December 7, 2011 – 6:58 pm | 16 Comments

3CX is pleased to announce a new release of 3CX Phone System 10, build 22686. Service Pack 5 fixes numerous 3CX Wallboard issues and also adds a new and important caller ID feature. To download …

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Articles in VoIP How To

What is QoS (Quality of Service)? A guide
April 3, 2009 – 6:25 pm | Comments Off

In the VoIP / telecommunications  field, the term QoS (Quality of Service) refers to resource reservation control mechanisms. Quality of service is the ability to provide different priority to different applications, users, or data flows, …

Busy Lamp fields? VoIP Article
March 19, 2009 – 8:06 pm | Comments Off

Busy Lamp fields are the LEDS on phones that indicate the status of other extensions.  BLF fields have been “inherited” from old style PBXs that have this feature.
Nowadays, presence information is also displayed via 3CX …

How can I view SIP traffic with the Wireshark Network Capture tool?
March 4, 2009 – 5:42 pm | Comments Off
How can I view SIP traffic with the Wireshark Network Capture tool?

To troubleshoot or analyze a particular problem, it is often handy to take a closer look at the actual SIP traffic being sent to and from 3CX Phone System or the 3CX VOIP client.

For example:

You …

How and when can I switch off STUN Resolution?
March 1, 2009 – 3:48 pm | Comments Off

How and when can I switch off STUN Resolution
STUN resolution is necessary for the PBX to understand what it’s public IP Address is, and what port mappings are in effect for Media (to attempt NAT …

What Call Progress Tones should I enter for my country?
March 1, 2009 – 1:42 pm | Comments Off

Call Progress tones are audible tones used  by the public switched telephone network (PSTN) central office or a private branch exchange (PBX) to signal calling parties the status of phone calls. VoIP Gateways must understand …

Magically Expanding Call Queues
February 17, 2009 – 11:22 am | Comments Off

One of my favorite things about 3CX is that it is so easy to get creative about how we leverage the great features the product has to offer. It never ceases to amaze me how …

3CX Phone System Right Choice in Current Economic Climate
January 22, 2009 – 9:54 pm | Comments Off

In a world filled today with news about recession, banking meltdowns, weak corporate performances,  and bear financial markets, it can sometimes be difficult to see opportunity amongst the sea of negative press.  Quite honestly, I’ve …

Re use analog phones with a Grandstream GXW 4024 FXS gateway
January 16, 2009 – 12:46 pm | Comments Off

Reducing VoIP PBX cost by using existing analog phones

STUN and VoIP – part 1
January 9, 2009 – 7:55 pm | 2 Comments

STUN stands for Simple Traversal of User Datagram Protocol (UDP) through Network Address Translators (NAT’s). It is used in several different network implementations and scenarios, one of which is VoIP. Because of the way protocols …

Connecting your Home Phone to 3CX
December 22, 2008 – 5:29 pm | 23 Comments

As many of you probably do, I use Vonage service at my home over my cable Internet connection.  The other night as I was sitting downstairs trying to convince my 1 month old to go …

Is Mobile VoIP the Next Frontier for IP PBX’s?
November 20, 2008 – 4:10 pm | Comments Off

The VoIP industry, like many industries is becoming stratified. There seems to be several emerging markets – such as residential VoIP markets (i.e.: Vonage and Charter), personal VoIP markets (i.e.: Skype and Gizmo), and enterprise …

Why choose 3CX Phone System?
November 18, 2008 – 5:40 pm | 5 Comments

This 10 minute sales presentation explains the unique selling points of 3CX – what makes our system different and what its key features are.

How an IP PBX works and its benefits
November 18, 2008 – 5:29 pm | Comments Off

This 5 minute sales presentation gives you a high level overview of how a PBX works and the main benefits of a VoIP PBX.

Designing a Quality VoIP Line Solution with 3CX
November 11, 2008 – 4:54 pm | 3 Comments

One of the things I love most about 3CX is the ease with which you can add VoIP lines.  It’s quick and easy to create multiple VoIP lines for different purposes such as, long distance providers …

VoIP and IP PBX, More Than “Messaging” Being Unified
November 6, 2008 – 3:15 pm | One Comment

What does that mean? At first, it might not be clear – but read on …..
Not long ago I remember two industries that seemed closely related, yet probably couldn’t be further apart. I’m talking about …

Adding Call Record Buttons to an Aastra 5i IP Phone
November 5, 2008 – 1:39 pm | Comments Off

Two of the great features of the 3CX IP PBX are its ability to perform call recording and its ability to activate/deactivate call recording via the HTTP API. Most users are aware that call …

Cutting costs and becoming more efficient with an IP PBX
October 29, 2008 – 5:56 pm | Comments Off

If you are running a business and have been waiting for the right moment to take cost-cutting measures seriously, this is undoubtedly the time to do just that.
To ensure serious cost savings, one of the …

Which phone system is best for your organization?
October 24, 2008 – 2:21 pm | Comments Off

Having to select a new business telephone system for your office can be confusing and time-consuming due to the many options available in the market nowadays.  If you are not an expert in telephony, you …

3CX and Crisis Management
October 20, 2008 – 1:32 pm | Comments Off

Crises cannot be avoided. That’s a fact. But there is a key to help any business sail successfully through a crisis: PREPAREDNESS.
Unfortunately, crisis preparedness can be costly and complicated.
Most businesses have some kind of system …