Siemens Aktiengesellschaft

Ronald Heine

Friedrich Koch

Andreas Berg

Reinhard Eder

The invention relates to a method for operating a billing system for billing for services provided by a service provider and/or for transmissions of service data via a terminal used by a subscriber using a communication network, where the service provider is arranged outside the communication network, and the billing system accesses subscriber profile data stored in a home location register in the communication network. Access to the subscriber profile data is followed by use thereof to ascertain the TCP/IP address of an account server which manages an electronic credit belonging to the subscriber. The invention also shows a billing system for carrying out the method.

System and method for operating a billing system, and billing system

The invention relates to a method for charging for telecommunications links in a communications network. When a setup request for a communications link which is directed to a communications terminal and incurs a charge for a charge account associated with the communications terminal is deleted, a network node in the communications network performs sequences for setting up the communications link and forwarding sequences for setting up a forwarding communications link. To bill telecommunication charges securely and reliably at all times, even in the course of roaming, forwarding information is stored in a memory network node in the communications network during the forwarding sequences. Debiting of communication charges for the communications link from the charge account associated with the communications terminal is prevented if the memory network node stores the forwarding information.

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Fredersdorf, Germany

Ronald Heine