Communications transmission system

Communications tunneling

Compact AGC circuit with stable characteristics

Compact device for carrying out terminating processing of STS-N

Compact self-contained electrical-to-optical converter/transmitt

Compact wavelength multiplexer-demultiplexer with variable filtr

Compact, low-intermodulation multiplexer employing interdigital

Companding of voice signal for simultaneous voice and data trans

Compandor for group of FDM signals

Compatible licensed and unlicensed band portable handset unit fo

Compensation for mismatched transport protocols in a data commun

Complementary communication system in the no-connection mode for

Complex multiplexer/demultiplexer apparatus

Complex signal generation and transmission

Composite communication network

Composite concentration system

Composite data transmission system

Composite frame reconfiguration in integrated services networks

Composite ring network having an increased redundancy for restor

Compressed prefix matching database searching