Except they do this and intentionally. They call, hang up as soon as it rings, and call right back. You are deceiving yourself if you think they are going to ch

Except they do this and intentionally. They call, hang up as soon as it rings, and call right back. You are deceiving yourself if you think they are going to change their habits to avoid getting caught. They don't worry about getting caught, because no one catches them. One carrier shuts them down, they pick another. There are plenty to choose from, and plenty of greedy CLECs look the other way or join in.