Uwe Michel

Method for charging internet services via a mobile telephone

Method for controlling a machine dispensing good and charging of goods thus dispensed

Method and device for accessing a telecommunications network and for billing telecommunication services

Method and arrangement for avoiding misuse of authentication procedures available on a chip card interface

Method and device for controlling paths for ip connection in a user-specific communication network

Roaming communication network

Method for the selection, transmission and playback of pieces of music by subscribers a digital mobile communication network

Method for the automatic generation of address book entries

Verfahren zur automatischen generierung von adressbucheinträgen

Apparatus and method for operation of a sim-card