Factory resetting a Mitel IP phone restores the device to its original state to correct configuration errors. In this guide, you will learn how to reset your phone in a few simple steps and resolve common issues. Follow this quick procedure to clear all customised settings and cleanly reconfigure your device.
1. Resetting the phone step by step
Perform these steps directly on your device's keypad :
- Press the Options or Settings key on the phone
- Select the Advanced option
- Enter the administrator password (default: 22222)
- Navigate to Reset then Factory Default
- Confirm by selecting Yes
- Allow the phone to reboot completely
⚠️ This action will permanently delete all your customised configurations.
2. Resolving errors and setting up a new service
If your phone does not retain its settings or if you change VoIP provider:
- Check phone compatibility with the new service
- Obtain specific parameters from your provider's technical support
- Ensure network and Ethernet connections remain active during the transition
💡 If the device reverts to the previous settings, a lock from the previous firmware is often the cause.
3. Other solutions and general troubleshooting
For other brands or persistent network issues:
Yealink phones
- Reset them via their physical menu or web interface.
- If admin access is blocked, a factory reset remains the best solution.
Quick troubleshooting
- Check the accuracy of the admin password
- Check the IP configuration of the device
- As a last resort, replace it with a recommended compatible model
🎉 You now know how to reset your Mitel IP phone to configure it without any hassle!