Call-center call routing

Call-processing system and method

Call-routing system and method

Caller identification in a communication system

Calling signal transmission apparatus

Campaign in a geo-spatial environment

Central office providing services for high usage customers

Centralized service circuit deployment

Chime pulser for phone call backup interpreter

Circuit arrangement and method for announcement control

Circuit arrangement for centrally-controlled telecommunications

Circuit arrangement for telecommunication switching systems conn

Circuit arrangement for telecommunication switching systems, par

Circuit arrangement for telecommunications switching systems, pa

Circuit for regulating current in a PBX loop

Circuit for translating telephone numbers

Combined caller and agent endpoint manager

Common channel signaling message intercept system

Communication arrangement

Communication center methods and apparatus