Process of sending access data to a vehicle mounted subscriber station for a special access mode to a service provider station

A process for providing first access data to a transportable subscriber station, for establishing a first access mode to a service provider station via a first network using a network account which can be selected by the subscriber station, a first switching station and a second network;

• wherein, a second access mode can be established, by means of stored second access data, via the first network and a fixedly defined second switching station;
• said method comprising:
• the subscriber station selecting a network account;
• checking whether first access data for the selected network account are stored in the subscriber station;
• if first access data are stored in the subscriber station, requesting the first access mode to the service provider station by means of the first access data;
• if first access data are not stored in the subscriber station, requesting the second access mode to the service provider station by means of the stored second access data and requesting first access data for the selected network account in the second access mode;
• transmitting the requested access data for the selected network account to the subscriber station in the second access mode;
• and
• storing the transmitted first access data for the selected network account in the subscriber station.