On Wed, Feb 27, 2013 at 9:09 AM, Reindl Harald <h.reindl@thelounge.net> wrote:

> I have to 'chattr +i /etc/init.d/asterisk' for new updates don´t change it ...

and if you instead
* chkconfig asterisk off
* create a native systemd-unit
* systemctl enable asterisk.service
you are clean and done
running here since F15 in 2011

The Fedora packages already have native systemd units. Creating your own shouldn't be necessary, although you would probably need to extend the stock unit file to get the proper ordering with respect to hylafax and iaxmodem.

--
Jeff Ollie