d link driver for xp

hey guys, i just bought yesterday a d-link modem, it sees the modem in my devices but when im dialing up it says error 777, so i called the company where i bought the modem, they told me to search the web for drivers, i spend a week already searching the net and i couldnt find any driver for my modem, can u pls help me guys, pleeeeeaaaaasssseeee. the model is DFM-560IS.

<a href="http://www.dlink.com.au/tech/drivers/files/modems/dfm560is.htm" target="_blank">http://www.dlink.com.au/tech/drivers/files/modems/dfm560is.htm</a>