my modem is not dailing in win-xp, but it is dailing in win98, when i dailed inw in win xp the error (676 the phone line is busy)comming, this problem only in some system, the phone line goes into pulse, my be this not hardware problem, some configuration or telephone exchange, this problem getting only some systems, under some telephone exchanges, i faced this problem lotof system kindly send answar very urgent pls…………….