Call instance representation of a call for call management in a
Call intercept methods, such as for customer self-support on...
Call interruption compensation system
Call logging in a wireless telecommunications system
Call management for a multi-site mobile radio dispatch network
Call management in a telecommunications system
Call management services to telephone devices which are connecte
Call management system and method for servicing multiple...
Call management system for wireless telephones
Call operation method for a communication device
Call origination control
Call pickup group controlled by wireless terminals
Call processing for group conferencing
Call processing method and apparatus for effective QoS...
Call processing method and apparatus in a private...
Call processing method capable of home-zone additional...
Call processing method during termination busy state of...
Call processing method, subscriber unit, and access control...
Call processing system and method
Call processing system and method