Patent ID: 8626132

Claim:
A digital processing device for accessing a communication network and receiving an additional service, the device comprising: an input unit configured to receive a signal; a subscriber identity module configured to store an identity code of a communication operator and generate a communication network access request message; an additional service identity module configured to store an identity code of an additional service operator, subscriber authentication information related to the additional service operator and generate an additional service request message; and a control unit configured to generate, based on the received signal, a control signal configured to selectively drive one of the subscriber identity module and the additional service identity module, wherein the subscriber identity module is configured to communicate data with a communication network device corresponding to the identity code of the communication operator when the subscriber identity module is driven, and the additional service identity module is configured to communicate data with an additional service providing device corresponding to the identity code of the additional service operator via the communication network device corresponding to the identity code of the communication operator in one case and via a further communication network device not corresponding to the identity code of the communication operator in another case when the additional service identity module is driven, and wherein the additional service comprises at least one of a video game service, a music service and a broadcasting service.