| 摘要 |
PURPOSE:To offer an automatic announcing system which can report abnormality information by a private broadcasting when communication is impossible owing to the absence of a reporting destination callee, etc. CONSTITUTION:The automatic reporting system automatically reporting abnormality information to the previously designated callee through a telephone line at the time of abnormality by the operation of a connected security sensor is provided with a private branch exchange 20 connecting with an extension telephone line 12 and a control part 32 which changes the previously designated callee by detecting that the callee is under communication or does not respond in spite of a specified time call at the time of abnormality and outputs abnormality information from a speaker for the private broadcasting 23, which is connected with the private branch exchange 20, when all the reporting destinations are under communication or do not respond in spite of the specified time call. |
