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Adding a Free SIP Trunk to your 3CX Phone System

A step-by-step guide to adding a Twilio SIP Trunk to your 3CX IP PBX telephone system

How do we connect our phone system to the PSTN? How do I add a SIP trunk to my 3CX PBX telephone system?

These are the two most frequently asked questions since we recently launched our "How to Build a 3CX Phone System in 30 Minutes" course.

So here is the answer, our new course from MOD Tech that will answer the questions above. This will allow you to connect your 3CX phone system to a free SIP trunk from Twilio, which enables you to make and receive calls to and from any number in the world. A fully functional phone system for a monthly price of a cappuccino? Yes please!


Your Instructor


Ben Lockwood
Ben Lockwood

I have 15 years experience in the voice and telephone system market, with the last 10 years spent designing and deploying IP solutions for SME and corporate clients. I am actively designing and deploying VoIP solutions for clients around the world. I am also a qualified teacher, so I look forward to combining my passions and showing you how simple and effective it is to install your own unified communication platform #diytelephony #team3cx


Frequently Asked Questions


When does the course start and finish?
The course starts now and never ends! It is a completely self-paced online course - you decide when you start and when you finish.
How long do I have access to the course?
How does lifetime access sound? After enrolling, you have unlimited access to this course for as long as you like - across any and all devices you own.
What if I am unhappy with the course?
We would never want you to be unhappy! If you are unsatisfied with your purchase, contact us in the first 30 days and we will give you a full refund.

Get started now!