Call management system and associated method for a local...
Call waiting notification
Caller identification verification system
Calling party identification authentication and routing in...
Capture of alphabetic or alphanumeric character strings in an au
Change speed of voicemail playback depending on context
Circular memory addressing option for audio messages
Communication device with main telecommunication unit that...
Communication support system for providing telephone services of
Communication terminal, communication method and program...
Communications system enhanced with human presence sensing...
Computer communications device
Computer generated prompting
Computer-based system and method for identifying an unidentified
Computer-based system and method for identifying an...
Computerized telephone apparatus
Contact manipulaton and retrieval system
Control of access for telephone service providers using...
Controller for use with communications systems for...
Correlating call data and speech recognition information in...