A communication apparatus of the present invention has a function of displaying a plurality of video images on a same screen. The communication apparatus includes a first synthesizing unit with synthesizing video data transmitted from a remote communication terminal and video data on a local communication terminal so that a video image on the remote communication terminal and a video image on the local communication terminal are displayed on the same screen in accordance with display layout information common to the remote communication terminal to the local communication terminal that is determined based on a display video image number on the remote communication terminal and a display video image number on the local communication terminal, and a display unit which displays video images corresponding to the synthesized video data obtained by the first synthesizing unit.

 
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