[SR-Users] VIA header x-route-tag

[alex pappas]

Marius hi,

I got the value I needed with:

$avp(s:xroutetag) =
$(hdr(Via){re.subst,/^SIP(.*)x-route-tag="tgrp:(.*)(")/\2/});

You are right about Daniels way so I will continue trying in that.

Thanks for your time

Alex




On Wed, Dec 1, 2010 at 10:26 AM, Marius Zbihlei <Marius.Zbihlei at 1and1.ro>wrote:

> Hello Alex,
>
> Can't test it right now, but it should work better with this :
>
> $var(s:xroutetag) = $(hdr(Via){re.subst,/^.*;x-route-tag="(.*)"/\1/})
>
> You want to substitute (only affects $var) the whole via header with the
> regex found between () and referenced by \1. Keep in mind that Daniel's
> solution is more elegant and should work for you.
>
> Marius
>
> ________________________________________
> From: alex pappas [rebel.pappas at gmail.com]
> Sent: Wednesday, December 01, 2010 9:15 AM
> To: Marius Zbihlei
> Cc: sr-users at lists.sip-router.org
> Subject: Re: [SR-Users] VIA header x-route-tag
>
> Marius hi,
>
> Thank you for your replay.
> With the regular expression you provided me I get "SIP/2.0/UDP
>  172.16.0.13:5060;tgrp:TNDEM-ACR"
>
> Can I isolate only tgrp:TNDEM-ACR ?
>
> Thank you
> Alex
>
>
> On Tue, Nov 30, 2010 at 5:07 PM, marius zbihlei <marius.zbihlei at 1and1.ro
> <mailto:marius.zbihlei at 1and1.ro>> wrote:
> On 11/30/2010 01:58 PM, alex pappas wrote:
> Dear All,
>
> We have some cisco gw that they send to the Kamailio in the first invite
> and inside the VIA header an x-route-tag="The Gateway that the call
> entered".
>
> I'm trying to add this to the acc module in order to have it recorded but
> without sucess.
> My config is this:
>
> if (search("x-route-tag"))
>        {
>                avp(s:xroutetag) = $sel(@via);
>                xlog("----- We have a x-route-tag in the SIP msg avp:
> $avp(s:xroutetag) -----");
>        };
>
> I'm trying to add the VIA header to an avp so I could manipulate the string
> but i cannot implement this.
>
> Does anyone can suggest a way to add the x-route-tag value to an AVP?
>
> Thank you in advance
>
> Alex
>
> sample VIA header:  Via: SIP/2.0/UDP  10.0.0.15:5060<http://10.0.0.15:5060
> >;x-route-tag="tgrp:TANDEM-KOR"
>
> Hello,
>
> You can use transformations
> http://kamailio.org/dokuwiki/doku.php/transformations:3.1.x . This should
> to the trick: (careful on needed modules)
>
>
> $var(s:xroutetag) = $(hdr(Via){re.subst,/x-route-tag="(.*)"/\1/});
>
>
>
>
> Cheers,
> Marius
>
>
>
>
>
>
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