FreePBX Distro

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FreePBX Distro
FreePBX Distro
Developer(s) Sangoma Technologies Corporation
Stable release
10.13.66 / 1 April 2016; 10 months ago (2016-04-01) [1]
Development status Active
Operating system GNU/Linux
Available in English, Bulgarian Chinese German French Hebrew Hungarian Italian Portuguese Portuguese (Brazil) Russian Swedish Spanish
Type Voice over IP softswitch
License GPL

The FreePBX Distro is an open source unified communications software system that consists of a graphical user interface (GUI) for configuring, controlling, and managing Asterisk PBX software. The FreePBX Distro includes packages that offer VoIP, PBX, Fax,IVR, voice-mail and email functions. FreePBX is licensed under the GNU General Public License (GPL).

The FreePBX Distro Linux distribution is based on CentOS, which maintains binary compatibility with Red Hat Enterprise Linux. FreePBX has contributed to the popularity of Asterisk.[2]


The Official FreePBX Distro is installed from a CD-ROM image available by web download, that includes the system CentOS, Asterisk, FreePBX GUI and assorted dependencies.[3]

Support for telephony hardware[edit]

The FreePBX Distro has built in support for cards from multiple vendors, including Digium, OpenVox, Alto, Rhino Equipment, Xorcom and Sangoma.[4][5]

The FreePBX Distro supports a large number of phone models via open-source modules.[5][6]


FreePBX made its debut in 2004 as the AMP project (Asterisk Management Portal). The FreePBX Distro was released in 2011 as an All-In-One solution for building a PBX using Asterisk, CentOS and FreePBX.[7][8][9]

FreePBX has over 1 million active production PBXs and over 20,000 new systems added each month.[10] Supported PBX phone manufacturers include Aastra Technologies, Algo, AND, Audiocodes, Cisco Systems, Cyberdata, Digium, Grandstream, Mitel, Panasonic, Polycom, Sangoma, Snom, Xorcom and Yealink.[11]

The core telephony engine is Asterisk (PBX), as configured by the Open Source FreePBX GUI .[12]

The version numbering system summarizes the versions of core components of the FreePBX Distro. As an example, the FreePBX Distro 2.210.62-1 version string has the following components. The first number (2) represents the major track number. This second number (210) refers to FreePBX 2.10 GUI. The third number (62) refers to CentOS 6.2, and the final number (1) is used as the minor release revision of this major track number.

The latest stable release is FreePBX Distro Stable-10.13.66[13] based on these main components:

  • FreePBX 13
  • SHMZ OS 6.6 (Derived from CentOS)
  • Asterisk 11 or 13
  • DAHDI 2.10

Shell update scripts for each major release track are available on[14]


External links[edit]