[SR-Users] Route - loose_route

Daniel-Constantin Mierla miconda at gmail.com
Tue Mar 9 09:50:13 CET 2021


Hello,

do you add the route header content manually? Because there is a r2=on
but there is a single Route header. The r2=on means that the kamailio
added two Record-Route (and thus there have to be 2 Route headers) and
it will consume 2 of them. So, just remove r2=on if that is the case.

Cheers,
Daniel

On 05.03.21 16:36, Ilie Soltanici wrote:
> Hello,
>
> I have a strange issue here with the Route header not been respected
> by the Kamailio server.
>
> I'm getting the INVITE from the SBC-1, adding my own RR header
> (SBC-2), and send it to the SBC-3
>
> This is the Invite I'm sending outside to the SBC-3 Proxy.
>
> ```
> INVITE sip:+123456789 at 192.168.1.1:5060
> <http://sip:+123456789@192.168.1.1:5060> SIP/2.0
> Record-Route: <sip:SBC-2:5067;transport=tls;r2=on;ftag=as2b53df6f;lr>
> Record-Route: <sip:SBC-1;ftag=as2b53df6f;lr>
> ```
>
> I'm getting back 200OK with mirrored RR, the call is established
> successfully.
>
> But, the problem is with the BYE message coming from the SBC-3:
>
> ```
> BYE sip:+123456789 at 192.168.1.2:5060
> <http://sip:+123456789@192.168.1.2:5060> SIP/2.0
> ROUTE:
> <sip:SBC-2:5067;transport=tls;r2=on;ftag=as2b53df6f;lr>,<sip:SBC-1;ftag=as2b53df6f;lr>
> ```
>
> There are 2 routes within a single header. Afaik, loose_function
> should remove his own Route header (SBC-2) and forward the message to
> the next Route (SBC-1), or to the URI if there are not other Routes.
> But, in my case, for some reason Kamailio on SBC-2 is sending the
> request directly to the URI, bypassing the SBC-1. 
>
> In the logs I'm getting the following errors:
>
> *rr_do_force_send_socket(): no socket found to match second RR (sip:SBC-1)
> *
> *rr_do_force_send_socket(): second RR uri is not myself (sip:SBC-1)*
> *
> *
> To enforce the socket I was trying to use 'sn=interface', then I'm not
> getting anymore this error - but still, Kamailio sends the message
> directly to the URI, instead of SBC-1. 
> Is there anything wrong with my config, or I am missing something with
> the Route headers?
>
> Kamailio Version: version: kamailio 5.4.4 (x86_64/linux) bdf4e0
>
> Thank you.
>
> _______________________________________________
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> sr-users at lists.kamailio.org
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-- 
Daniel-Constantin Mierla -- www.asipto.com
www.twitter.com/miconda -- www.linkedin.com/in/miconda
Funding: https://www.paypal.me/dcmierla

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