RE: [MMUSIC] I-D ACTION:draft-ietf-mmusic-sdp-media-capabilities-01.txt

Hi

Reading the draft I have the following simple question 
Would it be possible, based on all the possible attributes given in 
http://tools.ietf.org/id/draft-ietf-avt-rtp-amr-bis-06.txt
to formulate an SDP offer like the one below. 
I am not sure that it is possible to combine several cmft's in the pcfg
in the f=x,y,z.. way that I written below, it is possible that it is
sematically incorrect, anyway comments welcome.
Regards
Ingemar
======================== 
a=creq:v1
a=cmed:1 AMR
a=cfmt:1 mode-change-capability=1;
a=cfmt:2 mode-change-capability=2;
a=cfmt:3 max-red=220;
a=cfmt:4 octet-align=1;
a=cfmt:5 mode-change-neighbor=1; 
a=cfmt:6 mode-change-period=2;
a=cfmt:7 mode-set=0,2,4,7;
a=cfmt:8 mode-set=0,3,5,6;
a=cenc:1 16000/1
a=cenc:2 8000/1
m=audio 49152 RTP/AVP 97
a=rtpmap:97 AMR/16000/1
a=fmtp:97 mode-change-capability=2; max-red=220
pcfg:1 m=(1 f=1,3,7 e=1 pt=98)|(1 f=1,3,8 e=2 pt=99)
pcfg:2 m=(1 f=1,3,4,7 e=1 pt=98)|(1 f=1,3,4,8 e=2 pt=99)
pcfg:3 m=(1 f=2,4,7 e=1 pt=98)|(1 f=2,4,8 e=2 pt=99)
======================== 

> -----Original Message-----
> From: Internet-Drafts@ietf.org [mailto:Internet-Drafts@ietf.org] 
> Sent: den 21 februari 2007 16:50
> To: i-d-announce@ietf.org
> Cc: mmusic@ietf.org
> Subject: [MMUSIC] I-D 
> ACTION:draft-ietf-mmusic-sdp-media-capabilities-01.txt
> 
> A New Internet-Draft is available from the on-line 
> Internet-Drafts directories.
> This draft is a work item of the Multiparty Multimedia 
> Session Control Working Group of the IETF.
> 
> 	Title		: SDP media capabilities Negotiation
> 	Author(s)	: F. Andreasen, et al.
> 	Filename	: 
> draft-ietf-mmusic-sdp-media-capabilities-01.txt
> 	Pages		: 22
> 	Date		: 2007-2-21
> 	
> Session Description Protocol (SDP) capability negotiation provides a
>    general framework for negotiating capabilities in SDP.  The base
>    framework defines only capabilities for negotiating transport
>    protocols and attributes.  In this document, we extend the 
> framework
>    by defining media capabilities that can be used to negotiate media
>    types and their associated parameters.
> 
> A URL for this Internet-Draft is:
> http://www.ietf.org/internet-drafts/draft-ietf-mmusic-sdp-medi
> a-capabilities-01.txt
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