Patent ID: 8280351

Claim:
A method of authorizing mobile access to an application service, comprising steps of: receiving in an application server for providing the application service, from a mobile station via a data session for the mobile station previously established through a mobile communication network, a request for the application service related to an application started on the mobile station, wherein: the request includes a network address assigned to the mobile station for the established data session, a number associated with an account of the mobile station for communications of the mobile station through the mobile communication network, and a device specific identifier of the mobile station, but the request does not include any user input at the mobile station regarding user authorization for the application service; sending a query containing the network address assigned to the mobile station for the established data session, from the application server to an authentication element of the mobile communication network; receiving a response to the query from the authentication element, the response from the authentication element containing an account associated number to which the network address has been assigned; sending another query from the application server to a database of the mobile communication network, the other query including the number contained in the request received from the mobile station; receiving a response to the other query, from the database of the mobile communication network, the response from the database containing a device specific identifier associated with the number contained in the request; and authorizing, in the application server, the mobile station to access the application service responsive to: (a) a match of the number contained in the request received from the mobile station with the account associated number received in the response from the authentication element, and (b) a match of the device specific identifier contained in the request received from the mobile station with the device specific identifier contained in the response from the database.