Hello!
We've a problem with a provisional response. The invite is sent
through NAT , and the response will be sent to incorrect port.
The invite is sent from 193.77.152.140:53559 to ser, (it is a natted
firewall. It not insert Via header, don't understand sip)
The topmost via is:
Via: SIP/2.0/UDP
10.10.1.2:5080;branch=z9hG4bK-a47f2525b20ab1a953a7c74174551819;received=193.77.152.140
The server recognize, that it is received from 193.77.152.140, but the
reply will be sent to 193.77.152.140:5080
according to the RFC 3261 the port used in the response is , what
present in the via header.
How can i force that the response will be sent to the source port
(52559)?
Thanks,
Tamas
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