isdnbill(1) on Linux
The text 0386834d220d, as Debian 6.0 (Squeeze), Debian 5.0 (Lenny), Debian 4.0 (Etch) shipped it.
report isdn costs
Flags it lists
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-E -
-I -
-Nnnn -
-V -
-a -
-e -
-f -
-i -
-m -
-n -
-o -
-t -
-vn