Call admission control with overbooking support and cell...

Call admission control with overbooking support and cell...

Call admission control/session management based on N source...

Call admission controller and method thereof and multi-hop...

Call admission method in CDMA mobile communication system

Call and connection set up system in transmission network

Call center communications system for handling calls to a...

Call center communications system for handling calls to a...

Call center queue administration

Call charging arrangement

Call clearing for legacy mobile circuit switched domain...

Call collision sidestep system for two-way simultaneous calls in

Call completion of video telephone/teleconference call as...

Call connection technique

Call control in exchange suitable for intelligent network

Call control method between a packet network and PSTNs in...

Call control model for a packet-based intelligent...

Call control network, access control server and call control...

Call control system for a subscriber transmission device

Call control system in ATM switch