Patent ID: 8908597
Filing Date: 2014-12-09
Classification: H04L

Abstract:
1. A method of operating a node of a serving network, where the node is configured to provide an IP Multimedia Subsystem, IMS, Access Transfer Control Function, ATCF, the method comprising: storing information regarding IMS Service Continuity features that are supported by Mobile Switching Center, MSC, servers within the network; and upon receipt of a message requesting IMS registration of a user equipment, using the information to determine the IMS Service Continuity features available to the user equipment, and, for IMS Service Continuity features that—are available, including, by the node, an indication in the message of the determined IMS Service Continuity features available, and forwarding the message towards a Service Centralization and Continuity Application Server, SCC AS, wherein the node is not a Serving Call Session Control Function, S-CSCF.