[Spce-user] Source IP and port change by endpoint

[John Nash]

I have a situation where rtpengine is use following way...

EndpointA -------------->Openser(rtpengine)------------->EndpointB (Gateway)

1- EndpointA initiates call and gets Session progress and media starts to
flow no issues so far.
2- In some situations EndpointB changes its source IP and Port and starts
sending media to rtpengine.
3- As rtpengine constantly learns source IP and Ports , it starts
forwarding media received from EndpointB to EndpointA but this time
Rtpenegine also changes its own source port for stream
Rtpengine===>EndpointA

EndpointA ignores media from this new port and we hear no voice afterwards.


Is there any setting to force rtpengine to use old port?
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