How To Factory Reset a Cisco 7920

This article applies to:

Cisco 7920

How to Factory Reset a Cisco 7920.

Administration options in the Network Config and Phone Settings menus are hidden by default to ensure that users do not make changes that can affect the operation of the phone. You need to start the administration mode on the phone in order to use the options.

Start the Administration Mode on the Phone

Complete these steps in order to open the administration options on the Cisco Unified Wireless IP Phone 7920 so that you can access the hidden options on the Phone menu:

  1. Press the Menu softkey.
  2. Press starkey.jpg (the star key). Press poundkey.jpg (the pound key), and then press poundkey.jpg (the pound key) again.
  3. Press the green green.jpg key to open the administration mode.Note: Power cycle the phone or press any of these keys while in the first level submenu and then press the green.jpg green key to hide the options:
    • any key between 0 and 9
    • * key
    • # key

Now that you are in admin mode you can reset the phone to factory defaults.

Complete these steps in order to reset the Cisco 7920 Wireless IP phone to the factory default:

  1. Choose Menu > Phone Settings > Factory Default.The phone displays the Restore to Default? message.
  2. Press the OK softkey. All settings are deleted.
  3. Choose Menu > Network Config in order to reconfigure the network settings for your WLAN.

How To Factory Reset a Cisco 7940 / 7960

This article applies to:

Cisco 7940G

Cisco 7941G

Cisco 7941G-GE

Cisco 7960G

Cisco 7961G

Cisco 7961G-GE

Possibly others…


How to do a factory reset on a 7940 / 7960

Method 1:

1) Unplug the phone

2) Plug the phone back in while holding the # key

The phone will soon display “Reset key sequence detected”

3) After several lights flash press the following keys in order:

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

4) The phone will then ask you if you want to save the network configurations:

Save network cfg? 1=yes 2=no

5) The phone will soon display “Factory reset initiated” and will continue
through the boot up process.

If that process fails to work for some reason there is a second method.

Method 2

Complete these steps:

  1. Choose the main Date/Time window.
  2. Press **# in order to unlock the Network Configuration on the phone.
  3. Press Settings.
  4. The Network Configuration lock symbol must be unlocked. If not, exit to the main window and press ** # again.
  5. Press 3 on the keypad (or scroll down) for Network Configuration.
  6. Press 33 on the keypad (or scroll down) to Erase Configuration.
  7. Press the Yes softkey.
  8. Press the Save softkey.

The phone must now be reset.

How To Factory Reset a Linksys PAP2

This article applies to:

Linksys PAP2
Linksys PAP2T

If you have lost the admin password or otherwise cannot access the
administration panel of a Linksys PAP2 analog adapter try resetting the device
to factory defaults.
Here’s how:

1. Plug in an analog phone into one of the FXS ports (RJ11) on the device.

2 . Dial ****

3. Dial 73738#

4. Press 1 to confirm

5. Hang up the analog phone

The adapter will buzz and will be reset. Now the admin password will be removed and the IP settings will be set to the default.