A New Internet-Draft is available from the on-line Internet-Drafts directories.
Title : SDP attribute for qualifying Media Formats with
Generic Parameters
Author(s) : R. Kumar, F. Andreasen
Filename : draft-rajeshkumar-mmusic-gpmd-02.txt
Pages : 10
Date : 2003-3-5
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 therefore 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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