---
title: "Cisco 79XX - Factory Reset Procedure"
slug: "cisco-79xx-factory-reset-procedure"
tags: ["calltower", "public"]
updated: 2026-09-18T13:43:53Z
published: 2026-09-18T13:43:53Z
canonical: "learn.calltower.com/cisco-79xx-factory-reset-procedure"
---

> ## Documentation Index
> Fetch the complete documentation index at: https://learn.calltower.com/llms.txt
> Use this file to discover all available pages before exploring further.

# 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]
> 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](/v1/docs/cisco-79xx-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](/v1/docs/cisco-79xx-7945-7965-7975-factory-reset-procedure)
- 7921: [Cisco - Phone: 7921 Factory Reset Procedure](/v1/docs/cisco-79xx-7921-factory-reset-procedure)
- 7925: [Cisco - Phone: 7925 Factory Reset Procedure](/v1/docs/cisco-79xx-7925-factory-reset-procedure)

79XX Features:

- [Cisco - Phone: Overview - 79XX Series](/v1/docs/cisco-79xx-series-overview)
- [Cisco - Phone: iDivert - 79XX Series](/v1/docs/cisco-79xx-idivert)
- [Cisco - Phone: Pickup - 79XX Series](/v1/docs/cisco-79xx-call-pickup)
- [Cisco - Phone: Extension Mobility - 79XX Series](/v1/docs/cisco-79xx-extension-mobility)
- [Cisco - Phone: Joining Calls - 79XX Series](/v1/docs/cisco-79xx-joining-calls)
- [Cisco - Phone: Receiving Calls - 79XX Series](/v1/docs/cisco-79xx-receiving-calls)
- [Cisco - Phone: Call Park - 79XX Series](/v1/docs/cisco-79xx-call-park)
- [Cisco - Phone: Speed Dials - 79XX Series](/v1/docs/cisco-79xx-speed-dials)
- [Cisco - Phone: Transferring a Call - 79XX Series](/v1/docs/cisco-79xx-transferring-a-call)
- [Cisco - Phone: Do Not Disturb (DND) - 79XX Series](/v1/docs/cisco-79xx-do-not-disturb)
- [Cisco - Phone: Answering Additional Calls - 79XX Series](/v1/docs/cisco-79xx-answering-additional-calls)
- [Cisco - Phone: Cisco Function Directories - 79XX Series](/v1/docs/cisco-79xx-function-directories)
- [Cisco - Phone: Switching Between Calls - 79XX Series](/v1/docs/cisco-79xx-switching-between-calls)
- [Cisco - Phone: Cisco Function Settings - 79XX Series](/v1/docs/cisco-79xx-function-settings)
- [Cisco - Phone: Cisco Function Buttons - 79XX Series](/v1/docs/cisco-79xx-function-buttons)
- [Cisco - Phone: Returning to Initial Call - 79XX Series](/v1/docs/cisco-79xx-returning-to-initial-call)
- [Cisco - Phone: Placing a Call on Hold - 79XX Series](/v1/docs/cisco-79xx-placing-a-call-on-hold)
- [Cisco - Phone: Meet Me Conference Call - 79XX Series](/v1/docs/cisco-79xx-meet-me-conference-call)
- [Cisco - Phone: Cisco Call Forwarding All - 79XX Series](/v1/docs/cisco-79xx-call-forwarding)
- [Cisco - Phone: Placing a Call - Internal, External, 911 or 411 - 79XX Series](/v1/docs/cisco-79xx-placing-a-call)