Call forwarding on busy or no answer when call waiting is active
Call forwarding on busy or no answer when call waiting is...
Call hold state notification across a communications network
Call rerouter method and apparatus
Call waiting caller identifier
Call waiting calling party defined content
Call waiting cancellation device
Call waiting in call setup
Call waiting indicating method and system
Call waiting messaging
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