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VoIP How To - Page 3

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 PC My office desk currently holds a Dell running Windows 10 [...]

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 Linux machines provide a command-line interfac [...]

By |January 20th, 2017|Comments Off on Linux Essential Tools for Windows Techs
How to Perform OS, Security and Package Updates on Debian

Note: This content is for 3CX V15 which is not supported. This content is not valid for newer versions of 3CX. 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 acces [...]

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 Linux system will NOT save any rules applied at runtime. This can however [...]

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 not absolutely correct to classify it this way (refer to [...]

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

If you do need QoS, this step by step guide shows how to create a policy in Windows 2008 or 2012 that tags all traffic from the machine with a higher QoS so as to ensure traffic is given priority. Step 1: Create a Local Policy for QoS Run “gpedit.msc” Go to the “Local Computer Policy -> Computer Configuration -> Windows Settings” node Right-click on “Policy-based QoS” and [...]

By |November 3rd, 2016|Comments Off on QoS on Windows - An Example
More Support for Legacy Phones

3CX supports a large number of phones, divided into supported phones and legacy phones - What's the difference and what's changing? Supported Phones Supported phones are from companies with whom 3CX has an active partnership which allows us to fully support the phones - it means all 3CX features are implemented on these phones, new firmware is tested and provided for download t [...]

By |June 8th, 2016|Comments Off on More Support for Legacy Phones
Export your Extensions from Asterisk®* to 3CX

Migrating from one PBX to another is not an easy task. It usually takes a lot of time for the Administrator to set up the new PBX to include all the extensions and users that the previous PBX had. The good news is that if you’re migrating from an Asterisk® to 3CX we’ve made this process much easier. We’ve created an export module which you can easily upload onto your Asterisk® [...]

By |June 1st, 2016|Comments Off on Export your Extensions from Asterisk®* to 3CX
What is the STUN Protocol, Its Purpose and how it Works

STUN stands for Simple Traversal of User Datagram Protocol (UDP) through Network Address Translators (NAT’s). The protocol is used in several different network implementations, one of which is VoIP. STUN is used to resolve the public IP of a device running behind a NAT, to solve problems such as one-way audio during a phone call or phone registration issues when trying to regis [...]

By |June 16th, 2015|Comments Off on What is the STUN Protocol, Its Purpose and how it Works
How to Make Calls Using Fanvil C62/C58

In this example we will demonstrate how to make calls using Fanvil C62 and C58. Fanvil phones support CTI Mode. Making a Call Dial the number you wish to call using the keypad and press the “Dial” soft key. The phone will dial the number and your call will be connected. [...]

By |April 1st, 2015|Comments Off on How to Make Calls Using Fanvil C62/C58

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