1. Download and install drivers:
http://helpdesk.houdinisoft.com/downloads/QDHTC.msi
Note: Notice Screenshots within installation
2. Open the phone keypad and dial ##3424# then Plug in the handset.
3. When “Found New Hardware Wizard” prompts you will select “Install from a list or specific location (Advanced)” option.
Mine will not find, any other way to install drivers?