I have been receiving non stop calls from this number.  When I answered (the first time) there was no response, so I hung up.  A couple hours later, my caller ID says that number again, I answered (2nd time) and again no one says anything, but if they did I must've hung up before then.  I keep receiving these calls at least 3 - 5 times a day.  Very tired of it.  I now keep ignoring it and even then they leave no message.