Uwe Klatt

Method for billing for services in a communication network

System and method for operating a charging system

Method of operating an accounting system and accounting system

Method for setting up an additional service in a mobile radio network

Verfahren zum Betrieb eines Vergebührungssystems und Vergebührungssystem

Method and arrangement for paying electronically for a goods item or service, in particular an application in a data network

Method for transmitting values in telecommunication networks

System and method for allowing and making a monetary payment using communications network

Method enabling money clearing between payment systems in communication networks

Service billing method in a communication network