BigPond MF636 7.2 driver for Windows 7

Hi Friends,
I have installed BigPond connection manager on my Windows 7, but seems to be not working. Do I need to have BigPond MF636 7.2 driver for Windows 7 separately installed. Please do the needful for guiding me, so that my BigPond MF636 USB Modem works with Windows 7.
Thanks,
Davionevan
