Monitoring system for one's presence in room
专利汇可以提供Monitoring system for one's presence in room专利检索，专利查询，专利分析的服务。并且PURPOSE:To enable to render quick message service, by regarding a room as being attended by a personnel with the condition that the state of door left open or the state of making a call from an extension telephone set is detected with the presence detecting means provided correspondingly to the extension telephone sets concerning the presence monitoring, based on the presence monitoring information. CONSTITUTION:If no response is made available for a telephone call from the front to a guest room, a presence monitor information is transmitted to a message wating adaptor 2 and the corresponding guest room number is transmitted to an interface unit 9, for storage. In the unit 2, the detected output of a door switch 3 is received with the reception of monitor information and it is transmitted to a network 7, and the off-hook information of an extension telephone set 1 is received and the call information is transmitted to the network 7. With this state, when a lodging guest returns to the room and opens the door, the detected output is transmitted, call display is made to the exchanger, and when this is detected by a marker 8, the calling extension allocation information is transmitted to the unit 9 and the pressure information is transmitted to a massage waiting display panel 10.，下面是Monitoring system for one's presence in room专利的具体信息内容。
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