> I have a problem . My modem is detected by Linux, but when
> I try to connect by wvdial, this message is shown on console:
<snipped>
>
> Hmm... a prompt. Sending "ppp".
> ppp
> PPP: Not enabled
>
try wvdial as root. I don't think you have your permissions set correctly for everything wvdial "touches".
Preston