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
Check force_rport() functionality.
Cseke Tamas wrote:
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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Cseke Tamas -
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