I have had those jerks call me too. I signed up for a chance to win a hunt on line. I told them to pull my name from the contest and to remove me from their call list.
One thing I have done in the past to screw with phone sales people is when they ask for me I'll tell them to hang on and I'll get him. Then I set the phone down and go on with my day. I'll check every 5 min. or so and if their still dumb enough to hang on I'll assure them I'm on the way. It's kinda fun to see how long they will hold. I figure the longer I hold them the fewer people they will bother that day.