Video transmission and control system utilizing internal...
Video transmission and control system utilizing internal...
Videotex terminal apparatus using an IBM PC XT
Videotex terminal for receiving telecopies
Videotex with telephone call screening system
Visual answering machine
Visual calling person display
Visual communication terminal apparatus for performing multiplex
Visual telephone apparatus
Voice and data transmission over twisted wire pairs
Voice and fax over IP call establishment in a communications...
Voice bridge for a relay center
Voice bridge for relay center
Voice communication apparatus
Voice communications apparatus
Voice controlled business scheduling system and method
Voice data modem, voice data method and voice data modem system
Voice dialing system
Voice operated facsimile machine network
Voice over DSL method and system for supporting a lifeline