When the light on the Mute button and handset light strip turns off and all other lights (Line button, Headset
button, Speakerphone button, and Select button) stay green, press 123456789*0# in sequence.
When you press 1, the lights on the line buttons turn red. The light on the Select button flashes when a button
is pressed.
After you press these buttons, the phone goes through the factory reset process.
If you press the buttons out of sequence, the phone powers on normally.
Do not power down the phone until it completes the factory reset process, and the main screen
appears.
Caution:Do not power down the phone until it completes the factory reset process, and the main screen
appears.