Satellite tv solicitation. press 1 to talk to a salesperson so you can waste their time too. Be nice to them and get their name or they will hang up on you immediately. Then after about 5 min of bullsh!t, you can hangup on them.
These people call all day and all night, 12 times just today and don't take your number off their list no matter how often you demand it. I've finally had success by telling them that I have all my calls traced, tracked, and will be sending the report to law enforcement. Good luck!