| 摘要 |
A method allowing the audio and video signals of an intercom system to be extended to a mobile communication device via Internet is provided. A server device functions as a relay between a residence-end device of the intercom system and a mobile communication device. The server device is able to forward the audio and video signals from the residence-end device to the mobile communication device through the Internet. Correspondingly, the voice, video, and control signals from the mobile communication device are passed to the server device which in turn feeds the signals to the voice, video, and control circuits of the residence-end device.
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