Unattended meet-me-conference controlled by a telephone terminal
Unauthorized call activity detection and prevention systems...
Unbundling device and method for connecting a competing...
Undetected provision of auxiliary services during a...
Unified messaging/call routing configuration using palmtop...
Unified messaging/call routing configuration using palmtop...
Universal conference control manager
Universal data structure for use with a concurrent state machine
Universal point of contact identifier system and method
Universal state-aware communications
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