Call controlling apparatus, call controlling method, and...
Call delivery systems for roaming prepaid subscribers
Call destination number conversion system for representative...
Call device, call control system, call management system,...
Call dialing for a mobile terminal operating within a public...
Call distribution for a radio exchange station in a mobile...
Call distribution method in a mobile switching system
Call diversion system
Call forwarding control device and method of call management
Call forwarding in a mobile communication system
Call forwarding in a telecommunication system
Call forwarding in a telecommunications network
Call forwarding method and arrangement for a mobile terminating
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