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Cisco 79XX - Factory Reset Procedure

Goal

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

Resolution/Steps

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 soft key. All settings are deleted.
  3. Choose Menu > Network Config 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.

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