This thread really about but messing with telemarketers.

Of course if you have a good way to stop them, Please share it.

I bought a Telezapper that connects in line to one phone in your house, When you pick up or when the answering machine picks up, it emits the three tones you hear when you call a disconnected number.

The Telemarketing dialing computers hear the three tones and mark your number as disconnected and does not call that number again.

It cut the number of telemarketing calls by 90% but there are new machines and telemarketers coming online every day so it is not foolproof.

I recently called an 800 number and put my numbers on the national do not call list and they have tapered off again to maybe a few a day.