Radiotelephone communications system with direct access to inter
Radiotelephone credit card data communications
Radiotelephone locating and handoff using alternative criteria
Rapid processing of immediately successive arrival signals in a
Rationalized automated answering machine
Real-time call control system
Real-time transcription correction system
Real-time voicemail monitoring and call control over the interne
Real-time, on-line, call verification system
Realcall message delivery system with echo cancellation
Recipient control over aspects of incoming messages
Recordal service for voice communications
Recorded telephone message/number identifying method and apparat
Recorded voice message summary
Recorder control apparatus for automatic telephone answering sys
Recording and playing voicemail with improved DTMF detection
Recording system with response categorization
Recording telephone system equipped with a remote control change
Region-wide messaging system and methods including...
Region-wide messaging system and methods including...