Hi Saifi, I used 'wvdialconf' command to build the conf file on my open suse 10.2 machine. wvconf detects usb modem, its speciifcations & build conf file compatiable to usb modem. more details are here. http://linuxcommand.org/man_pages/wvdialconf1.html
Best Reagards Sumit p.s. i am not claming this will resolve the performance issue.
