[Kamailio-Users] incorrect tag in ACK message

[Klaus Darilion]

Alex R.S.M schrieb:
> Caller make a single call, kamailio forks the INVITE and relay the call 
> to two end-point. Both end-points response with 180.
> One end-point reponses with 200. Caller send ACK with the incorrect tag 
> value.
> I need to drop one of the 180 (the one which didn't answer the call).
> I believe I should be able to drop it in onreply_route block. Correct?

You can not drop the proper 180 as you do not know yet which branch will 
send the 200 OK.

A dirty hack (but very well working) is to use a regular expression in 
reply route and remove the to-tag from all 1xx responses - so the 
softswitch can learn the tag only with the 200 ok.

klaus


>  
> 
>  > Date: Mon, 17 Nov 2008 11:07:54 -0500
>  > From: abalashov at evaristesys.com
>  > To: alex_rsm at hotmail.com
>  > CC: klaus.mailinglists at pernau.at; users at lists.kamailio.org
>  > Subject: Re: [Kamailio-Users] incorrect tag in ACK message
>  >
>  > Alex R.S.M wrote:
>  >
>  > > Klaus,
>  > >
>  > > Thank you for the response.
>  > > Found the problem.
>  >
>  > I'd be curious to know what it was.
>  >
>  > --
>  > Alex Balashov
>  > Evariste Systems
>  > Web : http://www.evaristesys.com/
>  > Tel : (+1) (678) 954-0670
>  > Direct : (+1) (678) 954-0671
>  > Mobile : (+1) (706) 338-8599
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