Setting up a virtual serial port using a generic Bluetooth driver

Plug the Bluetooth dongle in the USB port of your computer.

Switch on Bluetooth capability on your mobile phone. A small Bluetooth icon must appear on the screen of the phone. On some devices, a discovery mode must be turned on before the connection.
Click the Bluetooth icon in a tray by right mouse button. If a generic Windows driver is installed, you must see the popup menu shown in the figure.

Generic Bluetooth driver

Select the "Add Bluetooth device" menu item. A wizard will appear. Check that you have turned on Bluetooth and discovery mode on your mobile phone, set the checkbox in the wizard window an click "Next".

Wizard

The driver will discover the Bluetooth devices around you. Select the device you wish to connect and click "Next".
Choose a key for the connection, click "Next" and type the key on the mobile device.
The device must be now connected to the computer. The wizard will show you the name of an outgoing virtual serial port. Remember it, the name of the outgoing serial port (usually COMn) must be entered in Headwind GSM modem driver.

The name of a virtual serial port may be viewed by double-clicking the Bluetooth icon and selecting "COM ports" tab. If you see nothing in this tab, the generic driver probably can't open a virtual serial port. You may need to install a special manufacturer's software for opening a serial port.