| 摘要 |
PROBLEM TO BE SOLVED: To provide a telephone exchange system for communicating with a maintenance personal operating a maintenance work even when the location is not known. SOLUTION: When maintenance exclusive terminals 4-1-4-k start maintenance works, a maintenance operation terminal identifying part 1-5 detects the identification information of the terminals, and records it in a maintenance operation terminal table 1-4-1, and when the maintenance works are ended, the maintenance operation terminal identifying part 105 deletes the identification information of the terminals from the maintenance operation terminal table 1-4-1, and an information transmission request identifying part 1-6-1 analyzes dials received from extension terminals 2-1-2-i from the head, and judges whether or not this is an information transmission request specific number, and an information converting part 1-7 converts dial digits inputted from the terminal which issues the information transmission request into Japanese syllabary, and an information transmitting part 1-8 transmits information obtained by converting the dial digits into the Japanese syllabary by the information converting part 107 to the maintenance exclusive terminals 4-1-4-k during the maintenance works based on the detected result of the maintenance operation terminal identifying part 1-5.
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