VoIP Phones - Factory Reset
Here's how to Factory Reset your VoIP Phone:
Snom 3xx Series
Since firmware version 18.104.22.168 on the Snom 3xx Series it is possible to reset the phone using the key pad by pressing the following key sequence:
* Volume Up * Volume Down #
To set the phone back to "Admin mode", press the Settings key.
- Firmware versions lower than 7.X: Select "Admin Mode".
- Firmware versions lower equal or greater 7.X: Enter "Maintenance" and select "Admin Mode".
- On the prompt enter your administrator password, if you have set one, or the default password, which is "0000" (four zeros), and confirm.