We’ve added some new ISOs you can use: Elastix MT/3.0 FreePBX 14 Alpha
A unified communications server software that brings together IP PBX, email, IM, faxing and collaboration functionality. It has a Web interface and includes capabilities such as a call center software with predictive dialing.
A web-based open source GUI (graphical user interface) that controls and manages Asterisk (PBX), an open source communication server. FreePBX is licensed under the GNU General Public License (GPL), an open source license.
AsteriskNOW makes it easy to create custom telephony solutions by automatically installing the "plumbing." It's a complete Linux distribution with Asterisk, the DAHDI driver framework, and, the FreePBX administrative GUI.
PBX in a Flash
A high-performance turnkey PBX in one place. Once you have your system installed, you'll have a fully functional server with the CentOS Linux operating system including an Apache web server, a SendMail server, a MySQL database server, an IPtables firewall, PHP, phpMyAdmin, WebMin, and more plus your choice of Asterisk 1.8, 10, or 11 and FreePBX 2.9, 2.10, or 2.11.