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Re: [MMUSIC] WGLC on draft-ietf-mmusic-rfc8843bis-00

Paul Kyzivat <paul.kyzivat@comcast.net> Fri, 18 June 2021 16:17 UTC

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From: Paul Kyzivat <paul.kyzivat@comcast.net>
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Date: Fri, 18 Jun 2021 12:17:16 -0400
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Subject: Re: [MMUSIC] WGLC on draft-ietf-mmusic-rfc8843bis-00
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On 6/18/21 2:52 AM, Christer Holmberg wrote:
> Hi Roman,
> 
> Regarding offers for 3PPC, I think sending an initial offer needs to be 
> a generic O/A rule. I don’t think we can have SDP extension-specific rules.

I agree this *ought* to be a generic recommendation. But I don't think 
it is. So I think it would be helpful to say it in this document.

Note that this would be a recommendation (MAY). It can't really be 
mandatory, since for an initial offer the offerer has almost complete 
discretion.

	Thanks,
	Paul

> Regards,
> 
> Christer
> 
> Get Outlook for iOS <https://aka.ms/o0ukef>
> ------------------------------------------------------------------------
> *From:* Roman Shpount <roman@telurix.com>
> *Sent:* Thursday, June 17, 2021 11:40:50 PM
> *To:* Flemming Andreasen <fandreas=40cisco.com@dmarc.ietf.org>rg>; Christer 
> Holmberg <christer.holmberg@ericsson.com>
> *Cc:* mmusic <mmusic@ietf.org>
> *Subject:* Re: [MMUSIC] WGLC on draft-ietf-mmusic-rfc8843bis-00
> Hi Christer,
> 
> I have reviewed the document and document changes look good in removing 
> the inconsistencies with JSEP.
> 
> One question that I do have is related to third-party call control and 
> generating offers in response to INVITE with no SDP body. This is not 
> covered anywhere in this document. In order to work correctly thes 
> offers should be constructed the same ways as initial offers with 
> separate addresses and ports allocated for all m= lines which are not 
> bundle-only and port zero and bundle-only attribute set on all the 
> bundle-only m= lines.
> 
> Best Regards,
> _____________
> Roman Shpount
> 
> 
> On Tue, May 18, 2021 at 2:09 PM Flemming Andreasen 
> <fandreas=40cisco.com@dmarc.ietf.org 
> <mailto:40cisco.com@dmarc.ietf.org>> wrote:
> 
>     Greetings MMUSIC
> 
>     This is to announce a 2 week WGLC on the draft:
> 
>     https://www.ietf.org/archive/id/draft-ietf-mmusic-rfc8843bis-00.txt
>     <https://www.ietf.org/archive/id/draft-ietf-mmusic-rfc8843bis-00.txt>
> 
>     as Proposed Standard. Please note that changes in the document are
>     limited to what was agreed to at IET110 for JSEP alignment plus any
>     verified erratas. Please review and provide any comments you may
>     have on the document by Tuesday, June 1, 2021. Comments should be
>     sent to the document authors and the MMUSIC WG list. If you review
>     the document but do not have any comments, please send a note to
>     that effect as well.
> 
>     Thanks
> 
>     -- Flemming (MMUSIC co-chair)
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> 
> 
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