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Frequently Asked Questions

FAQ CNAM Basics

You can remove your name from being displayed on other phones when you call them. The best method to do this is to contact your telephone service provider. Your carrier is the only authority when it comes to the CNAM value associated with your phone number. ...


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There are a couple of ways to verify that you are getting accurate CNAM data. OpenCNAM Standard is a traditional CNAM service that only delivers carrier-supplied values. If a carrier-supplied value does not exist, OpenCNAM Standard returns City, State. ...


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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. ...


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CNAM data is collected and propagated by the carrier who owns the telephone number and their authoritative repository. Each carrier has different policies regarding CNAM. Some carriers, like T-Mobile, automatically opt-in their subscribers, while others, like Verizon Wireless, require their subscribers to opt-in. ...


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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 authoritative databases within the CNAM network. ...


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The Caller ID product is advanced. Everything else is simple.