Patent ID: 11877347
Assignee: METASWITCH NETWORKS LTD.
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 16:
17. A non-transitory computer readable medium containing computer-readable instructions for causing a processor to perform operations for provisioning a subscriber profile into a subscriber data store of an IP Multimedia System (IMS) capable telecommunications network, the subscriber profile being for a subscriber which is a visiting subscriber with respect to the IMS-capable telecommunications network, the subscriber data store being for use in IP Multimedia System (IMS) call processing, the operations comprising:
receiving, by a modified Serving Gateway and Packet Data Network Gateway (SGW/PGW), a request to allocate an IMS Access Point Name (APN); and
in response to receiving the request to allocate the IMS APN, triggering, by the modified SGW/PGW, a provisioning of the subscriber profile into the subscriber data store by transmitting a notification to the VLR AS;
wherein the modified SGW/PGW is operable to simulate a 2G/3G Mobile Switching Center and Visited Location Register (MSC/VLR) to the visiting subscriber's home network.