Technologists (P6 die photo)

Mainstram Videoconferencing

Joe Duran
Charlie Sauer

DuranSauer1.12.pdf, February 14, 2008

Mainstream Videoconferencing
[pages originally available on aw.com (Addison-Wesley)]

Book People, February 27, 1997

InView, December 2, 1999

Videoconferencing Snapshot, January 30, 2002

 Circuit SwitchedPacket Switched
Umbrella SpecificationH.320H.323SIP
Minimal Connection2 B-Channels (128Kb)
16+Kb voice
100+Kb video
256Kb
"2X ISDN"
"Good" Connection6 B-Channels (384Kb)
16+Kb voice
350+Kb video
784Kb
"2X ISDN"
Audio CodecG.711 (64Kb)
G.728 (16Kb)
G.711 (64Kb)
G.723 (6Kb)
Video CodecH.261H.263
Distance Multimedia: 4 score & more