Cisco VoIP - How to Factory Reset a Phone
How to Factory Reset a Cisco VoIP Phone
- Unplug the power cord from the phone
- Press and hold the pound key, and plug the power cord back into the phone while holding the pound key

- Hold the pound key until the light on the mute button goes off

- Press 1 2 3 4 5 6 7 8 9 * 0 #
