Method for initiating IMS based communications
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United States of America Patent
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N/A
Issued Date -
Apr 2, 2009
app pub date -
Apr 1, 2005
filing date -
Apr 1, 2005
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A method of initiating an IP Multimedia Sub-system communication for a user that is not registered a priori with the IP Multimedia Subsystem. The method comprises receiving a communication request from said user at a Session Initiation Protocol Application Server via an interface to an external network or receiving an internally or externally generated stimulus requiring the establishment of an IP Multimedia Subsystem communication, allocating a Serving Call/State Control Function to the user, forwarding a SIP request from the Application Server to the allocated Serving Call/State Control Function, and establishing the requested communication.
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