Originally Posted by TreyS
Think about it......
How will the carrier know what number you are calling if you don't send it the DTMF tones?
I don't know what you mean by this.. every phone I've had on silent/vibrate mode does not make any noise whatsoever, when while dialing a number. Even while I'm on the phone and need to press keys in automated menus, the phones I've had do not make any noise