I have been getting more and more advertising calls at my home lately most are automated?

Question

i want to know if theres a device i can put on my phone line to filter out those annoying calls . i used to have something called a zapper but it doesnt work any more. any ideas ?

Answer 1

If you have a computer, and a modem that supports caller id, you can try out CallClerk (I wrote it).  It will auto hang up on calls you don't want to get again.