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Enhanced 911 (E-911 or E911) is a system used in North America to automatically provide the caller's location to 911 dispatchers. 911 is the universal emergency telephone number in the region. In the European Union, a similar system exists known as E112 (where 112 is the emergency access number) and known as eCall when called by a vehicle.
The first use of a national emergency telephone number began in the United Kingdom in 1937 using the number 999, which continues to this day. [6] In the United States, the first 911 service was established by the Alabama Telephone Company and the first call was made in Haleyville, Alabama, in 1968 by Alabama Speaker of the House Rankin Fite and answered by U.S. Representative Tom Bevill.
In addition to calling 911 from a phone, it intends to enable the public to transmit text (see Text-to-911), images, video and data to the 911 center (referred to as a public safety answering point, or PSAP). The initiative also envisions additional types of emergency communications and data transfer. [1]
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CAD systems may be interconnected with automatic vehicle location systems, mobile data terminals, office telephones, and selective calling and push-to-talk ID.. Computer-assisted dispatch systems use one or more servers located in a central dispatch office, which communicate with computer terminals in a communications center or with mobile data terminals installed in vehicles.
However, in many areas that do not support text-to-911, the message will be directed to a statewide response centre. The National Association of the Deaf and AccesSOS maintain a map of counties providing text-to-911. [19] In August 2009, Waterloo, Iowa, was the first county to begin receiving texts to 911. [20]
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Public-safety answering point in Kraków, Poland. A public-safety answering point (PSAP), sometimes called a public-safety access point, is a type of call center where the public's telephone calls for first responders (such as police, fire department, or emergency medical services/ambulance) are received and handled.