I just pretend I don't speak english, and act otherwise retarded.
Telemarketer: Good afternoon sir!
Me: Excuse ma...
Telemarketer: Sir, are you aware that AT&T has this new great long distance plan?
Me: Who you want?
Telemarketer: Sir, are you the decission maker in this house?
Me: You want talk Mark?
Telemarketer: Sir, can I speak with somebody who can make a decission about long distance plan?
Me: Excuse ma...
Telemarketer: I'm sorry, I'll call later.
Me: Call who?
<< The other person quitely hangs up>>