Patent ID: 9294964
Filing Date: 2016-03-22
CPC Classification: H04L,H04M,H04W

Claim Text:
1. A method of anchoring a packet switched session of a subscriber of a visited network, the method comprising: receiving from the subscriber, a packet switched request for a setup of the packet switched session setup; and anchoring the packet switched session from an IP Multimedia Subsystem (IMS) control plane point of view in a control node of the visited network of the subscriber, wherein the control node in which the packet switched session is anchored is located in a circuit-switched core network of the visited network, wherein said anchoring comprises sending information to the control node of the visited network for anchoring the packet switched session in that control node and for anchoring a media path in a transmission node of the visited network, said information comprising at least one of Correlation Mobile Station International Number (C-MSISDN), an International Mobile Subscriber Identity (IMSI), and a media description.