Bit rate matching system and method
Bit rate matching system and method
Bit rate matching system and method
Bridgeable fax monitor for help desk support
Broadcasting of information through telephone switching system d
Building intercom system
Building security system
Cabling system for low voltage and very low voltage networks in
Call block disabler
Call control method and apparatus for a switching system
Call establishment for simultaneous analog and digital communica
Call in-bound remote reading and data collection system
Call meter signal receiver for subscriber's private metering of
Call path display telephone system and method
Call progress information in cable telephony
Call progress information in cable telephony
Call progress information in cable telephony
Call progress information in cable telephony
Call progress monitor for a computer telephone interface
Call screening for fax telephone numbers