Alas, last time I checked numbers were something that was announced in-band, so it could be trivially faked by the caller. But I'm not sure if that's still true.
Spoofing a number can be a felony on it's own.
Even if there's no explicit laws around that, who's getting billed for the calls?
Spoofing a number can be a felony on it's own.
Even if there's no explicit laws around that, who's getting billed for the calls?