Reverse 9-1-1
Reverse 9-1-1 is a public safety communications technology used by public safety organizations in Canada and the United States to communicate with groups of people in a defined geographic area. The system uses a database of telephone numbers and associated addresses, which, when tied into geographic information systems (GIS), can be used to deliver recorded emergency notifications to a selected set of telephone service subscribers.
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2007 Colorado YWAM and New Life shootings2010 Boston water emergency9-1-1Barrington,_IllinoisCivil defense sirenEmergency communication systemEmergency notification systemMarvin HeemeyerNational Blue Alert Act of 2013October 2007 California wildfiresReverse 1-1-2Reverse 911Shelter-in-placeSilver AlertSnow emergencyText-to-9-1-1Tornado outbreak of April 27–30, 2014Witch Fire
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Reverse 9-1-1
Reverse 9-1-1 is a public safety communications technology used by public safety organizations in Canada and the United States to communicate with groups of people in a defined geographic area. The system uses a database of telephone numbers and associated addresses, which, when tied into geographic information systems (GIS), can be used to deliver recorded emergency notifications to a selected set of telephone service subscribers.
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Reverse 9-1-1 is a public safe ...... telephone service subscribers.
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Reverse 9-1-1 is a public safe ...... telephone service subscribers.
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Reverse 9-1-1
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