Hello,

On 10.10.23 08:42, Ali Taher via sr-users wrote:
>
> Hello,
>
>  
>
> I’m using Kamailio as SIP proxy to receive INVITE packets, randomize
> A-number and then relay it to a certain gateway.
>
>  
>
> I noticed that a Via header is added to the INVITE sent by Kamailio to
> the gateway with 0.0.0.0 as address as shown below:
>
> Via: SIP/2.0/UDP
> 0.0.0.0;branch=z9hG4bK2d97.61de75dd58fa7ca7450cc8b9b01db62f.0
>
>  
>
> As far as I know, the IP that should be used in the new added VIA
> header must be Kamailio IP, but it’s not the case here, knowing that
> Kamailio is not behind NAT.
>
>
I guess that you have listen global parameter with 0.0.0.0, you have to
listen on the IP you want in Via or add advertise to listen with that IP.

Cheers,
Daniel

-- 
Daniel-Constantin Mierla (@ asipto.com)
twitter.com/miconda -- linkedin.com/in/miconda
Kamailio Consultancy and Development Services
Kamailio Advanced Training - Online - Nov 14-16, 2023 -- asipto.com
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