Karsten Keil from SUSE Linux AG (my tutor for the thesis) for his invaluable support and patience when answering me many ISDN questions, doing tests and for his suggestions concerning the architecture of CapiSuite

Prof. Dr. Wolfgang Jürgensen from the UAS Landshut (my tutor from the UAS) for his help in ISDN questions during the thesis and for teaching me the ISDN basics in his lecture before

Prof. Dr. Peter Scholz from the UAS Landshut (second tutor from the UAS) for his support and his suggestions

my girl friend Claudia and her sister Bethina for proof-reading my thesis

Peter Reinhart from SUSE for proof-reading my thesis

many colleagues from SUSE for helping me with technical problems, esp. Andreas Jaeger, Andreas Schwab, Thorsten Kukuk and Andi Kleen

Achim Bohnet for being the first one from the community trying to compile the CVS version and making me quite some suggestions how to improve it