Telecommunications network system and method
Telecommunications network system and method
Telecommunications switching network for making...
Telecommunications system
Telecommunications system architecture for connecting a call
Telecommunications system for establishing connections between i
Telecommunications system SS7 signaling interface with signal tr
Telecommunications system with wide area internetwork control
Telemanagement system with single point of entry
Telemanagement system with single point of entry
Telemanagement system with single point of entry
Telephone and private branch exchange
Telephone networking system
Transmission apparatus for relaying different types of trunk sig
Transmission of originator subscriber number after communication
Transparent inband signaling
Trunk interface circuitry for telephone systems
Trunk utilization in a telecommunications network
Two way transmission of subscriber provisional data for an...
Universal DC signalling detector