Communication terminal and communication system

Communication timing control arrangement and method thereof

Communications method for a code division multiple access system

Communications methods and apparatus

Communications networks

Communications system for providing ATM connections and echo...

Communications webs for PSTN subscribers

Computer-based multi-media communications system and method

Computer-based multifunction personal communication system

Computer-based multifunction personal communication system with

Connection handling in communications networks

Contactless communication system and data carrier used for...

Control system apparatus and systems using value-based...

Controlling the state of duplexing of coupling facility...

Cooperative relay transmission method for a wireless...

Cordless telephone system

Crosstalk masking for digital subscriber loops