| 摘要 |
PROBLEM TO BE SOLVED: To provide a visitor response system wherein a visitor can immediately be confirmed in a house and the visitor can be confirmed even when outing with the same mobile phone carried. SOLUTION: A home gateway 12 transmits an image signal of the visitor photographed by an interphone slave unit 18 to the mobile phone 22 by means of the Bluetooth, and only when the transmission is failed, the home gateway 12 transmits the image signal to the mobile phone 22 through an application server 20. COPYRIGHT: (C)2008,JPO&INPIT
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