How To: Factory Reset a Sangoma IP Phone Without the Admin Password Cam January 16, 2023 16:36 Updated From the home screen press the MENU key. On the number pad enter *** Hold the X key for 10 sec The phone will then display a message stating that it is REBOOTING. Related articles How To: Factory Reset a Grandstream Device How To: Share WiFi Connection to PC Port on Yealink Devices How To: Change the Behavior of Transfers via BLF on Yealink Devices How To: Factory Reset a Yealink Device