__top__ - Handsfree Telephony Parameter Is Incorrect

If you’ve ever connected a pair of Bluetooth headphones or a headset to your Windows PC, only to find that you can hear system sounds but your voice won’t go through—or the audio quality suddenly becomes terrible during calls—you may have encountered a frustrating error message:

The error can also stem from the background Windows services that manage Bluetooth communication being stuck. Press Win + R , type , and hit Enter. Locate the following services: Bluetooth Support Service Bluetooth Audio Gateway Service Telephony For each, right-click and select Restart . handsfree telephony parameter is incorrect

: Open the Device Manager , expand the Bluetooth section, right-click your Bluetooth adapter, and select Uninstall device . Restart your PC; Windows will automatically reinstall the driver, which often clears the "incorrect parameter" conflict. If you’ve ever connected a pair of Bluetooth