communications

Ameritech – AT&T – Bell Canada – Bellcore – Bell South – GTE – Lucent Technologies – Northern Telecom – Nynex – T-Mobile – MCI Inc. – Verizon – Quest – 36o communications, AT&T, ADC Telecommunications, Alltel Mobile, Aspect Communications, AT&T Dublin PTS, Ameritech Mobile, ATU Telecommunications, Cable &Wireless-USA, Cox Communications Inc.