What Is Calling Line Identity (CLI or CLID)?

Person holding a phone with the letters CLI

Filed under - Definitions

These days, the telephone number of the caller travels ahead of most calls. This is known as Calling Line Identity (CLI) or by BT as Caller ID.

You will probably most often see this when someone calls your mobile phone. This is also known in the USA as Automatic Number Identification or ANI.

This number can be used by CTI software to match up to a computer record for that caller.

Author: Robyn Coppell

Published On: 2nd Feb 2023
Read more about - Definitions

Follow Us on LinkedIn

Recommended Articles

headset lady
Industry Standards for Calling Times
a hand holds out a green old fashioned phone
Are You Using CLI for Advanced Call Handling?
A photo of a scam note by a phone
3 Ways “Scam Likely” Caller IDs Impact Outbound Calling