Patent ID: 9019954
Filing Date: 2015-04-28
Classification: H04L

Abstract:
1. A method in a Call Session Control Function, CSCF, node for handling public identities in an Internet Protocol Multimedia Subsystem, IMS, network, the method comprising: receiving, from a Home Subscriber Server, HSS, node, information indicating a set of distinct public identities within a range of a wildcarded public identity, which set of distinct public identities are not in the same Implicit Registration Set, IRS as the wildcarded public identity; storing the information indicating the set of distinct public identities in the CSCF node or forwarding the information indicating the set of distinct public identities to another CSCF node, for allowing matching of an originating request to the information indicating the set of distinct public identities; receiving, from a Proxy CSCF, P-CSCF, node, an originating request including a public identity, within the range of the wildcarded public identity, and the wildcarded public identity; if the public identity included in the originating request matches with a distinct public identity indicated by the information indicating the set of distinct public identities, informing the P-CSCF node that the public identity is not registered; and if the public identity included in the originating request does not match with the information indicating the set of distinct public identities, fetching a service profile associated with the public identity, using the wildcarded public identity included in the originating request.