Universal telephone call relay system
Universal telephone system and method
Unrecognized number identifier
Urgency of call indication to called party through...
URL-based dialing for voice telephone calls
Use of caller ID information
Use of platform-independent code for supporting services in...
User controlled call routing for multiple telephony devices
User controlled location sharing during a communication
User inquiry facility for task status in a distributed system
User invoked directed outdial method and apparatus
User invoked directed outdial method and apparatus
User programmable personal call manager
User specified hold recall treatment
User-configurable call answering/redirection mechanism
Using a telephony application server for call control with a...
Video conference system and methods for use at multi-station...
Virtual conference system and terminal apparatus therefor
Virtual interaction queuing using internet protocols
Virtual modem driver apparatus and method