Method for performing inter-user equipment transfer in wireless communication system based on internet protocol multimedia subsystem
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United States of America Patent
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May 19, 2015
Grant Date -
Dec 29, 2011
app pub date -
Mar 15, 2010
filing date -
Apr 17, 2009
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Abstract
A method of performing inter-user equipment (UE) transfer (IUT) by an Internet protocol (IP) multimedia subsystem (IMS) network in an IMS-based network system is provided. The method includes receiving from a first UE a subscription message for requesting notification of state or capability information of another UE, transmitting to the first UE a subscription acceptance message in response to the subscription message, receiving from a second UE a control message comprising an IUT flag for indicating IUT enable or disable for media flows, and transmitting to the first UE a notification message comprising information on the second UE, if the IUT flag indicates IUT enable for the media flows. It is possible to decrease a signaling overhead caused by a failure of IUT of a media flow.
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