PROVIDING SIP INTERWORKING IN A NEXT GENERATION NETWORK
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United States of America Patent
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Issued Date -
Jun 19, 2008
app pub date -
Dec 14, 2006
filing date -
Dec 14, 2006
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Methods and systems for extending the IMS/SIP architecture of the NGN to provide QoS service to generic bearer flows. Providing QoS treatment, of a bearer flow within a communication session established between two end devices using a different in-band signalling protocol is supported. A Signalling Inter-Working Function (SIWF) is provided in a path of the in-band signalling between the two end devices. The SIWF is operative to: detect at least a signal state of the in-band signalling; and establish a communications session with QoS treatment of bearer flows spanning at least a portion of an end-to-end path between the two end points, based on the detected signal state.
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