[OpenSIPS-Users] loose_route with opensips 3.2 B2B module

[Bogdan-Andrei Iancu]

Use the "local_route" for that

https://www.opensips.org/Documentation/Script-Routes-3-1#toc6

Regards,

Bogdan-Andrei Iancu

OpenSIPS Founder and Developer
   https://www.opensips-solutions.com
OpenSIPS Bootcamp 2021 online
   https://opensips.org/training/OpenSIPS_eBootcamp_2021/

On 4/14/21 2:54 PM, xaled at web.de wrote:
> Hi Bogdan,
>
> I got it, the actual question is how can I add new headers (not only Route, but any header) with values to the outgoing B2B INVITE request. Please see my other mail.
>
> Thanks,
> Xaled
>
> -----Original Message-----
> From: Bogdan-Andrei Iancu <bogdan at opensips.org>
> Sent: Wednesday, April 14, 2021 12:30 PM
> To: xaled at web.de; users at lists.opensips.org
> Subject: Re: [OpenSIPS-Users] loose_route with opensips 3.2 B2B module
>
> Hi Xaled,
>
> The record routing is incompatible with the b2b, by SIP definition. The record routing is done only by a SIP proxy, not by a SIP b2b2.
>
> Regards,
>
> Bogdan-Andrei Iancu
>
> OpenSIPS Founder and Developer
>     https://www.opensips-solutions.com
> OpenSIPS Bootcamp 2021 online
>     https://opensips.org/training/OpenSIPS_eBootcamp_2021/
>
> On 4/11/21 9:32 PM, xaled at web.de wrote:
>> Hi,
>>
>> would it be possible to respect loose routing on the caller side of
>> B2B module and set route header on the callee side accordingly
>>
>> Something like this:
>>
>> Incoming INVITE:
>>
>> INVITE sip:+12345678 at 1.2.3.4;user=phone SIP/2.0
>> Via: SIP/2.0/TCP
>> 4.3.2.1:5060;branch=z9hG4bK40365b83fb9732a054d124bb46252151.7242beeb
>> Route: <sip:orig-test at test.com:5060;transport=tcp;lr>,
>> <sip:605e7788/5.1.0.17 at 4.3.2.1:5060;transport=tcp;lr>
>>
>> Wanted outgoing INVITE:
>>
>> INVITE sip:+87654321 at 1.1.1.1;user=phone SIP/2.0
>> Via: SIP/2.0/TCP
>> test.com;branch=z9hG4bK40365b83fb9732a054d124bb46252151.7242beeb
>> Route: <sip:605e7788/5.1.0.17 at 4.3.2.1:5060;transport=tcp;lr>
>>
>> I tried setting loose_route in both the original route and in the resulting b2b route but without success.
>>
>> route[b2b_test_logic] {
>>
>> <------>loose_route();
>>
>>       if ($rm != "BYE") {
>>           # for requests other than BYE, no special actions needs to be done,
>>           # just pass the request to the peer
>>           b2b_pass_request();
>>           exit;
>>       }
>> ...
>>
>> Thanks,
>> Xaled
>>
>>
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>