Subject: [MMUSIC] Question about draft-ietf-mmusic-sdp-media-capabilities-03.txt

From: "Guangwu.He" <[email-masked]>
Date: Thu, 06 Mar 2008 10:03:11 +0800

Hi,all
 
I have a question:
 
SDPCapNeg define a=acap:
A new attribute ("a=acap") that defines how to list an attribute name and
its associated value (if any) as a capability.
e.g. a=acap:1 rtcp-fb:0 nack 
 
and SDPMedCap define a=mscap:
Media-specific attributes, beyond the rtpmap and fmtp attributes.
e.g. a=mscap:1 rtcp-fb ccm tstr
 
above of examples can find in two drafts.
 
I can't understand the difference between the two attributes, or they are
repeating defined?

Thanks & Regards,

Guangwu.He 

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