How to Factory Reset your IP Phone

The guides below will take you through the process needed to bring back the factory defaults settings of your IP Phone. This step must be done before provisioning your IP Phone with 3CX in case the device has residual settings of a previous configuration.

Preferred

• Fanvil IP and Infrastructure phones
• Yealink T1, T2, T3, T4, T5, CP and VP Series
• Snom IP Phones and Conference phones

Supported

• Gigaset DECT Series: N670, N870
• Grandstream GRP and GXP Series
• Grandstream PA speaker - GSC35 Series: 3505, 3510
• Grandstream Doorphone GDS37 Series: 3705, 3710
• Polycom VVX Series

Legacy / EOL / 3rd party supported phones

• Aastra 6 Series
• Cisco 7940, 7941, 7960, 7961
• Cisco SPA Series
• Gigaset DECT Series: N510, N720
• Htek UC8 and UC9 Series
• Polycom SoundPoint Series
• Polycom Soundstation Series

Once you have successfully Factory Reset your IP Phone you can proceed with your phone provisioning. You can find a list of all the SIP Phone Configuration guides here.

Last Updated

This document was last updated on 6 April 2023

https://www.3cx.com/sip-phones/factory-reset-guides/