How to Factory Reset Cisco 8845

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.
Procedure

Step 1 Remove power from the phone in one of these ways:
• Unplug the power adapter.
• Unplug the LAN cable.
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:
123456789*0#
The light for the Headset button turns off after you press the 1 key.After you enter the key sequence,the Mute button lights.
Caution Do not power down the phone until it completes the factory reset process,and the main screen appears. Caution
The phone resets.