| 摘要 |
PROBLEM TO BE SOLVED: To provide an interphone system in which convenience of a speech between a visitor and a responder is enhanced. SOLUTION: In the interphone system provided with a slave unit installed outdoor, the slave unit having a plurality of call buttons corresponding to responders to be called, and a master unit installed indoor, the master unit having a notice means for informing the responder corresponding to the call button from the slave unit about the call from the slave unit, wherein the master unit responds to a call from the slave unit to attain a speech between the slave unit and the master unit, the master unit includes: a function storage section by call buttons for storing operating information for each call button and information of an external terminal making a speech at a place apart from the master unit; and a transfer processing section for performing transfer processing to attain a speech between the slave unit and the external terminal in response to the operating information stored in the function storage section by the call buttons. COPYRIGHT: (C)2004,JPO
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