i received at least 38 phone calls in the last 8 hours (jan 31, 2013) from (608)819-7658 VERY ANNOYING as they began at 1:30am waking me up every 6 or 7 minutes. I tried to return fax and tried having it blocked from AT&T. All I am getting is fax machine noise. some people do not have to work i suppose just annoy people who try to get some rest so they can get up and get to work next day. I am already on 24 hr emergency call and therefore could not silence my mobile phone just had to keep listening to this annoying phone call. AT&T told me to go on www.donotcall.gov and enter it there as well.