how do i configure my winmodem
 

i have this modem: pctel hsp56mr,and i have the driver for it,but i can't configure it. please help me

Here is a link to a mini-HowTo to install PcTel modem
http://www.peacefulaction.org/sayamindu/pctel.html
A lot of winmodems just will not work with Linux as the hardware has patented technologies and so drivers for these modems cannot be developed as Open Source.