Hands__full__ Free Telephony Parameter Is Incorrect

Still stuck? Try connecting the headset to another PC to rule out a headset issue, or contact your PC manufacturer’s support for a custom driver package.

: Use the Microsoft Support Guide to check for the latest manufacturer updates, which can resolve service-level bugs. handsfree telephony parameter is incorrect

Here is a quick guide to bypassing the error and getting your high-quality audio back. Why Disable It? Still stuck

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: handsfree telephony parameter is incorrect