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List:       sip-implementors
Subject:    Re: [Sip-implementors] Handling multiple record route headers
From:       Pandurangan R S <pandurangan.r.s () gmail ! com>
Date:       2010-02-22 11:16:52
Message-ID: 5e744e3d1002220304lde2457dr4476ff693ff13e88 () mail ! gmail ! com
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RFC 5658. Section 5.

On Mon, Feb 22, 2010 at 3:15 PM, SCG2 <sgregor1@gotadsl.co.uk> wrote:
> Hi,
>
>
>
> I am receiving a:
>
>
>
>
>
> SIP/2.0 200 OK
>
> From:  <sip:a@b.c.e.f>;tag=2A515F7C-E78
>
> To:  <sip:a@b.c.e.f>;tag=2852349aa700191083d2e580b676d2c3
>
> Via: SIP/2.0/UDP
> a@b.c.e.f;branch=74120f13ef6c47555033517203dcd8ee.4;rport=5060;received=a.b.
> c.d
>
> Via: SIP/2.0/UDP a@b.c.e.f;branch=a3cfdc1207b90334f3dd00bc032115bf.2
>
> Via: SIP/2.0/UDP a@b.c.e.f;branch=z9hG4bK4305421055
>
> CSeq: 101 INVITE
>
> Call-ID: 8CC00261@b.c.e.f
>
> Contact: <sip:a@b.c.e.f:53255>
>
> Record-Route: <sip:x@a.b.c.d:5060>, <sip:x@a.b.c.d:5166>
>
> Record-Route: <sip:a.b.c.d:4144>
>
> Content-Type: application/sdp
>
> Content-Length: 206
>
> ...
>
>
>
>
>
> from a UAS.
>
>
>
>
>
> Can someone tell me how that double record route should be expressed in a
> sinlge Record-Route header I might pass on to the calling UAC please?
>
>
>
> Specifically, should the 2nd record route be placed at the start or the end
> of the first when amalgamating them?
>
>
>
> And whatever the answer, is that always the rule?
>
>
>
> Can't find anything in the RFCs I've loked at.
>
>
>
> Many thanks.
>
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>


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