Book Image

The 3CX IP PBX Tutorial

By : Robert Lloyd, Matthew M. Landis, Matthew M Landis
Book Image

The 3CX IP PBX Tutorial

By: Robert Lloyd, Matthew M. Landis, Matthew M Landis

Overview of this book

Traditional PBX systems have often been expensive and proprietary. With 3CX, you can now create an easy-to-use, complete, and cost-effective phone system on Microsoft Windows. This practical guide offers the insight that a reader needs to exploit the potential that 3CX has to offer.This practical hands-on book covers everything you need to know about designing, installing and customizing 3CX to create an all-inclusive phone system. It takes a real-world approach that walks you through all aspects of 3CX and its features. From installing the software, to backing things up, to understanding what hardware you need – this book covers it all.The 3CX IP PBX Tutorial will take you from knowing very little about VoIP to almost expert level with detailed how-tos on every aspect of 3CX. Starting with the basics, and covering the free version of 3CX as well as the more advanced features of the Enterprise version, you will learn it all.In other words, this book covers numerous topics such as installation and configuration of 3CX, choosing a VoIP Provider, integration of a trunk into 3CX, the commonly used 3CX hardware, and backing up your phone system.
Table of Contents (15 chapters)
The 3CX IP PBX Tutorial
About the Authors
About the Reviewer


If you are using PSTN lines, feel free to skip this topic as you don't have to worry about any firewalls, NAT, or ports configurations.

Unless you stick your non-firewalled PBX system on the public network with a public IP, you will need to adjust your firewall. The firewall is usually your first line of defense in isolating your computers from the outside world. These can be hardware (Linksys/Cisco, Netgear, D-Link, among others) connected to your Internet modem, or software (Windows Firewall, or some other third-party software) firewalls that you will need to adjust to allow the SIP traffic into your private network.

Most people use Network Address Translation (NAT) in a small office/home environment. This makes it easy to set up, and you don't have to buy a bunch of static IPs' for various server uses (e-mail server, web server, PBC, and so on).

You will need to forward the following ports to your PBX:



UDP 5060

This is the standard SIP port used to send...