PLEASE NOTE - brands such as Xiaomi / Huawei / Oppo / OnePlus may have their own proprietary operating system installed on their devices (MIUI & EMUI / HarmonyOS / ColorOS / OxygenOS)
which may not be fully compatible with the NUACOM mobile app as it has been built for Android devices.
Please select the options highlighted below in RED.
Select the Native Phone Application on the phone
Select Other Call Settings
Select Calling Accounts
Select Active Calling Accounts
Set the Nuacom slider to green.
This should allow the Nuacom Profile to work on the phone and the extension should now work with the Mobile App (Run a test to make sure)