Installing freepbx on debian etch

Heko,
I try to install freepbx 2.2.2 on debian etch.

I set up all the permission etc…

./install_amp seems to work, but no files will be copyed or directorys will be created.

Do I need to have a old freepbx version installed and upgrade to freepbx 2.2.2?

Thanks for help

Sven