SuSE Linux: Versions since 7.1
Several steps are neccessay. If you have configured your modem with YaST2 actually please delete the configuration in the respective dialogue of YaST2:
Now delete by the use of the following command (you have to be logged in as user root) the three files mentioned below:
rm /dev/modem
rm /etc/rc.dialout
rm /etc/wvdial.conf
To create a valid /etc/wvdial.conf use the following command as user root:
wvdial.lxdialog
Now the configuration dialogue of wvdial appears. Don´t make any changes and leave wvdial right away again. The programm recognizes the fact that no /etc/wvdial.conf exists and creates a new one after you have confirmed the question if the changes should be saved with "yes".
Now you can configure your modem anew with YaST or YaST2.