Hands((top)) Free Telephony Parameter Is Incorrect Jun 2026
If you are stuck with this error, here is how to restore your Bluetooth services and fix the "parameter is incorrect" message. 1. The "Reset All" Workaround
Note: If the Services tab is missing, your Bluetooth driver is generic. Proceed to step 4. handsfree telephony parameter is incorrect
If you need more specific information or troubleshooting steps, please provide more context or details about the issue. If you are stuck with this error, here
Often, the error is caused by Windows losing track of the service state. A proven community fix is to "refresh" all services for that specific device. Go to > Devices and Printers . Right-click your Bluetooth headset and select Properties . Go to the Services tab. The Trick: Uncheck every box in the list and click Apply . Proceed to step 4
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.