Georg Kastelewicz

Method for registering a communication terminal

Method and device for administering a multiplicity of terminals

Method for deducting for services provided in a computer network

Method for billing for a communication service

Method for identifying a communications terminal

Method for registration of a communication terminal in a service network (IMS)

Method for automatic charging

Method and apparatus for delivering short messages from a cellular network to an IP network

Lawful interception of bearer traffic

Verfahren zum abrechnen eines kommunikations-dienstes