Transfer function for messaging platform in public telephone...

Transfer function for messaging platform in public telephone...

Transfer service method for telephone network

Transfer-connect telephony services utilizing automated audio sy

Transfer-connect telephony services utilizing automated...

Transferring a call to a backup according to call context

Transferring a communications exchange

Transparent call discrimination (TCD) method and apparatus

Transparent caller interactive attendant bypass system

Triggerless number portability system and method

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