lmms has some dependencies that are not so easy to determine for Fedora
Basic setup :yum install cmake gityum install qt qt-devel
Synth extras :yum install libsndfile libsndfile-develyum install fluidsynth fluidsynth-develyum install stk stk-develyum install fftw-devel
Importantly for wine VST(i) :yum install wine wine-develyum install glibc-devel.i386
Hope this helps

My company has a Nortel PBX, with a full panel of extensions. However, we need to add more handsets. In addition, our traders have asked for ‘Turrets’ (more of this in a later post). The obvious route is to go VoIP – with the precondition that the Nortel PBX should be unaffected [...]

While all the packages I’ve seen try to put the sounds for Asterisk in /var/lib/asterisk/sounds, Fedora 10 (which includes asterisk-1.6.0.5-2) has a directory (empty) at /usr/share/asterisk.
To fix the problem : cd /usr/share/asteriskrmdir soundsln -s /var/lib/asterisk/sounds .