I-D ACTION:draft-rajeshkumar-mmusic-gpmd-03.txt

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	Title		: SDP attribute for qualifying Media Formats with 
                          Generic Parameters
	Author(s)	: R. Kumar, F. Andreasen
	Filename	: draft-rajeshkumar-mmusic-gpmd-03.txt
	Pages		: 12
	Date		: 2003-5-20
	
This document defines a new SDP attribute called general-purpose 
media descriptor (gpmd).  The gpmd attribute allows the use of new 
informative parameters, gpmd parameters, to qualify existing media 
formats.  These gpmd parameters are not part of the standard (e.g., 
MIME) definition of the media format and support for them with a 
given media format can not be assumed.  Their use is therefore 
limited to cases where they provide information that may be of use to 
the other party in a session but is not critical to the use of the 
particular media format.  This document also defines a specific gpmd 
parameter, voice-band data, which can be used to describe a media 
format as carrying voice-band data.  This enables the receiver to 
optimize its handling of the media received.

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