Name: draft-rajeshkumar-mmusic-gpmd-03
Title: SDP attribute for qualifying Media Formats with Generic Parameters
State: Pending
Authors: Rajesh Kumar, Flemming Andreasen
Group: Individual Submissions (none)
Date: 2003-05-20
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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