Glossary of Terms

Understand basic Public Safety definitions and terms.

AACN (Advanced Automatic Collision Notification)

Definition:

AACN (Advanced Automatic Collision Notification) is an emergency call placed by a vehicle, initiated either automatically or manually, conveying telematics data. "Advanced” indicates that the call carries advanced telematics data such as information about a crash, rollover, fire, or other incident, the vehicle description and location, etc.

ACN

Automatic Crash Notification.

Read More

ALI

Automatic Location Identification - ALI provides the caller's name and address on a computer monitor at the PSAP along with the name of the correct...

Read More

ANI

Automatic Number Identification - ANI is the feature that provides the caller's telephone number, referred to also as a callback number, on a console...

Read More

DALI

Dynamic Automatic Location Identification. Stores E9‐1‐1 record and makes available to PSAP during a 9‐1‐1 call.

Read More