If you're on the do not call list, you could just sue them. It's pretty much a guaranteed win unless you've done business with them recently. On the other hand

If you're on the do not call list, you could just sue them. It's pretty much a guaranteed win unless you've done business with them recently. On the other hand, you could ask them to remove you from their call list -- as far as I know, they're legally obligated to do so.