Rest SPA 122 to factory settings - easy way

To reset the SPA122 to factory defaults follow these steps:

1. Plug in power adapter.
2. Plug in a phone to 'Phone 1′ port of the SPA122.
3. Dial ****
4. You should hear 'Configuration Option Menu'
5. Dial 73738# (RESET#)
6. Press 1 to confirm the reset.