How to install 3CX Phone System on Standard Debian Linux

Cookbook to install 3CX Phone System v18 on Standard Debian 10 Linux on KVM Cloud

October 12, 2022

Most local cloud service providers don’t allow uploading custom ISO to install. They just provide SSH access to the cloud server or whatever port needs to be opened on the firewall, but you only get a fresh OS from a list of choices they have. You are doomed if you want to install 3CX Phone System on the cloud using the traditional ISO installation method.

If you are also facing the same issue of installing 3CX Phone System on your cloud, let’s see what to do.

Prerequisite for 3CX Phone System

A cloud instance with Debian ISO installed on it. We will be trying Debian Linux 10.

Adding the repository

Run the commands below as the root user:

SSH Config

apt install gnupg

Command: Apt Install Gnupg — **Command:** apt install GnuPG

SSH Config

wget -O- http://downloads-global.3cx.com/downloads/3cxpbx/public.key | apt-key add -

02-add-3cx-public-key - Roosho. — **Command:** wget -O- http://downloads-global.3cx.com/downloads/3cxpbx/public.key | apt-key add –

SSH Config

echo "deb http://downloads-global.3cx.com/downloads/debian buster main" | tee /etc/apt/sources.list.d/3cxpbx.list

03-download-3cx-package - Roosho. — **Command:** echo “deb http://downloads-global.3cx.com/downloads/debian buster main” | tee /etc/apt/sources.list.d/3cxpbx.list

SSH Config

apt update && apt install net-tools dphys-swapfile htop mtr screen curl dnsutils -y

04-apt-update-apt-install - Roosho. — **Command:** apt update && apt install net-tools dphys-swapfile htop mtr screen curl dnsutils -y

Commands for installing 3CX

SSH Config

apt install 3cxpbx -y

05-apt-install-3cxpbx-y - Roosho. — **Command:** apt install 3cxpbx -y

Start the installation

The installation already began with the previous command apt install 3cxpbx -y. When asked, Press Tab to select the <Ok> button and press Enter to accept the 3cx license agreement.

3cx License Agreement — 3CX License Agreement

Finish the Installation of 3CX Phone System

When the installation is finished, you will see the following screen, which asks you to select the configuration option. I’d recommend typing 1 (which selects Using a Web Browser) and hitting Enter, which will show you the URL to configure 3CX Phone System.

Finishing the 3cx Installation — Finishing the Installation

To configure 3CX Phone System and finish, you might look into this article.

3cx 3CX v18 Cloud Debian Debina 10 How to KVM Linux VoIP

Roosho

I am Rakib Raihan RooSho, Jack of all IT Trades. You got it right. Good for nothing. I try a lot of things and fail more than that. That's how I learn. Whenever I succeed, I note that in my cookbook. Eventually, that became my blog.