It's a telephone consumer, not business consumer. I agree it's a bad naming. It confuses everyone. But the name of the law is not a law itself. The name of the law cannot tell who it applies to. You need to open law itself and read it. For example (a)(1)(iii) https://www.law.cornell.edu/cfr/text/47/64.1200 To any telephone number assigned to a paging service, cellular telephone service, specialized mobile radio service, or other radio common carrier service, or any service for which the called party is charged for the call.