I got tired of these calls so I put a whistle on my table by my chair. Then when I got one of these calls I would grab the whistle and blow it as hard as I could. I've had some that never got the idea and just kept on with their spiel. So now I just don't answer calls I don't recognize. I've placed all my phone #'s on the "Do Not Call List" but that doesn't seem to matter to any of these con artists. I have answered some and played with them, and if I can't understand the person I say so and hang up, then immediately place that number on my block list. I was getting calls from overseas so I contacted my provider and they put up a block of those numbers for me. I still got a few calls right after that but it would only ring twice then stop. Now I don't receive them at all. What a lot of these con artists are doing is routing their calls through a U.S. server, so it can look like the call is being made from a U.S. # or possibly even a local area code, which makes you believe its someone you might know and thus answer it. They use all kinds of tricks to try and fool you so beware. BTW I got a call from this number today, 5/19/16. I didn't answer, no voicemail, so they go on the block list.