Call-routing mechanism for automatically performing number...

Caller control of call forwarding services

Caller directed routing of a telephone call based on a dialed su

Caller identification of recipient that answered a...

Calling terminal controlled call coverage

Casual agent pool

Celler identification of recipient that answered a...

Communicating apparatus

Communication exchanging system capable of changing...

Communication handoff between telephone devices

Communication system and call forwarding management

Communication system and keyset therefore capable of...

Communication system based on SIP, and communication terminal

Communication system including digital error message detection

Communication system including means for transmitting...

Communication terminal apparatus, communication method, and...

Communication transfer apparatus

Communications system automatically diverting calls when...

Computer-based telephone call signaling

Computer-implemented call forwarding options and methods...