| 摘要 |
PROBLEM TO BE SOLVED: To enhance convenience of a call operation by calling a plurality of dwellers by the respective room numbers or names. SOLUTION: A plurality of room numbers or a plurality of names to be assigned to one sitting room master machine as one common address by every one of sitting room master machines 1a, 1b,... by control of a common entrance machine CPU 306 of the common entrance machine 3 or a management room master machine 206 of a management room master machine 2, are stored in a common entrance machine memory 305 or a management room master machine memory 205 and the one common address is stored in a sitting room master machine memory 103 of the sitting room master machine. In addition, patterns of call tones output from a sitting room master machine speaker 100 are varied by difference of room numbers or names by control of a sitting room master machine CPU 104 of the sitting room master machine. COPYRIGHT: (C)2007,JPO&INPIT
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