| 摘要 |
PROBLEM TO BE SOLVED: To provide the acceptance system of an interphone for providing the acceptance system with improved security performance by an appropriate acceptance staff by coping with the interphones being provided at each gate or outside the gate of a plurality of houses from a central control center. SOLUTION: A master telephone 2a of the interphone arranged at the inside 1 a of a house can communicate with the central control center 3 via a communication network 4, Also, by switching an absence switch 8, a slave telephone 2b arranged at the gate or outside 1b the gate can communication with the central control center 3. A camera 5, a microphone, a speaker 6, and the like of the slave telephone 2b can be remotely controlled by the central control center 1.
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