ALI (Automatic Location Identification)

The automatic display at the PSAP of the caller’s telephone number, the address/location of the telephone and supplementary emergency services information of the location from which a call originates.

ALI Request

A query for an ALI record sent from the PSAP to the ALI database.

ALI Retrieval

The process by which a PSAP queries an ALI database with an ALI Request and receives a response with location and other available information.

Customer Name Field

The portion of traditional Automatic Location Identification format where the Customer Name or other pre-populated identifying information is displayed to the 9‑1‑1 Telecommunicator.

NENA-STA-027, E9-1-1 PSAP Equipment Standards