Method for Supporting Combinatorial Cs Call and Ims Session
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United States of America Patent
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Issued Date -
Oct 16, 2008
app pub date -
May 2, 2006
filing date -
May 2, 2005
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Abandoned
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Abstract
The method for supporting combinatorial CS call and IMS session that includes initiating an IMS domain session or sending a IMS relevant signaling to a called subscriber by a UE A, indicating a unique identification of the called terminal and checking whether his/her own identification matches with the unique one included in the message or not by the called. If a match is detected, sending back a normal response message. Otherwise, an abnormal one or none at all is sent back. Then, the several responses are combined and forwarded by a S-CSCF of the called according to available regulations. Thus, errors caused at the moment of terminal ability exchanging or session being established can be effectively avoided and the IMS unregistered UE can also share the IMS service.
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