RTSP: Real-Time Streaming Protocol

General information about RTSP provided by Dr. Henning Schulzrinne of Columbia University
http://www.cs.columbia.edu/~hgs/rtsp/

rtsp.org

Information about the RTSP and about related protocols for streaming servers, clients and infrastructure. Includes pointers to current specifications, draft specifications, FAQs, implementations, and history. Provided by RealNetworks.
http://www.rtsp.org

Internet Streaming Media Alliance (ISMA)

Group promoting the use of RTSP, RTP, and a subset of the MPEG-4 specification.
http://www.isma.tv

RFC 2326

Official RTSP specification, published by the Internet Engineering Task Force (IETF)
http://www.ietf.org/rfc/rfc2326.txt

IETF Multiparty Multimedia Session Control (mmusic) Working Group

Responsible for the creation and maintenance of the RTSP specification
http://www.ietf.org/html.charters/mmusic-charter.html

IMTC Packet Switched Streaming Activity Group

Group of network infrastructure manufacturers, carriers, handset vendors, streaming multimedia vendors and content providers working on interoperability surrounding streaming media protocols.
http://www.imtc.org/act_pssbody.htm

SourceForge RTSP Specification Tracker

Official issue/errata list for RTSP, from which the future version of the RTSP specification will be made.
http://sourceforge.net/projects/rtspspec

Unofficial IETF MMUSIC WG Page

Information about meetings and documents of the Multiparty Multimedia Session Control WG within the Transport Area of the IETF
http://www.dmn.tzi.org/ietf/mmusic/