Call forwarding via a 2-line phone
Call handling for multiple users of an automated attendant
Call handling mechanism
Call handling system
Call handoff in a wireless telephone system
Call holding alert system
Call holding for a video call in a mobile communication device
Call management system and associated method for a local...
Call management system with protocol converter and port controll
Call management system with protocol converter and port controll
Call message delivery system and method
Call message delivery system and method utilizing caller-selecte
Call notification service for use with call waiting
Call on-hold improvements
Call parking and paging system and method of operation
Call path resource allocation in a wireless telecommunications s
Call processing and subscriber registration systems and methods
Call processing method for delivering promotional messages
Call processing system and method for providing a variety of mes
Call processing system with call screening