[SR-Users] Checking if a reply is part of a forked transaction

[Daniel-Constantin Mierla]

If you do lookup(...), then you can use $branch(count) to see how many
branches are:

  -
https://www.kamailio.org/wiki/cookbooks/4.4.x/pseudovariables#branch_name_-_branch_attributes

The solution with flags mentioned by Alex is a good one.

Cheers,
Daniel

On 24/08/16 22:03, Phil Lavin wrote:
> We're already doing some logic before forking and we considered tracking call IDs in a hash table... but your idea sounds interesting (better). I wonder if we can add a parameter to one of the headers in the request. Will explore this tomorrow.
>
>
> Cheers  
>
> -----Original Message-----
> From: sr-users [mailto:sr-users-bounces at lists.sip-router.org] On Behalf Of Daniel Tryba
> Sent: 24 August 2016 17:46
> To: Kamailio (SER) - Users Mailing List <sr-users at lists.sip-router.org>
> Subject: Re: [SR-Users] Checking if a reply is part of a forked transaction
>
> On Wed, Aug 24, 2016 at 03:36:16PM +0000, Phil Lavin wrote:
>> We need to check if a 1XX reply is part of an INVITE transaction that 
>> was forked to 2 or more phones. We figure that we can do a location 
>> lookup, based on the to header of the 1XX... but is there a better 
>> way?
> It looks like can tell you how many contacts there are before forking.
> http://www.kamailio.org/docs/modules/4.4.x/modules/registrar.html#registrar.f.reg_fetch_contacts
> and append that somewhere in the request to to the to or via or seomtheing like that....
>
>
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-- 
Daniel-Constantin Mierla
http://www.asipto.com - http://www.kamailio.org
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