This binary number defines the ISDN stack(s) to use for
the specified CAPI 1.1 or CAPI 2.0 applications.
For example; `Number=1 StkMask=0b1111 Version=capi20' means:
allow CAPI 2.0 applications requesting ISDN controller 1 to
use the ISDN stacks with IsdnStkNumber 0 - 3 on the BRICK. |