Facebook tracking pixel

Frequently Asked Questions

FAQ CNAM Basics

CNAM data is supplied by the telephone carrier who owns the telephone number and is populated in the authoritative repository that the carrier selects to store its CNAM values. Each carrier has different policies regarding CNAM. Some carriers ...


Continue Reading

CNAM, which is short for Caller ID Name, refers to the name of the person or business placing a phone call. CNAM data allows phones to display the caller’s name, in addition to the caller’s phone number. This is sometimes also referred to as Caller ID ...


Continue Reading

Technically speaking, yes. As is the case with many terms in telecommunications, CNAM and Caller ID are often used interchangeably. It is important to note, however, that CNAM specifically refers to a 15 character string housed in one of the ...


Continue Reading

OpenCNAM customers include publicly traded ILECs, large CLECs, Enterprise Call Centers, Application Developers, and developers who operate PBX systems in their own homes. OpenCNAM has all the capabilities of the major CNAM providers without the red ...


Continue Reading

Official CNAM values can only be changed by your telephone service provider or carrier. The best way to do this is to contact your carrier. They will have a method for updating this value. Once your carrier updates your CNAM value with the ...


Continue Reading

Want to know more about how to use OpenCNAM?

DEVELOPERS Docs, source code, guides, and more!