Cellular-telephone central call-processing system utilizing obje
Channel request and contention resolution apparatus and method
Charge meter system and method of compiling utilization fees
Charge-all mode for calls in telecommunication network
Charging control of telecommunication network subscriber
Charging criteria for a call in a cellular mobile network
Charging efficiency
Charging efficiency
Charging for an IP based communication system
Charging for roaming users in IMS networks
Charging for telecommunications download services
Charging in a telecommunications system
Charging in communication networks
Charging in communication networks having split control...
Charging in communication systems
Charging method and charging system
Charging method and network system thereof, packet data...
Charging method and system for radio communication
Charging method and terminal equipment in the information...
Charging method and terminal equipment in the information...