Skip to main content
CallTower Solutions Center

Cisco - Phone: 7920 Factory Reset Procedure


This article provides step by step instructions to help users to perform a factory reset on Cisco 7920 phone model.


To reset a Cisco 7920, the ip phone must be started in administration mode using the following steps:

  1. Press the Menu softkey
  2. Press * (star), # (hash) and * (star) again.
  3. Press the Green phone key (used to answer a call) 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 phone key to hide the options:

  • any key between 0 and 9
  • * (star) key
  • # (hash) key

Follow the steps below to successfully factory reset your Cisco 7920 IP phone:

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

Additional Information

Remember to not perform this factory reset procedure on any phone that is not plugged in behind a CallTower ASA or CallTower managed circuit.