When three or more people at two or more sites communicate interactively. The participants can both see and hear the others.
A discussion made possible by electronic communications between two or more people in different locations. Participants view each other on screens; real-time sound and video is transmitted between locations via the network. (See the Classroom Technology Services Web site.)
A two-way electronic communications system that permits two or more persons in different locations to engage in the equivalent of face-to-face audio and video communications. At its simplest, a phone call with pictures.