[Kamailio-Users] Contact field

[Alex R.S.M]

I am trying to modify 
Contact: <sip:8133740008 at 1.1.1.1;transport=udp;maddr=1.1.1.1>

to
Contact: <sip:8133740008 at 2.2.2.2;transport=udp;maddr=2.2.2.2>


I am using the following statement but it doesn't work:
 if ( subst('/^Contact:(.*)sip:[^@]*@([a-zA-Z0-9.]+);(.*)$/contact:\12.2.2.2;\2/ig') ) {};

Am I missing anything?

Thanks,
Alex



> Date: Wed, 19 Nov 2008 11:06:53 -0500
> From: abalashov at evaristesys.com
> To: alex_rsm at hotmail.com
> CC: users at lists.kamailio.org
> Subject: Re: [Kamailio-Users] Contact field
> 
> The various NAT traversal modules modify the Contact to suit their ends, 
> according to their own scheme.
> 
> There is a module that will allow you to modify any header to anything 
> you want:
> 
> http://www.kamailio.org/docs/modules/1.4.x/textops.html
> 
> 
> Alex R.S.M wrote:
> 
> > Hi,
> > 
> > Is there a function that can modify "Contact" field in SIP header?
> > 
> > Thanks,
> > Alex
> > 
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> 
> -- 
> Alex Balashov
> Evariste Systems
> Web    : http://www.evaristesys.com/
> Tel    : (+1) (678) 954-0670
> Direct : (+1) (678) 954-0671
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