drdsl - manage DSL configuration parameters
The drdsl utility is used to determine the DSL configuration
parameters for AVM DSL/ISDN-Controllers.
-q Quiet. Do no show the busy indicator.
-n Do not patch /etc/modules.conf.
-q Remove the files generated by the DSL Assistant.
-C <file>
Path of the drdsl.ini file (default is /etc/drdsl/drdsl.ini).
Should be more complete ...