A conferencing unit allows first persons at remote locations to communicate with second persons at a central location. The unit receives respective videos of the first persons and a video of the second persons and outputs: the videos of the first persons to a central display at the central location such that the first persons are displayed on respective portions of the central display; the video of the second persons to remote displays respectively at the remote locations such that the second persons are displayed on one portion of each remote display; the video of one of the first persons to the display of another one of the first persons such that the one person is displayed on another portion of this display; and the video of the other person to the display of the one person such that the other person is displayed on another portion of this display.