So, did you use or see that program which you can't remember.

Nope. Then i would probably have remembered it's name... But you can find some of it here: http://www.google.com/search?hl=en&safe=off&q=open+source+video+conferencing... Integrating this so you lauch the software via a Link in a zope server should be possible. -- Lennart Regebro, Nuxeo http://www.nuxeo.com/ CPS Content Management http://www.cps-project.org/