In order to factory reset a Snom 300 or 320 via the phone interface, go through the following steps below:
Since firmware version 8.7.3.7 on the Snom 3xx Series it has also been possible to reset the phone using the key pad by pressing the following key sequence:
* Volume Up * Volume Down #
If you need any further help today, please don't hesitate to contact our friendly support team on 01403613614 or by email!