[OpenSIPS-Users] About the branche pseudovariables

[Ricardo Martins]

Hi Bogdan!

I realy missed that that $br was about uri. Now I got. The reason I want 
to isolate the branch param of via header is to help me to agregate all 
the failed branches of a failed/sucessfull INVITE transaction. All those 
branches will be tried in sequence for a "n" number of times before 
getting a sucessfull answer or failing at all.

Maybe I can do this with call-id and cseq, am I right?

Regards,

Ricardo.


Bogdan-Andrei Iancu escreveu:
> Hi Ricardo,
>
> $br is for "URI of the first branch" - see 
> http://www.opensips.org/index.php?n=Resources.DocsCoreVar#toc11
>
> none of the "branch" related pvs are related to the VIA header 
> "branch" param, but to the URIs of the branches (as a result of SIP 
> forking).
>
> But, why do you need the VIA branch param?
>
> Regards,
> Bogdan
>
> Ricardo Martins wrote:
>> Hi all!
>>
>> I´m using a script design that sequentially call 3 diferent r-uri on 
>> a specific gateway, one after the other, with only the 3rd one 
>> getting a succesfull response. I'm using two failure routes for that. 
>> Everything is working fine, except that I can't recover the branch 
>> string of those transactions.
>>
>> Using a sniffer I can see that every time the opensips execute the 
>> failure route and send a new INVITE to the gateway, the branch id on 
>> the via header has a new ".X" sufix, but when I try to get this 
>> string, using either xlog or acc, the pseudovariables $br or $bR are 
>> presented with NULL content.
>>
>> I was specting, on those pseudvariables, values like:
>> branch=z9hG4bK8f68.09e09367.0 for the 1st
>> branch=z9hG4bK8f68.09e09367.1 for the 2nd and
>> branch=z9hG4bK8f68.09e09367.2 for the 3rd.
>>
>>
>> Do anybody already tried to work with those branch pseudovariables? 
>> Did you get any result?
>>
>>
>> Regards to all!
>>
>> Ricardo Martins
>> Brasilia - Brasil
>>
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>>   
>
>