     -0-
                           -----------------------------------------------------
                            8        SHARED DISPOSITIVE POWER

                                     535,300
- --------------------------------------------------------------------------------
 9         AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

           535,300
- --------------------------------------------------------------------------------
10         CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*
           [ ]

- --------------------------------------------------------------------------------
11         PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

           6.63%
- --------------------------------------------------------------------------------
12         TYPE OF REPORTING PERSON*

           CO
- --------------------------------------------------------------------------------
                      *SEE INSTRUCTION BEFORE FILLING OUT!


<PAGE>   3




- -----------------------                               --------------------------
CUSIP No. 44980K206                13G/A                       Page 3 of 7 Pages
- -----------------------                               --------------------------

- --------------------------------------------------------------------------------
 1         NAME OF REPORTING PERSON
           I.R.S. IDENTIFICATION NO. OF ABOVE PERSON (ENTITIES ONLY)

           Chesapeake Partners Limited Partnership        54-1599401
- --------------------------------------------------------------------------------
 2         CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
                                                                   (a) [X]
                                                                   (b) [ ]
- --------------------------------------------------------------------------------
 3         SEC USE ONLY


- --------------------------------------------------------------------------------
 4         CITIZENSHIP OR PLACE OF ORGANIZATION

           Maryland
- --------------------------------------------------------------------------------
                            5        SOLE VOTING POWER

                                     -0-
         NUMBER OF         -----------------------------------------------------
          SHARES            6        SHARED VOTING POWER
       BENEFICIALLY
       OWNED BY EACH                 498,000
         REPORTING         -----------------------------------------------------
        PERSON WITH         7        SOLE DISPOSITIVE POWER

                                     -0-
                           -----------------------------------------------------
                            8        SHARED DISPOSITIVE POWER

                                     498,000
- --------------------------------------------------------------------------------
 9         AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

           498,000
- --------------------------------------------------------------------------------
10         CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*
           [ ]


- --------------------------------------------------------------------------------
11         PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

           6.17%
- --------------------------------------------------------------------------------
12         TYPE OF REPORTING PERSON*

           PN
- --------------------------------------------------------------------------------

                      *SEE INSTRUCTION BEFORE FILLING OUT!


<PAGE>   4




- -----------------------                               --------------------------
CUSIP No.   44980K206             13G/A                        Page 4 of 7 Pages
- -----------------------                               --------------------------


- --------------------------------------------------------------------------------
 1         NAME OF REPORTING PERSON
           I.R.S. IDENTIFICATION NO. OF ABOVE PERSON (ENTITIES ONLY)

           Chesapeake Partners Institutional Fund Limited Partnership 52-1782815
- --------------------------------------------------------------------------------
 2         CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
                                                                     (a)[X]
                                                                     (b)[ ]
- --------------------------------------------------------------------------------
 3         SEC USE ONLY


- --------------------------------------------------------------------------------
 4         CITIZENSHIP OR PLACE OF ORGANIZATION

           Maryland
- --------------------------------------------------------------------------------
                            5        SOLE VOTING POWER

                                     -0-
         NUMBER OF         -----------------------------------------------------
          SHARES            6        SHARED VOTING POWER
       BENEFICIALLY
       OWNED BY EACH                 18,300
         REPORTING         -----------------------------------------------------
        PERSON WITH         7        SOLE DISPOSITIVE POWER

                                     -0-
                           -----------------------------------------------------
                            8        SHARED DISPOSITIVE POWER

                                     18,300
- --------------------------------------------------------------------------------
 9         AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

           18,300
- --------------------------------------------------------------------------------
10         CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*
           [ ]

- --------------------------------------------------------------------------------
11         PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

           0.23%
- --------------------------------------------------------------------------------
12         TYPE OF REPORTING PERSON*

           PN
- --------------------------------------------------------------------------------
                      *SEE INSTRUCTION BEFORE FILLING OUT!


<PAGE>   5




- -----------------------                               --------------------------
CUSIP No.   44980K206             13G/A                        Page 5 of 7 Pages
- -----------------------                               --------------------------


<TABLE>
<CAPTION>

<S>         <C>
ITEM 1(a).   Name of Issuer:  IPC Communications, Inc.

ITEM 1(b).   Address of Issuer's Principal Executive Offices:

             Wall Street Plaza, 88 Pine Street, New York, NY  10005

ITEM 2(a).   Name of Person Filing: Chesapeake Partners Management Co., Inc. ("CPMC"),
                                    Chesapeake Partners Limited Partnership ("CPLP") and
                                    Chesapeake Partners Institutional Fund Limited
                                    Partnership ("CPIFLP")

ITEM 2(b).   Address of Principal Business Office, or, if none, Residence:

             1829 Reisterstown Road, Suite 220, Baltimore, MD  21208

ITEM 2(c).   Citizenship:  U.S.A.

ITEM 2(d).   Title of Class of Securities:  Common Stock

ITEM 2(e).   CUSIP Number:  44980K206

ITEM 3.      If this Statement is Filed Pursuant to Rule 13d-1(b), or 13d-2(b) or (c),
             Check Whether the Person Filing is a:

             (a) [ ] Broker or dealer registered under Section 15 of the
                     Exchange Act;

             (b) [ ] Bank as defined in Section 3(a)(6) of the Exchange Act;

             (c) [ ] Insurance company as defined in Section 3(a)(19) of the
                     Exchange Act;

             (d) [ ] Investment company registered under Section 8 of the
                     Investment Company Act;

             (e) [ ] An investment advisor in accordance with Rule
                     13d-1(b)(1)(ii)(E);

             (f) [ ] An employee benefit plan or endowment fund in accordance
                     with Rule 13d- 1(b)(1)(ii)(G);

             (g) [ ] A parent holding company or control person in accordance
                     with Rule 13d-1(b) (1)(ii)(G);

             (h) [ ] A savings association as defined in Section 3(b) of the
                     Federal Deposit Insurance Act;

             (i) [ ] A church plan that is excluded from the definition of an
                     investment company under Section 3(c)(14) of the
                     Investment Company Act;

             (j) [ ] Group, in accordance with Rule 13d-1(b)(1)(ii)(J).


             If this statement is filed pursuant to Rule 13d-1(c), check this
             box. [X]
</TABLE>




<PAGE>   6




- -----------------------                               --------------------------
CUSIP No.   44980K206             13G/A                        Page 6 of 7 Pages
- -----------------------                               --------------------------

ITEM 4.           Ownership:

                  (a)      Amount Beneficially Owned:

                           CPMC     -       535,300
                           CPLP     -       498,000
                           CPIFLP   -        18,300

                  (b)      Percent of Class:

                           CPMC     -       6.63%
                           CPLP     -       6.17%
                           CPIFLP   -       0.23%

                  (c)      Number of shares as to which such persons has:

                           (i)      sole power to vote or to direct the vote:

                                     -0- for all

                           (ii)     shared power to vote or to direct the vote:

                                    CPMC -   535,300
                                    CPLP -   498,000
                                    CPIFLP -  18,300

                           (iii)    sole power to dispose or to direct the
                                    disposition of:

                                    -0- for all

                           (iv)     shared power to dispose or to direct the
                                    disposition of:

                                    CPMC -   535,300
                                    CPLP -    498,000
                                    CPIFLP -  18,300

ITEM 5.    Ownership of five percent or less of a class:  N/A

ITEM 6.    Ownership of more than five percent on behalf of another person:  N/A

ITEM 7.    Identification and classification of the subsidiary which acquired
           the security being reported on by the parent holding company: N/A

ITEM 8.    Identification and classification of members of the group:  N/A

ITEM 9.    Notice of dissolution of group:  N/A

ITEM 10.   Certification:

           By signing below, I certify that, to the best of my knowledge and
belief, the securities referred to above were not acquired and are not held for
the purpose of or with the effect of changing or influencing the control of the
issuer of the securities and were not acquired and are not held in connection
with or as a participant in any transaction having that purpose or effect.



<PAGE>   7
- -----------------------                               --------------------------
CUSIP No.   44980K206             13G/A                        Page 7 of 7 Pages
- -----------------------                               --------------------------




           The filing of this statement shall not be construed as an admission
that the reporting person is, for purposes of Section 13(d) or 13(g) of the Act
or for any other purpose, the beneficial owner of all of the securities covered
by this statement.


                                    SIGNATURE

           After reasonable inquiry and to the best of my knowledge and belief,
I certify that the information set forth in this statement is true, complete and
correct.



Dated:  July 1, 1999                      CHESAPEAKE PARTNERS MANAGEMENT
                                          CO., INC.


                                          By:  /s/  Mark D. Lerner
                                             -----------------------------------
                                          Name:  Mark D. Lerner
                                          Title: Vice President




                                         CHESAPEAKE PARTNERS LIMITED PARTNERSHIP

                                         By: CHESAPEAKE PARTNERS MANAGEMENT
                                             CO., INC.


                                         By:  /s/  Mark D. Lerner
                                            -----------------------------------
                                         Name:  Mark D. Lerner
                                         Title: Vice President





                                         CHESAPEAKE PARTNERS INSTITUTIONAL FUND
                                         LIMITED PARTNERSHIP

                                         By: CHESAPEAKE PARTNERS MANAGEMENT
                                             CO., INC.


                                         By:  /s/  Mark D. Lerner
                                            -----------------------------------
                                         Name:  Mark D. Lerner
                                         Title: Vice President







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