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.

Common Issues/Related Articles

Factory Reset:

• 7940 and 7960: {{ glossary.UC}}.solutions/Cisco/002Phones/79XX_Series/Cisco_-_Phone%3A_7940_and_7960_Factory_Reset_Procedure">Cisco - Phone: 7940 and 7960 Factory Reset Procedure

• 7942 and 7962: Cisco - Phone: 7942 and 7962 Factory Reset Procedure

• 7945, 7965, and 7975: Cisco - Phone: 7945, 7965, 7975 Factory Reset Procedure

• 7921: Cisco - Phone: 7921 Factory Reset Procedure

• 7925: Cisco - Phone: 7925 Factory Reset Procedure

79XX Features:

• Cisco - Phone: Overview - 79XX Series

• Cisco - Phone: iDivert - 79XX Series

• Cisco - Phone: Pickup - 79XX Series

• Cisco - Phone: Extension Mobility - 79XX Series

• Cisco - Phone: Joining Calls - 79XX Series

• Cisco - Phone: Receiving Calls - 79XX Series

• Cisco - Phone: Call Park - 79XX Series

• Cisco - Phone: Speed Dials - 79XX Series

• Cisco - Phone: Transferring a Call - 79XX Series

• Cisco - Phone: Do Not Disturb (DND) - 79XX Series

• Cisco - Phone: Answering Additional Calls - 79XX Series

• Cisco - Phone: Cisco Function Directories - 79XX Series

• Cisco - Phone: Switching Between Calls - 79XX Series

• Cisco - Phone: Cisco Function Settings - 79XX Series

• Cisco - Phone: Cisco Function Buttons - 79XX Series

• Cisco - Phone: Returning to Initial Call - 79XX Series

• Cisco - Phone: Placing a Call on Hold - 79XX Series

• Cisco - Phone: Meet Me Conference Call - 79XX Series

• Cisco - Phone: Cisco Call Forwarding All - 79XX Series

• Cisco - Phone: Placing a Call - Internal, External, 911 or 411 - 79XX Series