Klaus Darilion wrote:
Erich Nahum wrote:
Thanks to Bogdan, who pointed out that my UAC was not behaving properly. Having solved that problem in sipp, I now have a new issue. The UAC is opening a TCP connection to the proxy, but the proxy then forwards the INVITE to the UAS over UDP. I'm using the stock openser.cfg file. Any suggestions?
If a user agents wants to receive messages via TCP, it has to REGISTER with with a contact which includes the transport=tcp parameter. If there is no transport parameter, UDP is the default (according to the RFCs).
You can force TCP by using t_relay_to_tcp instead of t_relay.
Additionally, for stateless processing, you can use forward_tcp().
Regards, Ramona
regards klaus
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