Factory Reset The Phone With The Keypad - Cisco 8800 Series Administration Manual

Factory Reset the Phone with the Keypad

Note When you set up emergency calls, the phone requests an updated location whenever the you do the following
actions:
• Registers the phone with the call server.
• Restarts the phone (phone is registered).
• Changes the network interface that is used for the SIP registration.
• Changes the IP address of the phone.
Factory Reset the Phone with the Keypad
Use these steps to reset the phone to factory default settings using the phone keypad.
Before you begin
You must know if your phone is an original hardware release or if the hardware has been updated and
re-released.
Procedure
Step 1
Unplug the phone:
• If using PoE, unplug the LAN cable.
• If using the power cube, unplug the power cube.
Step 2
Wait 5 seconds.
Step 3 Press and hold # and plug the phone back in.
The phone begins the reboot process. The headset button and the speaker button light up.
Step 4 On earlier hardware versions, the Mute button lights up. Wait for the Mute button to turn off.
Step 5
Press 123456789*0# keys in sequence
When you press 1, the lights on the headset button turns off. 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.
Caution
Cisco IP Phone 8800 Series Multiplatform Phones Administration Guide
364
Do not power down the phone until it completes the factory reset process, and the main screen
appears.
Cisco IP Phone Troubleshooting