Footnote [31]:
Some of web-sites of televideo and Internet telephony are;

BeingThere: http://www.beingthere.com
CineVideo: http://www.cinecom.com
Connectix Video Phone: http://www.connectix.com
CoolTalk: http://www.netscape.com
CU-SeeMe: http://www.wpine.com
(free of charge for demo version with 30 day limitation)
or,
http://cu-seeme.cornell.edu
(free of charge for permanent use)
FreeTel: http://www.freetel.com
Picturetel: http://www.picturetel.com
PowWow: http://www.tribal.com
Proshare: http://www.intel.com
RealAudio: http://www.realaudio.com
ShareVision at Creative Labs: http://www.creaf.com
Vidcall: http://www.intercon.net/~elite/
VideoPhone: http://www.specom.com
VisionTime: http://www.specom.com
VivoActive Producer: http://www.vivo.com
VocalTec's Iphone (Internet telephony): http://www.vocaltec.com
(free of charge for demo version with 14 day limitation)
Von Coalition: http://www.von.org
VoxWare: http://www.voxware.com
More comprehensive listing can be obtained at; http://www.visc.vt.edu/succeed/videoconf.html
or,
http://www.kn.pacbell.com/wired/vidconf/