[SR-Users] Last negative 5XX reply not getting relayed

[Sergiu Pojoga]

Thanks Federico, that did the trick!

On Tue, May 15, 2018 at 3:51 AM, Alex Balashov <abalashov at evaristesys.com>
wrote:

> On Tue, May 15, 2018 at 09:48:11AM +0200, Federico Cabiddu wrote:
>
> > Hi,
> > rfc 3261 (the one and only) states at section16.7
> >
> > "
> >          A proxy which receives a 503 (Service Unavailable) response
> >          SHOULD NOT forward it upstream unless it can determine that any
> >          subsequent requests it might proxy will also generate a 503.
> >          In other words, forwarding a 503 means that the proxy knows it
> >          cannot service any requests, not just the one for the Request-
> >          URI in the request which generated the 503.  If the only
> >          response that was received is a 503, the proxy SHOULD generate
> >          a 500 response and forward that upstream.
> > "
> >
> > So Kamailio behavior is absolutely legitimate. If you want to change it
> you
> > have to use the following tm parameter: http://www.
> > kamailio.org/docs/modules/devel/modules/tm.html#remap_503_500.
>
> Oh yeah. How about that! (Re)learn something new every day. Cheers
> Federico! :-)
>
> --
> Alex Balashov | Principal | Evariste Systems LLC
>
> Tel: +1-706-510-6800 / +1-800-250-5920 (toll-free)
> Web: http://www.evaristesys.com/, http://www.csrpswitch.com/
>
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