Reset the Phone to the Factory Settings from the Phone Keypad
You can reset the phone to the factory settings. The reset clears all the phone parameters.
|Step 1||Remove power from the phone in one of these ways:|
|Step 2||Wait 5 seconds.|
|Step 3||Press and hold # and plug the phone back in.|
|Step 4||When the Headset and Speaker buttons are lit, release # and enter the following key sequence: (needs to be done FAST !)|
The light for the Headset button turns off after you press the 1 key. After you enter the key sequence, the Mute button lights.
it is key to keep holding the # until the headset and speaker lights comeback on.
see youtube video if available