| 摘要 |
A communication system includes a communication apparatus having memory, telephone controller, voice processor, network interface, display drive, and key interface. The communication system also includes a door intercom home apparatus, a door intercom with a camera, a TV, a video recorder, and a home gateway. The communication apparatus executes voice communication with the door intercom with camera while TV 4 executes an image display function that is not provided in the communication apparatus.
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