Sangoma Phone desktop on Win11 forgets mic permissions

I have a support ticket open on this but wanted to see whether anyone in the community saw this behavior.

On Windows 11, Sangoma Phone with a USB mic is forgetting permissions given to it for the mic after a few hours of use, and then popping up a notice “Cannot join the call. The app does not have permission to use your microphone.”

No issue on MacOS or Windows 10. It seems to be a Windows 11-specific problem.

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