Telephone system for formatting caller ID information into a...
Telephone system processing of designated caller ID private call
Telephone terminal and caller ID utilization method
Telephone terminal equipment in which telephone numbers of calle
Telephone used in a telephone system for transmitting data...
Telephone with data acquisition means
Telephone with novel FSK decoding means, simultaneous off-hook c
Telephone with novel FSK decoding means, simultaneous...
Telephone with ringer silencer screening feature
Terminal device for network system
Text transmission using DTMF signalling
Text-to-speech and MIDI ringing tone for communications devices
Third party regulation of calls through a particular line...
Time, date and originating number display provided to...
Trim phone circuit device having a calling line identification