[Users] more TCP problems

Elena Ramona Modroiu ramona at voice-system.ro
Wed Aug 3 00:26:11 CEST 2005

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
> klaus
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