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...

Charging method for use in service providing system,...

Charging of subscribers with localized service areas in a...

Charging systems for services in communications

Charging unit and wireless telephone having multi-number...

Checking the access right of a subscriber equipment

Checking the access right of a subscriber equipment

Checking the identification number of a mobile subscriber

CID message retrieval methods and devices

Ciphering between a CDMA network and a GSM network

Ciphering configuration procedure in an unlicensed wireless...