Patent ID: 8238973

Claim:
A method of administering authorization of at least one mobile telephone with respect to a mobile-communication network in which the mobile telephone that may hold a mobile radio card and is capable of communication through a near-field link, the method comprising the steps of: providing an external device with at least one mobile-radio card and with a device for near-field communication with the mobile telephone; taking over authorization of the mobile telephone with respect to the mobile-communication network by means of the external device; configuring the mobile telephone such that it can only establish a connection with the mobile-communication network when authorized by the external device through the near-field link; before authorization, registering the mobile phone in the external device; and if a mobile-radio card is not present in the mobile telephone, checking through the near-field link if the mobile telephone is registered in the external device and thereafter, if the mobile telephone is registered, authorizing the mobile telephone with respect to the mobile-communication network by the external device and thereafter, if the mobile telephone was successfully authorized by the mobile-communication network, permitting establishment of a connection set-up from the mobile telephone to the mobile-communication network by the external device, and thereafter checking if the mobile telephone is logged onto the mobile-communication network.