Right-click the Stereo device and select Set as Default Device .
Expand Sound, video and game controllers .
Right-click Start → Device Manager .
Click the Recording tab. Find the corresponding Hands-Free AG Audio microphone entry.
Click OK . Reconnect your Bluetooth headset or restart Windows Audio service. windows 10 disable hands free telephony
Windows Registry Editor Version 5.00 [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\BTHPORT\Parameters] "DisableHandsFreeTelephony"=dword:00000001
Expand Audio inputs and outputs .
Open Control Panel → Hardware and Sound → Sound (or run mmsys.cpl ).
