They call several times a month; apparently the person who had my phone # before I got it had several outstanding debts.  I repeatedly tell them this is no longer her #, and they agree to note that and not call back....but sure enough, they keep calling.  I just don't answer.  Still annoying to get the calls : (  

Same here.
I didnt answer.
Man breathing into the phone and alot of business noise in the background for about 30sec was left as a message.