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Method and system for controlling session for interworking in converged IP messaging service

  • US 9,118,616 B2
  • Filed: 08/19/2013
  • Issued: 08/25/2015
  • Est. Priority Date: 11/28/2008
  • Status: Expired due to Fees
First Claim
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1. A session control method in a Converged IP Messaging (CPM) server for supporting a CPM session between a first client subscribing to a CPM service and a second client not subscribing to the CPM service, the session control method comprising:

  • after the CPM session is initiated between the first and second clients through the CPM server and an InterWorking Function (IWF), receiving a session modification request message including a plurality of media from the first client;

    sending the session modification request message including the plurality of media to the IWF through the initiated CPM session;

    receiving an acceptance response message from the IWF, when a first portion of the plurality of media is supported by the IWF and a second portion of the plurality of media is unsupported by the IWF;

    modifying the CPM session to service the first portion of the plurality of media; and

    sending a session request message including type information of the second portion of the plurality of media to another IWF.

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