E911 Glossary

ALI

Automatic Location Information. A database that contains the caller's name, telephone number, address, and other supporting information for use by PSAPs.

E911 Batch

Based on the E911 provider, the E911 Batch is a placeholder referenced by E911 Batch Details.

E911 Batch Detail

An E911 Batch Detail is a record containing the information specifying the location of a service number for emergency purposes.

E911 Provider

An organization that provides necessary information to the ALI database and disperses the information to the appropriate PSAP when an emergency call is made. This organization is often a County, but can also be a company contracted to maintain the information, such as Frontier.

ESN

Emergency Service Number. The number designating the emergency services applicable to that locale of the originating 911 call.

FIPS code

Federal Information Processing Standard. Standards used for data communication.

MSAG

Master Street Address Guide. A database of address information, dispatch community name, and ESNs used to validate customer address and to assign an ESN to each customer telephone number record.

MSAG Provider

An organization that supplies the MSAG used to validate service addresses for E911. An MSAG Provider is usually a County.

NENA

National Emergency Number Association. The governing agency for E911 recommendations and specifications.

PSAP

Public Safety Answering Point. The location where E911 calls are received from the public.

TAR Code

Taxing Area Rate Code.