Call waiting priority alert
Call waiting priority alert
Call waiting processing system, and originating terminal unit, d
Call waiting response status
Call waiting service in a telecommunications network
Call waiting using external notification and presence detection
Caller control of call waiting services
Caller control of internet call waiting
Caller control of internet call waiting
Circuit and method for responding to third party calls in a tele
Conference calls via an intelligent call waiting interface
Crossbar line hunting arrangement
Customer programmable caller ID alerting indicator
Delayed cancel call waiting
Distinctive call waiting alert and management device
Dynamic call response system
Dynamic call waiting based on caller ID
Electrical connector for connecting an audio source to a...
Enhanced apparatus for use with caller ID system
Enhanced call waiting