Architecture for minimum loop current during ringing and caller
Audible caller identification with nametag storage
Audible calling line identification
Automated attendant
Automatic dialing method using caller identification
Automatic incoming telephone call originating number and party d
Automatic routing of incoming telephone calls to a plurality of
Bi-directional CID service providing apparatus and method
Branch calling and caller ID based call routing telephone...
Branch calling and caller ID based call routing telephone...
Call blocking device and methods
Call control component collection of communication device...
Call pick-up system and method of a switching device
Call prevention device and method
Call recovery method and apparatus for an attendant...
Call related information receiver to receiver transfer
Call screening system and method
Call-waiting and caller identification with three-way conversati
Caller ID and call waiting for multiple CPES on a single telepho
Caller ID and call waiting for multiple CPES on a single telepho