Patent ID: 8184623
Filing Date: 2012-05-22
Classification: H04L

Abstract:
1. A method of sharing an application profile for plural public IP Multimedia Subsystem (IMS) identities across different IMS subscriptions, comprising the steps of: storing at a first Home Subscriber Server (HSS) storage a home application profile for a first public IMS identity (IMPUx) of a first IMS subscription; storing at a second HSS storage a profile reference as an abbreviated foreign application profile for a second public IMS identity (IMPUy) of a second IMS subscription, the profile reference pointing to said home application profile in the first HSS storage; and storing at the first HSS storage an authorizing identifier for the second public IMS identity that authorises access to said home application profile, wherein when the first HSS storage receives a request for the home application profile from an application server on behalf of the second public IMS identity by means of the profile reference, access to the home application profile is allowed for the application server according to said authorizing identifier.