Call distribution method in a mobile switching system

Call forwarding in a mobile communication system

Call hand-over in a wireless local area network

Call handling scheme to reduce roaming charges

Call handling scheme to reduce roaming charges

Call handoff

Call handoff

Call handover in a non-geostationary satellite constellation

Call handover in a non-geostationary satellite constellation

Call instance representation of a call for call management in a

Call management in a telecommunications system

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 re-establishment for a dual mode telephone

Call redirection system

Call routing

Call routing determination based on a class of service...

Call routing system for a wireless data device