Patent ID: 8412835
Filing Date: 2013-04-02
Classification: H04L

Abstract:
1. A method for supporting a session mobility of a terminal that moves from a first communication network to a second communication network, the method comprising: receiving a session invitation message, by a server, from the terminal; analyzing, by the server, information about a media element included in the session invitation message to determine a type of a session update; and transmitting, by the server, a re-invite message to a counterpart entity of the terminal to allow updating a session between the terminal and the counterpart entity, wherein the analyzing of the information about the media element comprises: wherein the combined session update is defined as the session including both of the voice media and the non-voice media are maintained in the second communication network, and wherein the split session update is defined as the session including one of the voice media or the non-voice media are maintained in the second communication network.