Conferencing additional callers into an established voice...
Conferencing circuit, and associated method, for automatically c
Conferencing method for telephone switch system
Conferencing with a calling party
Connecting an endpoint to a conference call
Connection control method for personal communications
Consolidated access and administration of customized...
Contact information management
Contact number encapsulation system
Context aware call handling system
Context-dependent call-feature selection
Control apparatus for switching station connections using a hold
Control method for station-to-station slave transmission
Control of call features provided to a subscriber by a hierarchi
Control of call forwarding by a target telephone
Control of non-locally switched telecommunication services
Control program providing method using communication system,...
Controll of call features provided to a subscriber by a hierarch
Controller for a telephone system with code screening of incomin
Controlling or monitoring PBX phone from multiple PC endpoints