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List:       sip-implementors
Subject:    Re: [Sip-implementors] Question regarding ACK for 2xx reponse
From:       "Bob Beers" <bob.beers () gmail ! com>
Date:       2007-07-20 13:41:43
Message-ID: 4f6ba3b0707200641s6865cb6pe04279acacfda14d () mail ! gmail ! com
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On 7/20/07, Anshuman S. Rawat <arawat@3clogic.com> wrote:
> Hi All,
>
> I have a setup where UA-A calls UA-B. The call setup faces the problem that
> UA-B never sees the ACK sent by UA-A.
>
> Ethereal snapshot of the INVITE-200OK-ACK seen at UA-A is pasted here for
> reference.
>
>
<snip trace>

> >From my understanding, the ACK should have the same CSeq number and branch
> param as the INVITE it is acknowledging, which is the case above. However
> the R-URI of ACK is different from that of INVITE. I am not sure if the
> R-URIs also need to match.
>
> Any thoughts?

200 ok has --
 Contact:
<sip:arawat%403clogic.com@192.168.2.62:2009;LINEID=4a467003fad2>

which ACK is using in R-URI.  Is that reachable?

-Bob

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