Cordless subunit facsimile system
Cordless telephone system having a handset with non-telephone fu
Coupler for a communications device
Coupler for an acoustic coupled communications device
Coupling device for use with a computer system
Credit card reader
Credit control system for long distance telephone services
Credit status checking system for transaction processing system
Customer activation system
Customer programmable real-time system
Customer service process for remotely assisting users of...
Customizable scripting based telephone system and telephone...
Customized presence information delivery
Data access arrangement for detecting the hook status of an...
Data access arrangement utilizing a serialized digital data...
Data access arrangement utilizing a serialized digital data...
Data access arrangement utilizing a serialized digital data...
Data and speech transmission device
Data and telephone wiring terminal
Data base accessing system