Methods, systems, and computer program products for clustering and communicating between internet protocol multimedia subsystem (IMS) entities
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United States of America Patent
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Sep 6, 2011
Grant Date -
Jun 22, 2006
app pub date -
Dec 16, 2005
filing date -
Dec 17, 2004
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Abstract
Methods, systems, and computer program products for clustering and communicating between Internet protocol multimedia subsystem (IMS) entities are disclosed. According to one aspect, an IMS cluster node includes a serving call state control function (S-CSCF) for controlling media sessions between IMS users. The cluster node further includes a home subscriber service (HSS) function for storing and providing IMS subscription information to the S-CSCF function. A shared memory is operatively associated with the S-CSCF function and the HSS function. The S-CSCF function obtains IMS subscription information from the HSS function via the shared memory.
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