(RFC 4573 published July 2006, subtype last updated July 2006) MIME media type name: application MIME subtype name: H224 Required parameters: None Optional parameters: None Encoding considerations: This media type is framed (see H.323, Annex Q [ITU.H323]) and contains binary data; see Section 4.8 of [RFC4288] Security considerations: See Section 6 of RFC 4573. Interoperability considerations: Terminals sending simple far-end camera control commands should use this MIME type. Receivers who cannot support the protocol will reject the channel. Published specification: RFC 4573 Applications that use this media type: Video conferencing applications. Additional information: None Person and email address to contact for further information: Roni Even: roni.even&polycom.co.il Intended usage: COMMON Restrictions on usage: This media type depends on RTP framing and thus is only defined for transfer via RTP [RFC3550]. Transport within other framing protocols is not defined at this time. Author: Roni Even Change controller: IETF Audio/Video Transport working group, delegated from the IESG.