摘要 |
<p>The method comprises: i) obtaining, an authentication registrar (S-CSCF) of a IMS control layer, two sets of IMS credentials for a user: a first set from a user equipment (UE) and a second set from a Home Server Subscriber, or HSS (100); and ii) said authentication registrar (S-CSCF) comparing said first and second sets of IMS credentials, and depending on the result of said comparison granting or denying the access of said user to IMS services. The method further comprises, before and in order to perform said steps i) and ii), obtaining, the user equipment (UE), the first set of IMS credentials from a network element (40) via a HTTP-based mechanism. The system is adapted for implementing the method, and the network element is also adapted for implementing the method and for being included in the system.</p> |