Traversing of NAT address translation equipment for signaling messages compliant with SIP protocol
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United States of America Patent
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May 19, 2015
Grant Date -
Mar 13, 2008
app pub date -
Sep 6, 2007
filing date -
Sep 8, 2006
priority date (Note) -
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Abstract
Method of setting up a communication session between a calling client (C1) and a called client (C2), through a communication network (SN1, SN, SN2) containing at least one address translation device (NAT1, NAT2). This method contains stages for the transmission of signaling messages (fs), passing through at least one address translation device and allowing the exchange of the physical addresses of the clients. At least one of the clients implements a solution for the traversing of address translation devices. The method is innovative in that at least one client adds, within the sent signaling messages, a parameter representing the implementation of the traversing solution and that, in the presence of such a parameter, the network devices do not implement their own solutions for the traversing of address translation devices.
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