PBX voice mail interface
Peripheral control in an intelligent network
Peripheral control in an intelligent network
Pots number processing using a service control point
Private branch exchange
Private branch exchange
Private branch exchange (PBX) system, private branch...
Private branch exchange and line exchange method
Private branch exchange system and method for control thereof
Private branch exchange system having an automatic optimal route
Procedure and system for ensuring emergency communication
Procedure for providing a pstm-mapping in a...
Procedure for the management of a subscriber database in a...
Processing of data message in a network element of a...
Programmable service architecture for call control processing
Programmable universal signaling circuit for a telephone network
Protocol conversion using channel associated signaling
Proxy database for element management system of telephone...
Proxy database for element management system of telephone...