Handsfree Link Telephony Parameter Is Incorrect -

Right-click your Bluetooth headphones and select . Go to the Services tab. Uncheck Handsfree Telephony and click Apply . Step 2: Fix the "Parameter is Incorrect" Error

Now, re-check all the boxes (including Handsfree Telephony) and click again. This often forces Windows to overwrite the incorrect parameter with fresh data. 2. Restart and Configure Bluetooth Services handsfree telephony parameter is incorrect

Here is a quick guide to bypassing the error and getting your high-quality audio back. Why Disable It? Right-click your Bluetooth headphones and select

If nothing else works, a missing registry entry may be the cause. Step 2: Fix the "Parameter is Incorrect" Error

The "Handsfree Telephony parameter is incorrect" error is almost always a driver or service configuration issue—not a hardware failure. In most cases, will completely resolve it. If the problem persists, working through the steps above (especially reinstalling the Bluetooth adapter driver and re-pairing) will restore full handsfree functionality.

If any are set to "Disabled," double-click them and change the to Manual or Automatic . 3. Reinstall Bluetooth and Sound Drivers

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