Communication control apparatus and method and communication exc

Communication network with hidden calling number capability

Communication of user data to an automatic call distributor...

Communication switching system with performance characteristics

Communication system and call processing method

Communication system distributed processing message delivery sys

Communication system employing a personal assistant server...

Communication system employing a personal assistant server...

Communication system for telecommunication relay services

Communication system supporting remote operations

Communication system, exchange and extension call processing...

Communications

Communications apparatus

Communications handling center and communications forwarding...

Communications network routing and management system

Communications protocol for switching systems

Communications switch permitting transparent maintenance of swit

Communications system and interface circuit for interconnecting

Communications system and method for monitoring a group call...

Communications system and method for operating same