| 摘要 |
PROBLEM TO BE SOLVED: To solve a problem that voice in a bathroom B may be listened in when a microphone is attached to an interphone slave unit 2 side, in a case of a call between the interphone slave unit 2 installed in the bathroom B and an interphone slave unit T installed in a kitchen K. SOLUTION: The microphone is not mounted on the slave unit 2 in the bathroom B, and a message displayed on a display portion 22 is selected by an operation switch 23. When a signal of a number corresponding to the selected message is transmitted to an interphone slave unit 3, a control portion 32 calls out voice data corresponding to the number from a memory 31, and reproduces the same from a speaker 33 to sound the same at the kitchen K. COPYRIGHT: (C)2007,JPO&INPIT
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