Signal transmitting and/or receiving apparatus
Signaling in call transfer calling operations to control the ini
Signalling system for trunked private calls
Simple structured portable phone with video answerphone...
Simplified call answering service
Simulated voice message by concatenating voice files
Simulation of telephone handset
Simultaneous speaker-independent voice recognition and verificat
Simultaneous speaker-independent voice recognition and verificat
Simultaneous voice recognition and verification to allow access
Simultaneous voice-call system for cordless telephone
Simultaneous voice/data answering machine
Simultaneous voice/data answering machine
Single cassette answering machine with dual phone line and mailb
Single chip telephone answering machine, telephone, speakerphone
Single frequency remote control of telephone answering device ac
Single line compatible fax system
Single line telephone answering system with access security feat
Single tape automatic telephone answering machine
Single telephone number access to multiple communication...