We present a specification in Z of the framework of a teleconferencing system, which combines text, computer graphics, video, audio and other features in a computer display. Teleconferencing systems offer the possibility to organize international meetings via internet.

CWI
Department of Computer Science [CS]

Bonini, C., Fokkink, W.& Lesch, A. (1995). A reference model for teleconferencing systems. In Department of Computer Science [CS] ( R 9502). CWI.