9-1-1

911911 call9-1-1 call9-1-1 Emergency Services911 calls911 emergency services1-NPA-911911 dispatcher911 dispatchers911 emergency call system
9-1-1, also written 911, is an emergency telephone number for the North American Numbering Plan (NANP), one of eight N11 codes.wikipedia
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Enhanced 9-1-1

E911enhanced 911Wireless Enhanced 911
In approximately 96 percent of the U.S., the enhanced 9-1-1 system automatically pairs caller numbers with a physical address.
Enhanced 911, E-911 or E911 is a system used in North America to automatically provide the caller's location to 911 dispatchers.

Emergency service

emergency servicesemergency responseemergency responders
In over 98% of locations in the United States and Canada, dialing "9-1-1" from any telephone will link the caller to an emergency dispatch office—called a public-safety answering point (PSAP) by the telecom industry—which can send emergency responders to the caller's location in an emergency.
In some countries, one number is used for all the emergency services (e.g. 911 in the U.S., 999 in the UK).

112 (emergency telephone number)

1121-1-2112 emergency number
112 is the equivalent emergency number used in the European Union and various other countries.
In some countries, calls to 112 are not connected directly but forwarded by the GSM network to local emergency numbers (e.g., 911 in North America or 000 in Australia).

Dispatcher

Central Dispatcherdispatch911 operator
In over 98% of locations in the United States and Canada, dialing "9-1-1" from any telephone will link the caller to an emergency dispatch office—called a public-safety answering point (PSAP) by the telecom industry—which can send emergency responders to the caller's location in an emergency.
"Public safety dispatchers" (also known as emergency dispatchers, Telecommunications Officers, Telecommunicators or 9-1-1 dispatchers) receive calls from individuals who need assistance from Firefighters, Police Officers, and Emergency Medical Services.

000 (emergency telephone number)

000000 Emergencytriple zero
000 is used in Australia.
911 was previously considered as a potential emergency number, though existing numbering arrangements make this unfeasible due to homes and businesses being assigned numbers beginning with 911.

Haleyville, Alabama

HaleyvilleHaleyville (AL)Haleyville HS (AL)
However, Bob Gallagher of the Alabama Telephone Company decided he wanted to implement it ahead of AT&T, and the company chose Haleyville, Alabama, as the location.
On February 16, 1968 the first 9-1-1 emergency telephone system in the nation went into service in Haleyville.

North American Numbering Plan

Area codeArea codesArea code(s)
9-1-1, also written 911, is an emergency telephone number for the North American Numbering Plan (NANP), one of eight N11 codes.
911 – Emergency telephone number – fire department, medical emergency, police.

N11 code

N-1-1N11
9-1-1, also written 911, is an emergency telephone number for the North American Numbering Plan (NANP), one of eight N11 codes.
9-1-1: Emergency services (police, fire, ambulance and rescue services)

Emergency telephone number

emergency callemergency numberemergency calls
9-1-1, also written 911, is an emergency telephone number for the North American Numbering Plan (NANP), one of eight N11 codes.
Most GSM mobile phones have 112, 999 and 911 as pre-programmed emergency numbers that are always available.

Public safety answering point

public-safety answering pointPSAPintegrated control center
In over 98% of locations in the United States and Canada, dialing "9-1-1" from any telephone will link the caller to an emergency dispatch office—called a public-safety answering point (PSAP) by the telecom industry—which can send emergency responders to the caller's location in an emergency.
9-1-1

999 (emergency telephone number)

9999-9-9999 call
999 is used in Bangladesh, Singapore, Malaysia, Hong Kong, the United Kingdom and many British territories amongst other places.
North America later standardised on 9-1-1, with +1-204-999-xxxx eventually reassigned as a standard mobile telephone exchange.

Telephone number

phone numbertelephone numbersphone numbers
Often, an unused and unpublished phone number will be issued to the line so that it will work properly.
Some special services have their own short numbers (e.g., 1-1-9, 9-1-1,1-0-0, 1-0-1, 1-0-2, 0-0-0, 9-9-9, 1-1-1, and 1-1-2 being the Emergency Services numbers for China, Japan, India, South Korea, Taiwan and Sri Lanka; Canada and the United States; Israel (Police); Israel (Paramedic); Israel (Fire); Australia; the United Kingdom, Ireland, South Africa, Poland, Saudi Arabia, the United Arab Emirates, Morocco, Macao, Bahrain, Qatar, Bangladesh, Botswana, Ghana, Kenya, Hong Kong, Malaysia, Mauritius, Singapore, Zimbabwe, Trinidad, Tobago, New Zealand, Kuwait, the European Union and the Philippines respectively.)

Rescue 911

Rescue Wheneversee belowTV show of the same name
News programs and such shows as Rescue 911 have broadcast actual calls to 9-1-1 centers.
The series was hosted by William Shatner and featured reenactments (and occasionally real footage) of emergencies that often involved calls to 911.

J. Edward Roush

Edward Roush
AT&T made its first implementation in Huntington, Indiana, the hometown of J. Edward Roush, who sponsored the federal legislation to establish the nationwide system, on March 1, 1968.
Mr. Roush was instrumental in the establishment of the 911 emergency telephone system commonly used today.

Bull Connor

Eugene "Bull" ConnorBull" ConnorBull' Connor
Bevill was accompanied by Gallagher and Alabama Public Service Commission director Eugene "Bull" Connor.
He was present on February 16, 1968, when the Haleyville, Alabama police station made the first use of 9-1-1 as an emergency telephone number in the United States.

3-1-1

3113-1-1 system311 calls
3-1-1, non-emergency number
The number 3-1-1 is intended in part to divert routine inquiries and non-urgent community concerns from the 9-1-1 number which is reserved for emergency service.

Voice over IP

VoIPvoice over Internet Protocolvoice-over-IP
As Voice over Internet Protocol (VoIP) technology matured, service providers began to interconnect VoIP with the public switched telephone network and marketed the VoIP service as a cheap replacement phone service.
VoIP services operating in Canada are required to provide 9-1-1 emergency service.

Next Generation 9-1-1

next-generation 9-1-1NG 9-1-1
Next Generation 9-1-1
Next Generation 9-1-1 (abbreviated NG9-1-1) refers to an initiative aimed at updating the 9-1-1 service infrastructure in the United States and Canada to improve public emergency communications services in a growingly wireless mobile society.

Emergency medical dispatcher

911 dispatchersambulance dispatcherDispatch Officer
Emergency Medical Dispatcher
In a parallel evolution, the development of 9-1-1 as a national emergency number began in Winnipeg, Manitoba, Canada, in 1959.

National Emergency Number Association

The average wireless 9-1-1 fee in the United States, based on the fees for each state as published by the National Emergency Number Association (NENA), is around $.72.
One of NENA's main functions is to grade the quality of the 9-1-1 (the Universal Emergency Number since 1968) services that exist throughout the United States of America.

9-1-1 Tapping Protocol

911 Tapping Protocol
911 Tapping Protocol
The tapping protocol is an initiative developed by the City of New York to provide members of the deaf and hard of hearing community, as well as others who are unable to voice, with a means of directly reporting emergencies to 9-1-1 from the streets of New York City.

Dial 1119

Dial 1119, a 1950 MGM feature film that portrays "1119" as a police emergency number
The telephone number "1119" is the police emergency number in the film.

Prince (musician)

PrincePrince Rogers NelsonThe Artist Formerly Known as Prince
As recently as April 21, 2016, an unidentified caller dialing 9-1-1 to report the death of the musical artist Prince still needed to provide the 9-1-1 dispatcher with the physical address of the building in which the musician had died because the dispatcher had no other means to determine the location of the caller's cell phone.
Kornfeld scheduled to meet with Prince on April 22, and he contacted a local physician who cleared his schedule for a physical examination on April 21. On April 21, at 9:43 am, the Carver County Sheriff's Office received a 9-1-1 call requesting that an ambulance be sent to Prince's home at Paisley Park.

Dial tone

dial-tonedialling tonestutter dial tone
On wired (land line) phones, this usually is accomplished by a "soft" dial tone, which sounds normal but will allow only emergency calls (or, in some cases, will state the number of the local telephone company which may be called in order to initiate regular service).
It is maintained only so that an attached phone can dial the emergency telephone number (such as 911, 112 or 999), in compliance with the law in most places.

Area codes 919 and 984

919984919, 984
In the 919 area code, including Raleigh, North Carolina and surrounding communities, a second area code (984) was added using an overlay plan in 2011.
Ten-digit dialing for local calls became optional on October 1, 2011, and became mandatory across the Triangle on March 31, 2012, a move which has resulted in thousands of wrong number calls to 9-1-1 instead of 919.