Minnesota Administrative Rules
Agency 171 - Public Safety Department
Chapter 7580 - EMERGENCY 911 COMMUNICATIONS SYSTEMS
Part 7580.0100 - DEFINITIONS

Subpart 1. Scope.

For the purpose of this chapter, the terms defined in this part shall have the meanings given them.

Subp. 2. Automatic location identification (ALI).

"Automatic location identification" or "ALI" means the process of electronically identifying and displaying the name of the subscriber and the location, where available, of the calling telephone number to a person answering a 911 emergency call.

Subp. 3. Automatic location identification (ALI) database.

"Automatic location identification database" or "ALI database" means the set of ALI records residing on a computer system.

Subp. 4. Automatic number identification (ANI).

"Automatic number identification" or "ANI" means the process of electronically identifying and displaying on a special viewing screen the telephone number of the calling party's telephone to a 911 answering person as the call is being answered.

Subp. 5. Dedicated 911 trunk.

"Dedicated 911 trunk" means a telephone circuit which is used exclusively for the purpose of transmitting 911 calls.

Subp. 6. Default routing.

"Default routing" means the capability to route a 911 call to a PSAP designated as the default PSAP when the incoming 911 call cannot be selectively routed due to ANI failure or other cause.

Subp. 7. Busy hour; busy month.

"Busy hour" means a one-hour period during a 24-hour day where the number of 911 calls to the public safety answering point is usually a maximum. Similarly, "busy month" means the busiest month during a 12-month period.

Subp. 8. 911 service provider.

"911 service provider" means a 911 emergency telecommunications service provider that provides selective routing and ALI database services.

Subp. 9. No record found (NRF).

"No record found" or "NRF" means a condition where no ALI information is available for display at the PSAP.

Subp. 10. Public agency.

"Public agency" means any unit of local government or special purpose district located in whole or part within this state that provides or has authority to provide fire fighting, police, ambulance, medical, or other emergency services.

Subp. 11. PSAP or public safety answering point.

"PSAP" or "public safety answering point" means a communications facility operated on a 24-hour basis that first receives 911 calls from persons in a 911 service area and that may, as appropriate, directly dispatch public safety services or extend, transfer, or relay 911 calls to appropriate public safety agencies.

Subp. 12. PSAP manager.

"PSAP manager" means the person having day-to-day responsibility for the operation of the public safety answering point.

Subp. 13. Selective routing.

"Selective routing" means a process through which a 911 call is routed by means of a special telephone trunking and electronic equipment configuration to a predesignated public safety answering point.

Subp. 14. Service provider.

"Service provider" means a wire-line service provider, wireless service provider, packet-based service provider, or any other telecommunications or data service provider that directly accesses the 911 network through a selective router through dedicated trunk circuits or that accesses the 911 network under an arrangement with another service provider having direct access.

Subp. 15. Telephone exchange area.

"Telephone exchange area" means a specific geographic area designated by the Department of Commerce, which is served by one or more central offices.

Subp. 16. Telephone exchange area central office or central office.

"Telephone exchange area central office" or simply "central office" means the site of the telephone switching equipment and the switching equipment itself for a specific telephone exchange area.