No common carrier shall assign a telephone number for any pay-per-call service that employs broadcast advertising which generates the audible tones necessary to complete a call to a pay-per-call service.
47 C.F.R. §64.1514
No common carrier shall assign a telephone number for any pay-per-call service that employs broadcast advertising which generates the audible tones necessary to complete a call to a pay-per-call service.
47 C.F.R. §64.1514