Cisco 8821

Procedure
Step 1
Access the Settings app.
Step 2
Select Admin settings > Reset settings > All settings.
Step 3
Press Reset.
Reset the Phone to Factory Defaults from the Phone Keypad
You can reset the phone to factory defaults using the keypad. The phone resets user and network setup settings
to their default values and then restarts.
Procedure
Step 1
Press the Power/End Call and Pound (#) keys at the same time.
Step 2
When the LED on the top of the phone lights, press 1 2 3 4 5 6 7 8 9 * 0 #.
Reset the Network Settings
You can reset the network settings on the phone to the factory defaults. The phone resets network setup settings
to their default values and then restarts.
Procedure
Step 1
Access the Settings app.
Step 2
Select Admin settings > Reset settings > Network settings.
Step 3
Press Reset.
Reset the Security Settings
You can reset the security settings on the phone to the factory defaults. The phone resets security settings to
their default values and then restarts.
Cisco Wireless IP Phone 8821 and 8821-EX Administration Guide for Cisco Unified Communications Manager
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Maintenance
Reset the Phone to Factory Defaults from the Phone Keypad