Patent ID: 7797006
Filing Date: 2010-09-14
Classification: H04L,H04W

Abstract:
1. A server method for guaranteeing a seamless session when replacing one of a plurality of terminals as a terminal communicating with a server by request of a particular user having the plurality of terminals, the method comprising the steps of: receiving a terminal replacement request message from a terminal requesting replacement, the terminal replacement request message for requesting replacement by a terminal to be replaced among the plurality of terminals; transmitting, by the server, an INVITE message to the terminal to be replaced; receiving a response message to the INVITE message from the terminal to be replaced; transmitting media to the terminal to be replaced; and transmitting a session termination request message to the terminal requesting replacement after connecting the session with the terminal to be replaced for transmitting the media to the terminal to be replaced, wherein the terminal replacement request message uses an SIP (Session Initiation Protocol) REFER message including at least one of a conference URI (Uniform Resource Identifier) of the session set as a Request URI and address information of the terminal to be replaced.