I couldn't find it in the instructional manual nor could I see an option for it in any menus but how do you turn down or turn off the beep whenever you press a button as you are dialing a number?
Here is a thread that describes another technique that seems to work for some phone/OS combinations. It does not work for my Verizon 8830, so I can't verify it. http://forums.crackberry.com/f52/mut...dialing-53875/