HELP! * GREY=local LOCAL HTML version of Foils prepared July 6,1995
Foil 25 Videoconferencing Standards
From CPS600 Collaboration Presentation CPS600 Spring Semester 1995 Technologies for the Information Age -- March 1995. by Roman Markowski and Geoffrey Fox * See also color IMAGE
Today's videoconferencing systems are proprietary, requiring identical technology at each end of conference
Around 30 products and half as many protocols
Videoconferencing solutions are tied to one platform, special hardware or special network protocols
Some multivendor standards exist
T.120 - cross platform file and data exchange
F.700 - videotelephony and Videoconference standards (CCITT,93)
G.700 - CCITT,92
H.231 - covers Multipoint Control Units
H.233 - specifies the data encryption methodologies
H.241 - Signalling for conferencing
H.261 - compression component of H.320
H.320 - dominant standard developed by ITU-T; teleconferencing audio and video protocols
H.KEY, T.120, CIF, QCIF
Northeast Parallel Architectures Center, Syracuse University, npac@npac.syr.edu If you have any comments about this server, send e-mail to webmaster@npac.syr.edu.
