Exhibit 15
JOINDER AGREEMENT
IPC Communications, Inc.
Wall Street Plaza
▇▇ ▇▇▇▇ ▇▇▇▇▇▇
▇▇▇ ▇▇▇▇, ▇▇ ▇▇▇▇▇
Attention: Chief Executive Officer
Gentlemen:
In consideration of the transfer to the undersigned of 952.3800 shares of
Common Stock, par value $.01 per share, of IPC Communications, Inc., a Delaware
corporation (the "COMPANY"), the undersigned agrees that he is a Permitted
Transferee of Cable Systems Holding, LLC and agrees that, as of the date written
below, he shall become a party to, and a Permitted Transferee as defined in,
that certain Amended and Restated Investors Agreement, dated as of April 9,
1998, as such agreement may have been or may be amended from time to time (the
"AGREEMENT"), among the Company and the persons named therein, and as a
Permitted Transferee shall be fully bound by, and subject to, all of the
covenants, terms and conditions of the Agreement that were applicable to the
undersigned's transferor as though an original party thereto and shall be deemed
a CSH Shareholder for purposes thereof.
Executed as of the 21st day of May, 1999.
TRANSFEREE: ▇▇▇▇ ▇. ▇▇▇▇▇▇, ▇▇
Address: c/o Citicorp Venture Capital Ltd.
▇▇▇ ▇▇▇▇ ▇▇▇▇▇▇
▇▇▇ ▇▇▇▇, ▇▇ ▇▇▇▇▇
/s/ ▇▇▇▇ ▇. ▇▇▇▇▇▇, ▇▇
--------------------------
▇▇▇▇ ▇. ▇▇▇▇▇▇, ▇▇
