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
Container for telephone network interface device
Continuity of voice carried over DSL during power failure
Controlled switching mechanism for accomplishing soft...
Copper based interface system and regulated power source
Cordless phone with time-out controlled ringer
Cordless telephone outlet device
Cordless telephone-to-sound card interface adapter having a...
Cordless telephone-to-sound card interface adapter with...
Cover for a remote terminal
Cross-over voltage lock for differential output drivers
Current amplifier, particularly for a telephone line