Factory Reset Cisco Phone (Using Keypad)

The following guide will help you factory reset your Cisco IP Phone.

1. Unplug the phone's LAN cable.

2. Wait 5 seconds.

3. Press and hold # button while plugging the phone back in.

4. Release the # button when the light on the handset blinks red 2 times.

5. Press 123456789*0# in sequence.

After you press these buttons, the phone goes through the factory reset process.

If you press the buttons out of sequence, the phone will power on normally.