Combination telephone network interface and coaxial cable appara
Combination telephone network interface device and cable TV...
Common package
Communication device
Communication device having a two-mode controlled isolation...
Communication system with active noise cancellation
Communication with current detection
Communications signal splitter and filter
Communications system employing single-pair identity circuit...
Communications systems and methods using wireline adapters
Compact modular layered network interface unit
Compensated hybrid
Compensation circuit for use with an integrating amplifier
Computer telephony power supply method and apparatus
Configurable analog front end for communication systems
Connector mounting arrangement in a center location of a plastic
Constant current line circuit
Constant current line circuit with class features
Constant impedance digital line interface circuit
Constant power telephone line circuit