[sr-dev] TOPOS on Edge-Proxy / Proxy-CSCF

[Daniel-Constantin Mierla]

Hello,

so far topos was not designed for spiraled traffic, only as a single
middle point between caller and callee. To handle SIP spirals, it would
need some C coding.

Cheers,
Daniel


On 04.08.17 16:32, Carsten Bock wrote:
> Hi,
>
> I think, I found one issue with Daniel's new (great) TOPOS module:
>
> I've configured it on my Edge-Proxy (aka. Proxy-CSCF) as a replacement
> for an SBC and I ran into a strange issue.
>
> Everything works fine, except in one Scenario:
> Both A and B Party are registered using the same Proxy, so TOPOS is
> triggered twice: On the originating Leg and on the terminating Leg.
>
> It works properly, if I'm just having one Leg on the Proxy (either
> because it's going to/coming from the Breakout Gateway or because the
> B-Party registered using a different Proxy).
>
> It appears to happen only, if the B-Party has a public IP, if no NAT
> involved (Wtf?!?), it actually happened initially when I called my
> mother.
>
> I've looked through the source-code but couldn't find a proper
> solution. Anyone an idea?
>
> Thanks,
> Carsten
>
> P.S: Please find attached a full trace of such call and the according
> database entries
>
>
>
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-- 
Daniel-Constantin Mierla
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