MTS-switch generic verification
Multi-conductor identifier with voice communication capability
Multi-interface telephony test system using separate...
Multi-line network interface
Multi-medium closed-loop controlled satellite broadcast network
Multi-port caller ID-based telephone ringback test device
Multi-port caller ID-based telephone ringback test device
Multi-protocol, multi-interface communications device...
Multi-protocol, multi-interface communications device...
Multi-variate system having an intelligent telecommunications in
Multifunction adaptive telephone line measurement method and sys
Multiline computerized telephone monitoring system
Multiline transmission line test receptacle with provision for t
Multiple tone detection using out-of-band background detector
Multiple-service offering communication terminal and multiple-se
Multiplexed terminal for monitoring and controlling a plurality
Multiprocessor computing system featuring shared global control
Multiprocessor computing system featuring shared global control
Multipurpose analog telephony channel test facility method and a
Multipurpose subscriber local line monitoring device