Re: [MMUSIC] IANA registration of the "image" media type in SDP

["Noriyuki SATO" <[e-mail]>]

Hi Gonzalo and MMUSIC chairs,
On behalf of CIAJ folks - we expect and support this work.

Thanks!
---
OKI Electric Industry Co., Ltd.
Noriyuki Sato ([e-mail])
Tel [phone]
Fax [phone]


> -----Original Message-----
> From: [e-mail] [mailto:[e-mail]] On Behalf
Of
> Gonzalo Salgueiro
> Sent: Monday, April 04, 2011 10:44 PM
> To: Miguel A. Garcia
> Cc: Magnus Westerlund; DRAGE, Keith (Keith); mmusic
> Subject: Re: [MMUSIC] IANA registration of the "image" media type in SDP
> 
> Miguel -
> 
> I'll get it submitted very soon.
> 
> Gonzalo
> 
> 
> On Apr 4, 2011, at 8:25 AM, Miguel A. Garcia wrote:
> 
> 
> 	I had a chat with the IANA staff in Prague, and they said that they
> could create the missing registry from RFC 4566. I can take the action
point
> of making sure the registry is created.
> 
> 	Then, there were comments on the list advocating for the creation of
> a simple I-D adding the missing 'image' media type from RFC 4566. If
Gonzalo
> or someone else can create this draft, we should be able to use to
complete
> our plan.
> 
> 	/Miguel
> 
> 	On 01/04/2011 9:56, Magnus Westerlund wrote:
> 
> 
> 		Gonzalo Salgueiro skrev 2011-03-31 15:52:
> 
> 
> 			Almost a year ago Kevin Fleming and I had this
> discussion. We ran into
> 
> 
> 			this issue in the course of working with the ITU-T
> on a SIP Forum FoIP
> 
> 
> 			TG initiated contribution to T.38. When updating
> references from RFC
> 
> 
> 			2327  to RFC 4566, we came across the fact that in
> RFC 2327 the
> 
> 
> 			possible values for the 'media' type are documented
> as sharing the name
> 
> 
> 			space with the top-level media content types in the
> MIME (RFC 2048)
> 
> 
> 			registry, whereas in RFC 4566 this statement does
> not appear. RFC 4566
> 
> 
> 			does contain language that would appear to include
> such top-level media
> 
> 
> 			content types as valid 'media' types in SDP, but
also
> establishes a new
> 
> 
> 			SDP-specific 'media' type registry. The MIME
> top-level media content
> 
> 
> 			registry *does* have a registration for 'image'. As
> you correctly note,
> 
> 
> 			IANA does not appear to have
> 
> 
> 			actually created an SDP media type registry (and
> populated it with
> 
> 
> 			the values from RFC 4566). As a result of this we
> intended to write the
> 
> 
> 			I-D for consideration by MMUSIC to register the
> 'image' media type for
> 
> 
> 			SDP. We'll happily submit this if the group agrees.
> 
> 
> 
> 
> 		Isn't it simpler to just point at the media types registry
> in general.
> 
> 
> 		Not indicate which of the existing media types that might or
> might not
> 
> 
> 		be used in SDP. That way you don't have to change the SDP
> specification
> 
> 
> 		if anyone creates a new top media level type.
> 
> 
> 
> 		Cheers
> 
> 
> 
> 		Magnus Westerlund
> 
> 
> 
> 
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> 	--
> 	Miguel A. Garcia
> 	[phone]
> 	Ericsson Spain
> 
>