Current 911 PS/ALI Legislation
Twenty two states currently have E-911 legislation enacted or pending that requires organizations over a certain size or purchasing a new PBX to implement E911 for the safety of their employees, students, and visitors.


| Alaska | Proposed regulations for multi-line telephone systems (MLTS) to be implemented with Enhanced 911 (E911), which includes automatic location identification (ALI) and automatic number identification (ANI), which provides at least the building and floor location of the caller.
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| Arkansas | A 911 call made by any company, or corporation, public or private, providing exchange telephone service shall forward to any public safety answering point (PSAP) equipped for Enhanced 911 (E911) service the telephone number and street address of any telephone.
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| California | Introduced in February 2007, Assembly Bill No. 942 would require every telephone exchange service, competitive local exchange carrier, multi-telephone system (MLTS), private branch exchange system, key set system, Centrex, or similar system to provide Enhanced 911 (E911) service with automatic routing, automatic number identification (ANI), and automatic location information (ALI) or identification.
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| Colorado | Multi-line telephone system (MLTS) operators shall provide written information describing the proper method of dialing 9-1-1 from a MLTS telephone in an emergency. MLTS operators that do not give the automatic number identification (ANI), the automatic location identification (ALI), or both, shall disclose such fact in writing and instruct them to provide their telephone number and exact location when calling 911.
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| Connecticut | Companies can not prevent a 911 call from being made. However, the call can be directed to a security answering point on-site. A proposal has been indicated that would require shared multi-line telephone system (MLTS) operators serving residential customers to make sure that the system is connected to the public switch for in which a 911 call results in one distinctive automatic number identification (ANI) and automatic location identification (ALI), such as business locations and hotels.
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| Florida | Effective July 1, 2003, each private branch exchange (PBX) system installed after January 1, 2004, must be capable of providing automatic location identification (ALI) to the station level.
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| Illinois | After June 30, 2000, any entity that installs or operates a private business switch service and provides telecommunications facilities or services to businesses needs to make sure that the system is connected to the public switched network in a manner that calls to 9-1-1 result in automatic number identification (ANI) and automatic location identification (ALI).
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| Chicago (Illinois) | Provide a name to all private streets on the campus/complex, identify all buildings and/or structures, for each building and/or structure they must have a unique name, address, or identifier, and use the National Emergency Number Association (NENA) recommended abbreviations for street thoroughfares.
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| Kentucky | Effective July 15, 1998, residential private switch telephone service providers must make sure that their system provides an updated telephone number and physical location for each 9-1-1 call and provide the service providers with the location information.
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| Louisiana | Automatic location identification (ALI) must be capable of being transmitted to the station level in every PBX installed after January 1, 2005.
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| Maine | Any privately owned or leased telephone system shall provide the same level of enhanced 9-1-1 services that others receive, including: automatic number identification (ANI) signaling; station identification data; and updates to enhanced 9-1-1 databases.
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| Massachusetts | As of July 1, 2009, any new or substantially renovated multi-line telephone systems (MLTS) such as Centrex, PBX and hybrid telephone systems, must provide the same level of enhanced 911 (E911) service that is provided to others in the Commonwealth. This includes but is not limited to businesses, apartments, townhouses, condominiums, schools, dormitories, hotels, motels, resorts, extended care facilities, or similar entities, facilities or structures.
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| Michigan | Any entity that installs or operates a private business and provides telecommunications facilities or services to businesses shall assure that the system is connected to the public switched network in a manner that calls to 9-1-1 result in automatic number and location identification (ANI and ALI). Emergency Response Locations must be set up for every 7,000 square feet or less; includes a fine of up to $5,000 for non-compliance. This legislation is set to go into effect in December of 2011.
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| Minnesota | For every private branch exchange (PBX) system purchased after December 31, 2004, must provide and maintain the system to provide a call back number and emergency response location for every 911 phone call made from private businesses, hotels, residential units, and educational institutions, including schools and colleges.
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| Mississippi | Service suppliers are required to provide access to the designated public safety answering point (PSAP) when dialing 911 where technically available. Any entity operating a “shared tenant service” is required to provide telephone number location information for each 911 call made from any extension. Also, any cellular telephone operating companies shall have all trunks or service lines contain the word “cellular” in the listing for calls placed to 911.
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| Nebraska | Although no details of multi-line telephone systems (MLTS) are listed yet, it does propose state wide enhancement of 911 by 2010.
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| Ohio | Bill has been drafted but has not been introduced; therefore, no details available.
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| Pennsylvania | An owner or operator of a multi-line telephone system (MLTS) must ensure that calls to 911 must provide automatic location identification (ALI) for each respective emergency response location (ERL), or a connection to a switchboard operator.
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| Texas | Businesses that provide residential facilities with a private telephone switch shall provide to those residential users the same level of 911 services that a service supplier is providing to other residential users in the area.
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| Tarrant County (Texas) | As part of computerized 911 service, a service supplier shall furnish for each call the telephone number of the subscriber and the address associated with the number. A business that owns or leases a publicly or privately owned telephone switch used to provide telephone service to facility residents must provide the same level of 911 service that a service supplier is required to provide.
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| Utah | This bill requires certain multi-line telephone systems (MLTS) to provide various location-related information for 911 calls made from telephones within the system. Address requirements for updating location-related information when a MLTS’s database changes.
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| Vermont | Privately owned telephone systems shall provide the same level of 911 services as it is to others in the area with automatic number identification (ANI) signaling, station identification data and updates to the data base for enhanced 911.
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| Virginia | All multi-line telephone system (MLTS) providers must maintain and operate the automatic number identification (ANI) and automatic location identification (ALI) to the local public safety answering point (PSAP) for 911 calls to all MLTS installed after July 1, 2009.
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| Washington | Automatic location identification (ALI) format for 911 calls must be present in businesses containing 25,000 sq ft, or more than one floor of a building, or businesses in multiple buildings. | |