Communicate in real time with two or more people at different locations via video is called Video Conferencing.
Involves using video and audio signals to link participants at different and locations for a specific purpose.

Using a computer, video camera, and network such as the Internet, to conduct a live conference between two or more people.
Video conferencing is an extremely useful method of communication because it saves people the time and expense of travel and can often accomplish many of the things a physical meeting can.