I've been using Elastix 2.4 up until now and just heard about Issabel. During my last Elastix 2.4 install, I attempted to use an Intel Z300 based motherboard and encountered problems when I have a pci-e based FXO card installed (won't complete bootup and gives card timeout errors). When using the latest ISO of FreePBX, the same system comes up fine and the card works properly. Has anyone tried using Issabel with a pci-e based FXO card on a Z300 motherboard?