This is the standard way to turn off hands-free mode for a particular headset to improve audio quality. Open and go to Bluetooth & devices .

: Go to the Services tab. Wait for the list to load, then uncheck Handsfree Telephony . Save : Click Apply and then OK . Method 2: Permanently Disable Telephony Globally

If you are on Windows 11 Pro, Enterprise, or Education, you can prevent the system from ever initializing telephony drivers via the Group Policy Editor.

: Scroll to the bottom and click More devices and printer settings .

Before we toggle the switches, it is crucial to understand what "Telephony" actually means in the context of Windows 11. It does not simply mean "making phone calls."

Here’s a concise, step-by-step guide to turn off or disable telephony-related features in Windows 11.

If the setting keeps re-enabling itself after a restart, you can disable the underlying service.

If your settings keep reverting after a restart, you can disable the core Windows service that manages these connections.

If you are not using your PC to manage phone calls or sync with a mobile device, this service is essentially bloat—using system resources and adding to your startup time. Here is how to sever the link.