Before moving on with the solutions, please do note that Bluetooth headsets are yet not fully supported by Your Phone application. Moreover, check if restarting your devices solves the issue. Furthermore, make sure your phone/PC is not paired with another device as well as no 3rd party application was used to connect the devices via Bluetooth. Also, confirm that none of the devices is in the power-saving mode.  Additionally, make sure that Your Phone application can access your phone’s notification and can operate in the background of your PC/phone.

The issue at hand could be a result of a temporary glitch of the application due to its processes are in the error state. In this case, ending Your Phone Application’s processes and relaunching the application may solve the problem.

Solution 2: Use Bluetooth Personal Area Network

If one on one communication between the Bluetooth devices is not working, then using the Bluetooth Personal Area Network may solve the problem.

Solution 3: Disconnect and Reconnect the Bluetooth Devices

Your Phone application may not route the audio of a call to your Bluetooth headset due to a temporary glitch of communication/application modules. In this case, disconnecting and reconnecting the devices may solve the problem.

Solution 4: Reinstall the Sound Driver

You may encounter the error at hand if the sound driver of your system is corrupt. In this case, reinstalling the sound driver may solve the problem.

Solution 5: Setting the Headset as Default Audio Device

Applications prefer to use the default audio device for communication (if not specified otherwise). You may encounter the error under discussion if your headset is not set as the default audio device. In this case, setting the headset as the default audio device may solve the problem.

Solution 6: Change the App Volume and Device Preferences for Your Phone Application

Your Phone application may not route audio to the Bluetooth headset if its volume in the App Volume is muted/disabled. In this scenario, enabling audio in the App Volume and Device Preferences for Your Phone application may solve the problem. If none of the solutions worked for you, then you may try another 3rd party application (like Remote Phone Call) or otherwise perform a clean installation of Windows if your Bluetooth headset was previously working fine with Your Phone application (as Bluetooth calling is still not fully supported by Your Phone application).

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