Telecom Kiki, Ltd.

Telecom Securicor Cellular Radio Limited

Telecom Technologies, Inc.

Telecomcia Properties Limited

Telecommunication Concepts, Inc.

Telecommunications Premium Services, Inc.

Telecommunications Radioelectriques et Telephoniques T.R.T

Telecommunications Radioelectriques et Telephoniques T.R.T.

Telecommunications Radioelectriques et Telephoniques TRT

Telecommunications Research Laboratories

Teleconferencing Systems International Inc.

Telecue Systems

Teledata Communication Ltd.

Teledata Networks Ltd.

Teledata Solutions, Inc.

Teledebit

Teledebit, L.P.

Teledex LLC

Teledirect International, Inc.

TeleDynamics Group, Inc.