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List:       sip-implementors
Subject:    RE: [Sip-implementors] End-toEnd TCP in Record-Routing
From:       "Chris Boulton" <cboulton () ubiquity ! net>
Date:       2003-06-20 15:47:57
Message-ID: 45730E094814E44488F789C1CDED27AE0219AFFE () gbnewp0758m ! eu ! ubiquity ! net
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Ali,

	If your ACK is going through the server, then you must have
record routed - so couldn't you use a transport parameter in the route
header = TCP.

Chris.


>-----Original Message-----
>From: Ali Ahmad Aziz [mailto:aaziz@indigosw.com]
>Sent: 20 June 2003 16:07
>To: sip-implementors@cs.columbia.edu
>Subject: [Sip-implementors] End-toEnd TCP in Record-Routing
>
>
>
>Dear all,
>
>Can someone guide me on what the best practise is to ensure end-to-end
>TCP with Record Routing e.g. in the SIP trapezoid
>topology below.
>
>UA1  -> P1 -> P2 -> UA2
>
>The problem is to send an ACK to a 200 in TCP from P1 to P2; since the
>Request-Uri in the ACK will have a numeric IP in the host part and no
>SRV lookup will be performed. UA1 and UA2 are both using TCP.
>
>--Ali
>
>___________________________________
>ALI AHMAD AZIZ <aaziz@indigosw.com>
>Software Engineer
>
>Indigo Software, Inc.
>www.indigosw.com
>___________________________________
>
>
>_______________________________________________
>Sip-implementors mailing list
>Sip-implementors@cs.columbia.edu
>http://lists.cs.columbia.edu/mailman/listinfo/sip-implementors

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