Detailed instructions for installing and configuring software such as Asterisk and Freeswitch from scratch on Linux.  If you require our services please feel free to contact us via our contact form.

Asterisk Freepbx on Ubuntu (Ubuntu v14, Asterisk v13, Freepbx v12)






This guide covers the installation of Asterisk®from source on Ubuntu.  Changes in this guide compared to previous guides include the use of Ubuntu v14, Asterisk v12 & v13, Freepbx v12, and the addition of the pjsip library.

Tested on:

Ubuntu Server v14.04 LTS 32bit & 64bit
Asterisk v12 & v13
FreePBX v12

Freepbx on Debian (Debian v7, Asterisk v11, Freepbx v2.11)



This guide covers the installation of Asterisk and Freepbx from source on Debian v7.   Although Debian includes Asterisk deb packages they are not used in this guide.


Tested on:

Debian Wheezy v7.5
Asterisk v11.9
Freepbx v2.11

Kazoo v3 Single or Multiple Server VoIP Telephony Platform Install Guide


Kazoo is an open source, scalable, distributed, cloud-based VoIP telephony platform.  It is designed to handle anything from small offices to small countries.  Kazoo relies heavily on other mature, stable, open source applications including Kamailio, Freeswitch, and Bigcouch.   

This guide shows how to install an entire Kazoo system on one or more CentOS v6 x64 servers from RPM.  It can be used for testing and development or production scenarios.


Bluebox FreeSwitch install guide (CentOS v6.x, Freeswitch v1.2, Bluebox v1)



This guide includes every detail in the form of step by step instructions from basic OS to a running Freeswitch + Bluebox VoIP PBX in about 1 hour.  In this guide we install Freeswitch and Bluebox manually from source. 

Simple IPTables Firewall with Whitelist and Blacklist


IPTables FirewallThe following is a simple IPTables firewall script that can be used for general purposes.  It includes a port list and whitelist/blacklist.  The script was tested on CentOS v6 and Ubuntu v12.

A2Billing v2 Install Guide


A2BillingThis guide will show how to install A2Billing v2.x on a Redhat Enterprise Linux v6 based system.  It is assumed you already have Linux and Asterisk and FreePBX installed using a procedure similar to this one.  It is also assumed you have compiled asterisk realtime driver module (res_config_mysql) by selecting it in asterisk menuselect before compiling asterisk. We do not cover the installation of the callback daemon.

Tested using the following software:

Freepbx on Ubuntu (Ubuntu v12, Asterisk v11, Freepbx v2.11)



This guide covers installing Asterisk and FreePBX from source on Ubuntu.  Although Ubuntu includes Asterisk deb packages they are not used in this guide.

Tested on:

Ubuntu Server v12.04 LTS 32 or 64bit
Asterisk v11.5
FreePBX v2.11

Creating a Standby Freepbx Server for High Availability


High Availability Failover

Tested on

CentOS v6 Freepbx v2.11
Asterisk v11


Terminology used

HA = High Availability.  Does not necessarily imply automatic failover.

Primary server = Live production server currently in use.