> When the phone rings, I put it to my ear without saying hello. Actually I often do this with unknown callers, it usually confuse them especially when it

> When the phone rings, I put it to my ear without saying hello. Actually I often do this with unknown callers, it usually confuse them especially when it's advertisement, they usually wait for someone to speak up, but at least it's easier way to save your breathe if someone who is calling you doesn't even know your name to ask "is mr. XY there?", then you can just hang up.