http://www.mhessler.de/i4lfaq/
It can be viewed online, or downloaded in sgml/text/html format.
The FAQ can also be viewed online at
- http://www.isdn4inux.de/faq/
+ http://www.isdn4linux.de/faq/
or downloaded from
ftp://ftp.isdn4linux.de/pub/isdn4linux/FAQ/