Re: [rtcweb] Agenda requests for Atlanta meeting

"Parthasarathi R" <partha@parthasarathi.co.in> Mon, 15 October 2012 17:55 UTC

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From: "Parthasarathi R" <partha@parthasarathi.co.in>
To: "'Cullen Jennings \(fluffy\)'" <fluffy@cisco.com>, "'Christer Holmberg'" <christer.holmberg@ericsson.com>
References: <506B0367.4000103@ericsson.com> <C5E08FE080ACFD4DAE31E4BDBF944EB111867718@xmb-aln-x02.cisco.com> <7F2072F1E0DE894DA4B517B93C6A0585340BAD03A6@ESESSCMS0356.eemea.ericsson.se> <C5E08FE080ACFD4DAE31E4BDBF944EB11187F8F1@xmb-aln-x02.cisco.com> <7F2072F1E0DE894DA4B517B93C6A0585340BAD087E@ESESSCMS0356.eemea.ericsson.se> <C5E08FE080ACFD4DAE31E4BDBF944EB1118810C3@xmb-aln-x02.cisco.com>, <CABkgnnV8YbbPi3pZt9mBjBfSgkx4EgL=EY0YogpeRobUMQ506w@mail.gmail.com> <7F2072F1E0DE894DA4B517B93C6A0585340BAFAA6B@ESESSCMS0356.eemea.ericsson.se> <C5E08FE080ACFD4DAE31E4BDBF944EB1118819FB@xmb-aln-x02.cisco.com> <000b01cda720$bd5097a0$37f1c6e0$@co.in>, <C5E08FE080ACFD4DAE31E4BDBF944EB11188661A@xmb-aln-x02.cisco.com> <7F2072F1E0DE894DA4B517B93C6A0585340BAFAA86@ESESSCMS0356.eemea.ericsson.se> <C5E08FE080ACFD4DAE31E4BDBF944EB111888AC9@xmb-aln-x02.cisco.com>
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Date: Mon, 15 Oct 2012 23:25:12 +0530
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Cc: rtcweb@ietf.org
Subject: Re: [rtcweb] Agenda requests for Atlanta meeting
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Cullen,

As you mentioned in another mail thread, the discussion is about mapping
UPDATE with SDP just after reliable 18x with SDP in JSEP PRANSWER state.
Hope you agree that PRANSWER does not address UPDATE with SDP (OFFER from
remote) in the early dialog scenario.

Thanks
Partha

-----Original Message-----
From: Cullen Jennings (fluffy) [mailto:fluffy@cisco.com] 
Sent: Saturday, October 13, 2012 7:52 AM
To: Christer Holmberg
Cc: Parthasarathi R; <rtcweb@ietf.org>
Subject: Re: [rtcweb] Agenda requests for Atlanta meeting


On Oct 12, 2012, at 11:43 AM, Christer Holmberg
<christer.holmberg@ericsson.com> wrote:

> Hi,
> 
>> I fully agree this needs to work early media to PSTN via SIP. I don't see
any problem with doing that. I'm happy to work through detail call flows to
make sure that early media to PSTN works.
>> 
>> Update after a 180 is not allowed by the Update RFC as I pointed out in
other email exactly because just in SIP with no RTCP web, the UA that caret
the invite would not have enough information to be able to process this as
you point in the thread below.
> 
> As far as I know, UPDATE is allowed after a reliable 180. If you don't
agree, please show me the text which forbids it :)
> 
> Regards,

I agree - but it's not ok after a normal 180