Video Conferencing

A videoconference (also known as a videoteleconference) is a set of interactive telecommunication technologies which allow two or more locations to interact via two-way video and audio transmissions simultaneously. It has also been called visual collaboration and is a type of groupware. It differs from videophone in that it is designed to serve a conference rather than individuals.
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<communications> A discussion between two or more groups of people who are in different places but can see and hear each other using electronic communications. Pictures and sound are carried by the telecommunication network and such conferences can take place across the world.
To overcome the bandwidth and latency limitations of current networks (especially the PSTN), some form of video compression is often used.
(1995-05-01)

using a screen on the TV or computer to talk to groups of people in real time.