Originally Posted by Palm_FTW:
What is ##?
When you don't have a dial pad... or an option to call on a dial pad (such as a button for one) and you find yourself in need of one, generally you can push the Orange Button on the keyboard, and while holding the orange button, push the "b" button (which has the # symbol on it) to "dial" the # sign.
It will bring up the dial pad.
You can dial numbers from the keyboard using this method - by holding the orange key and pressing the e r t d f g x c v z and b keys, on the keyboard.