Harden Security with v16: Nuts & Bolts

Strength in Unity In herds under attack, the bigger and more experienced animals protect the smaller, more inexperienced ones. Taking a page from nature's play book, the new 3CX v16 implements this exact approach by enabling the more experienced members to notify and protect the 3CX herd. When an attacker's IP is reported through the 3CX [...]

By |December 14th, 2018|11 Comments

Selling 3CX Phone System. A Guide.

So you have checked out 3CX - installed the product, convinced yourself. Now you need to convince your customer or maybe your CEO - to get the OK to invest in a brand new VoIP Phone System. We have put together a guide that helps you “sell” 3CX and get buy in. The guide provides you [...]

By |October 26th, 2018|3 Comments

3CX on Google Compute Engine – Part 2

In the first part of this 2-part article, we had completed most of the back-end preparation work. Here we will see how to create your “gold” image for eventual multiple deployments of 3CX on Google Compute Engine. Prepare your Instance for 3CX V15 Connect to your instance using the "SSH" button in the console Elevate to [...]

By |March 22nd, 2017|Comments Off on 3CX on Google Compute Engine – Part 2

3CX on Google Compute Engine – Part 1

Implementing 3CX in a cloud environment would be a great idea, particularly if we can offload the hardware management headaches to a competent hosting provider. Well, Google is about as safe a haven as you could find, and Google's Compute Engine is an affordable platform well-suited to this sort of task. To set up a 3CX machine [...]

Linux Command Line – a Primer

For any technician coming from the Windows world, where almost anything can be achieved by moving, clicking, and dragging icons, nodes, or windows, the Linux command line can seem a little daunting. This primer should help break down some barriers. You've just managed to log in to a Linux Shell... ...so the first thing to keep [...]

By |February 2nd, 2017|Comments Off on Linux Command Line – a Primer

Why Debian for 3CX?

To answer this question, we need to split into its 2 hidden components: Question 1: Why Linux instead of Windows? Question 2: Why Debian instead of some other Linux Distribution? My Personal Preferences To tell the truth, I don't REALLY have preferences. My IT life is as hybrid as one can possibly get, I think: Office [...]

By |January 23rd, 2017|Comments Off on Why Debian for 3CX?

Linux Essential Tools for Windows Techs

If you have spent your entire time working in the IT world on Windows machines, it may seem daunting to venture into the Linux world. You can prepare yourself, however, by setting up a kit of essential tools. Connecting to a Linux Console Managing a Linux machine is largely accomplished via a command-line interface. Practically all [...]

By |January 20th, 2017|Comments Off on Linux Essential Tools for Windows Techs

How to Perform OS, Security and Package Updates on Debian

Debian uses deb packages from repositories to manage the installation, upgrading and removal of software on your Debian system, including OS and Security updates. In order to update your system manually you will have to connect to your Debian host via SSH to have access to the terminal. Applying Debian security updates only Connect to your [...]

By |January 9th, 2017|Comments Off on How to Perform OS, Security and Package Updates on Debian

Implement QoS for 3CX VoIP on Debian Linux

If you need QoS on your Debian Linux system, this step-by-step guide shows how to create a rule for iptables that tags all traffic from the machine with a higher QoS so as to ensure traffic is given priority. Step 1: Making sure your QoS rules are applied permanently to your system By default, your Debian [...]

By |January 4th, 2017|Comments Off on Implement QoS for 3CX VoIP on Debian Linux

Real-Time Network Traffic and QoS

A quick definition of the term "Real-Time" is in order here. Probably the best way to explain this is by subtraction, or by explaining what it is not. Consider the timings behind the process of sending and receiving an email message. Email is occasionally described as a "store and forward" protocol, and even though it is [...]

By |November 4th, 2016|Comments Off on Real-Time Network Traffic and QoS

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