---
title: "Cisco 79XX - 7945-7965-7975 Factory Reset Procedure"
slug: "cisco-79xx-7945-7965-7975-factory-reset-procedure"
tags: ["calltower", "public"]
updated: 2026-09-18T13:50:39Z
published: 2026-09-18T13:50:39Z
canonical: "learn.calltower.com/cisco-79xx-7945-7965-7975-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 - 7945-7965-7975 Factory Reset Procedure

#### Goal

This article provides step by step instructions to help users to perform a factory reset on Cisco 7945, 7965, and 7975 phone models.

**Case Disposition:**

**Case Record Type:** Support Standard

**Type:** Problem

**Product:** Cisco

**SubProduct:** Hardware

**Issue:** 79xx

**Sub Issue:** Config/settings

**Other Issue:** Factory Reset

**Priority:** Priority 4

**Severity:** Low

**Department:** Support

## Resolution/Steps

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

1. Unplug the power cable from the IP phone and then plug it back in.
2. While the phone is powering up, and before the Speaker button flashes on and off, press and hold the hash # key.
3. Continue to hold # until each line button (right of the LCD screen) flashes on and off in sequence in orange color.
4. Now release the hash # key and type the following sequence 123456789*0#

After the sequence has been entered the line buttons on the phone flash orange, then green and the phone goes through the factory reset process. This process can take several minutes and the firmware of the IP Phone will be erased.

### 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)
- 7920: [Cisco - Phone: 7920 Factory Reset Procedure](/v1/docs/cisco-79xx-factory-reset-procedure)
- 7942 and 7962: Cisco - Phone: 7942 and 7962 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)