CNAM, or caller ID name, is a feature in the US public telephone network that associates business and personal phone numbers with names. The carrier from whom a number has been subscribed adds the CNAM information to CNAM repositories that are collectively referred to as the line information database (LIDB). When someone receives a call, their carrier queries the LIDB and displays the assigned caller name.
Plivo provides CNAM lookup on US phone numbers for inbound voice and Zentrunk calls. Learn how to configure CNAM lookup on your US phone numbers.