[pjsip] redirection (status 302) issue

[Benny Prijono]

On Sat, Mar 7, 2009 at 6:48 PM, Neil Ostroff <neil at mangosoup.com> wrote:

> Hello.
>
>
>
> I have encountered an issue with redirection (i.e., processing a 302 status
> message) in the pjsua application and was hoping for a suggestion on how to
> proceed. The problem occurs after initiating a new call (i.e., being a UAC) uisng
> TCP transport and receiving a status 302 with a contact header containing
> transport=tcp. The new invite uses udp transport (i.e., the tcp transport
> parameter is being ignored). If I force the use of TCP by disabling UDP,
> the trace output shows the following:
>
>
> 19:55:46.082    tsx00D3AFAC  Failed to send Request msg INVITE/cseq=12709
> (tdta00D35618)! err=171060 (Unsupported transport (PJSIP_EUNSUPTRANSPORT))
>
> 19:55:46.082    pjsua_app.c  Call 0 is DISCONNECTED [reason=503
> (Unsupported transport (PJSIP_EUNSUPTRANSPORT))]
>

A trace would be helpful here. It's possible that there is a route set which
forces UDP to be used.

cheers
 Benny
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