[Kamailio-Users] incorrect tag in ACK message

[Alex R.S.M]

Alex,

The other end-point is a softswitch. I made a direct test call excluding kamailio. Everything was fine, calls go thru with correct tag value. 



> Date: Mon, 17 Nov 2008 10:10:26 -0500
> From: abalashov at evaristesys.com
> To: alex_rsm at hotmail.com
> CC: users at lists.kamailio.org
> Subject: Re: [Kamailio-Users] incorrect tag in ACK message
> 
> Alex,
> 
> Are you sure this is not a bug with the other endpoint (the other side 
> of the call)?  The end-to-end ACK for the 200 OK would have to originate 
> from it and Kamailio would merely be relaying it.  Is it possible that 
> it is in fact that UA which is ignoring the To tag in the 200 OK from 
> 1.1.1.1?
> 
> -- Alex
> 
> 
> Alex R.S.M wrote:
> 
> > Hi,
> > 
> > I made a simple SIP test call. The end point reply to kamailio with 180, 
> > 200 messages. The end point includes "tag=1_1555_t58918_125k" in TO 
> > field of these messages. However, kamailio reply with ACK message that 
> > includes a random tag (tag=5f08ae5f) in TO field. This tag is not the 
> > same as the one sent by the end point:
> > 
> > 1.1.1.1   end-point ip address
> > 2.2.2.2   kamailio ip address
> > 
> > INVITE
> > From: <sip:1.1.1.1 at 2.2.2.2>;tag=snl-1226930829-1404351227071264-11
> > To: <sip:14078789913 at x.x.x.x;user=phone>
> > Call-ID: 9280396221-9479318750707221-11-7604239022
> > 
> > 180
> > From: <sip:1.1.1.1 at 2.2.2.2>;tag=snl-1226930829-1404351227071264-11
> > To: <sip:14078789913 at x.x.x.x;user=phone>;*tag=1_1555_t58918_125k*
> > Call-ID: 9280396221-9479318750707221-11-7604239022
> > 
> > 200
> > From: <sip:1.1.1.1 at 2.2.2.2>;tag=snl-1226930829-1404351227071264-11
> > To: <sip:14078789913 at x.x.x.x;user=phone>;*tag=1_1555_t58918_125k*
> > Call-ID: 9280396221-9479318750707221-11-7604239022
> > 
> > ACK
> > From: <sip:1.1.1.1 at 2.2.2.2>;tag=snl-1226930829-1404351227071264-11
> > To: <sip:14078789913 at 2.2.2.2;user=phone>;*tag=5f08ae5f*
> > Call-ID: 9280396221-9479318750707221-11-7604239022
> > 
> > How can I force it to send the correct tag?
> 
> -- 
> 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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