FreePBX-Installation 1. Pre-installation In order to setup call center server first we have to confirm that our system is full filled the minimum requirements. This asterisk deployment is based on RedHat distribution aka CentOS. To full-fill the above requirement we are going to setup asterisk 11 on CentOS 6.5 (x64). 1.2 CentOS 6.5x64 installation It is recommended to install CentOS 6.5x64 minimum version and manually install all the other package as our requirement. At the beginning it recommended to configure the logical disk drives aka Raid. Note that some of the server-rigs will not compatible to centos 6.5x64, most of the time it’s because the particular server’s Raid drivers might not be found in centos 6.5x64 disk. In such scenario please follow the below instruction. First we have to download the Raid driver from relevant vendor. (If it’s HP you will find somewhat like this hpvsa-X.X.X-X.rhel6u.5x86_64.dd). Note that if the dr