Huawei T565 Getting To Know Manual page 5

Press and hold the 1 key to call the voice mail center
and listen to the voice messages.
Press and hold a number key from 2 to 9 to speed-dial
a phone number.
Press and hold the * key to lock the keypad; press the
OK key and the * key in sequence to unlock the
keypad.
Press and hold the # key to switch between the
Silent and Normal profiles.
Press the dial key to access the Dialed screen.
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