Re: [MMUSIC] BUNDLE Weekly Summary: Assumptions

Eric Rescorla <ekr@rtfm.com> Fri, 10 May 2013 22:18 UTC

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From: Eric Rescorla <ekr@rtfm.com>
Date: Fri, 10 May 2013 15:17:54 -0700
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To: Martin Thomson <martin.thomson@gmail.com>
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Cc: "Cullen Jennings \(fluffy\)" <fluffy@cisco.com>, "mmusic@ietf.org" <mmusic@ietf.org>, Christer Holmberg <christer.holmberg@ericsson.com>
Subject: Re: [MMUSIC] BUNDLE Weekly Summary: Assumptions
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On Fri, May 10, 2013 at 3:16 PM, Martin Thomson <martin.thomson@gmail.com>wrote;wrote:

> On 10 May 2013 15:05, Eric Rescorla <ekr@rtfm.com> wrote:
> > I'm sorry to be slow today, but can you point me to the specific MUST
> NOT in
> > RFC 5888.
>
> I struggled to find it too.  It's in 9.2:
>
>    SIP entities refuse media streams by setting the port to zero in the
>    corresponding "m" line. "a=group" lines MUST NOT contain
>    identification-tags that correspond to "m" lines with the port set to
>    zero.
>

This feels like something we could relax for the offer.