I love'm I usually start by saying hi fred or whatever their name is how ya doing?
once they start talikng I hold the phone away from me alittle and yell, hey hon wanna fix me a sandwich and beer I am gonna be a while. bang they hang up
the credit card callers are really fun
when they tell you how much the card is good for tell just to send you the money cause you are laid off and really could use the cash. usually it gets real quiet