Patent ID: 9686254
Date: 2017-06-20
CPC Classifications: H04L,H04W

Claim:
1. A method for assisting access to access protected services in a cellular multimedia delivery system, the method being performed in a wireless device and comprising the steps of: the wireless device transmitting a request for service data; the wireless device receiving a response to the request for service data, which response comprises the requested service data; the wireless device storing the received service data; the wireless device transmitting a request for service identification information identifying services to which a user of the wireless device is subscribed; the wireless device receiving a response to the request for service identification information, the response to the request for service identification information comprising a first service identifier identifying a first service to which the user is subscribed; the wireless device obtaining the first service identifier from the response to the request for the service identification information; the wireless device using the obtained first service identifier to obtain, from the stored service data, first service configuration information associated with the first service identifier; the wireless device using the obtained first service configuration information to determine whether the first service is access protected; and the wireless device, as a result of determining that the first service is access protected, transmitting, to a key manager server, a message requesting a service key for the first service, wherein the response to the request for service identification information further comprises a second service identifier identifying a second service to which the user is subscribed, the method further comprises: i) the wireless device using the second service identifier to obtain, from the stored service data, second service configuration information associated with the second service identifier and ii) the wireless device using the obtained second service configuration information to determine that the second service is access protected, and the message transmitted to the key manager server further requests a service key for the second service.