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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External and Internal Devices: Network Topology
September 3, 2009 – 7:17 pm | Comments Off

Introduction
3CX Phone System frequently communicates across LANs and establishes calls between devices (softphones, hardphones, gateways, VoIP providers, and PBX bridges) which are located on different networks. The PBX communicates both with devices that are inside …

IP Telephony
September 2, 2009 – 2:41 pm | Comments Off
IP Telephony

What every business needs to know about IP Telephony
Internet Telephony (IP Telephony) is the term commonly used to define the transmission of phone calls over the Internet. This is regardless of whether traditional telephony equipment, …

Provisioning unsupported IP phones
August 30, 2009 – 5:04 pm | Comments Off
Provisioning unsupported IP phones

Introduction
HTTP provisioning of phone sets is useful for an administrator as it helps to automate the process of configuring the phone set for a particular extension. The administrator creates the extension as usual, and in …

Demystifying the VoIP IP PBX
August 30, 2009 – 11:17 am | Comments Off

by Mike Deerfield, CEO, Deerfield.com
This article will discuss the benefits of IP PBX and 3CX, the various business opportunities available because of it, and how to identify what each 3CX customer needs.
While reviewing the emerging …

3CX Makes Company Phone Systems talk Skype
August 24, 2009 – 6:07 pm | 4 Comments
3CX Makes Company Phone Systems talk Skype

3CX Launches Free SIP to SKYPE Gateway for 3CX Phone System users
August 24, 2009 – 3CX today announced that it has released 3CX Gateway for Skype, which allows VoIP Phone System users to receive and …

What to look for in a VoIP provider?
August 19, 2009 – 2:11 pm | Comments Off

Once you decide to break your company free from a traditional phone system, one of things that make adopting IP Telephony attractive is the ability to use a VoIP provider to save on phone call …

3CX Partner Training in London, 16/17 September
August 10, 2009 – 6:20 pm | One Comment

After the hectic summer months, 3CX will recommence the popular FREE partner one day technical workshop on the following dates:

Wednesday     16th September
Thursday         17th September

These events always prove popular, so …

3CX / VoIPstore training event 4th Sept Los Angeles
August 7, 2009 – 6:25 pm | Comments Off

VoIPstore and 3CX are organizing a training day in Los Angeles, California on September 4th. The training will show how easy it is to deploy and manage a 3CX phone system. You will learn all …

Analyzing a SIP Call
August 4, 2009 – 8:38 pm | Comments Off

This document describes how a SIP call is established in 3CX Phone System, and what events will be written to the ‘Server Status’ page in the 3CX Management console. Using this call flow description, and …

How do I disable Internet Explorer Enhanced Security Configuration for Windows Server 2008
August 4, 2009 – 8:25 pm | Comments Off
How do I disable Internet Explorer Enhanced Security Configuration for Windows Server 2008

If you want to manage and configure 3CX Phone System on Windows 2008 server operating systems, you will have to disable IE ESC on the server.

Go to Start and click on “Server Manager”
Click on “Configure …

Is Microsoft ISA server 2004 / 2006 supported as a firewall for VOIP?
August 3, 2009 – 7:00 pm | Comments Off

The issues with Microsoft ISA server 2004 and 2006
Unlike most professional firewalls, Microsoft ISA server is not able to do static port mapping. Without static port mapping it is not possible to reliably connect to …

3CX Voice Application Designer (VAD) is here!
August 3, 2009 – 3:38 pm | 4 Comments
3CX Voice Application Designer (VAD) is here!

I am proud to announce the first beta of our new 3CX Voice Application Designer product. Proud because this is an industry first – 3CX Phone System is the first PBX to have such a …

3CX Phone System v8 Beta Available!
July 31, 2009 – 8:00 pm | 11 Comments

We are happy to announce the first beta of version 8! Here are the features we have been working on:
All versions

New Phones management page lists all connected IP phones and allows you to re provision …

Setting phones to use FQDNs instead of IP Addresses
July 16, 2009 – 1:37 pm | Comments Off
Setting phones to use FQDNs instead of IP Addresses

During set-up you are prompted to enter the FQDN of the phone system server OR the SIP domain. This SIP domain is used if you wish to use Direct SIP calls (more info here), but …

Receiving a Fax using a VoIP Provider with 3CX
July 8, 2009 – 8:30 pm | 16 Comments

Please note that this information does NOT apply to V8. For V8, please go to this link: http://www.3cx.com/blog/releases/3cx-fax-update11344/

For those of you who have been dreaming about the possibility of receiving a Fax over a VoIP …

Video calls with 3CX Phone System
July 6, 2009 – 6:09 pm | 2 Comments

We often get asked if 3CX supports video. Yes it does! All you need of course is a phone that is capable of video, such as a Counterpath Bria. The phone must not be working …

How can I adjust the configuration for unsupported VOIP providers or gateways?
July 5, 2009 – 5:20 pm | Comments Off

How can I adjust the configuration for unsupported VOIP providers or gateways?
3CX performs extended tests with a number of VoIP Providers and Gateways. This allows us to create optimized templates for use with these tested …

How to solve Source Identification issues
July 5, 2009 – 5:18 pm | Comments Off

The source of a call must be identified for security. This FAQ explains how 3CX Phone System identifies the source of calls by default and how you can adjust the default to make it work …

3CX Gateway for Skype 2.0 – Beta released!
June 25, 2009 – 1:57 pm | 9 Comments
3CX Gateway for Skype 2.0 – Beta released!

Recently we released a ‘prototype’ of a Skype Gateway – 3CX Gateway for Skype 1.0 which was based on an open source component. This allowed you to make and receive calls to Skype users. Using …

Connect your Apple iPhone to 3CX Phone System
June 24, 2009 – 9:07 pm | 5 Comments

For those of you who adore the Apple iPhone or even iPod Touch, it is possible to connect your iPhone to 3CX Phone System. It requires the purchase of a small SIP phone from Appstore, …

Securing your Windows VoIP PBX
June 22, 2009 – 7:58 pm | Comments Off

As with any application, a VoIP phone system needs to be secured, and this article outline some important things you can do to keep your phone system secure:
1. Install your phone system behind a firewall
The …

Understanding FoIP (Fax over IP), T.38 and the fax server
June 16, 2009 – 8:36 pm | Comments Off

What is a FoIP
FoIP – FAX over IP, is the technology used to allow faxing via the computer network. Because Fax is not ideally suited to travel via a normal phone call, the T38 protocol …

How to extend the inter digit timeout
June 10, 2009 – 8:59 pm | Comments Off

It is possible for a user to make an outbound call via the Voicemail menu.
Dial 999 -> Enter PIN -> Press 9 (for options) -> Press 3 (to dial an external number) -> Dial external …

3CX Call Assistant with CRM integration Version 7.1.3438
June 8, 2009 – 8:39 pm | Comments Off

An updated build has been released with some improvements and fixes.
Change log:

Fixed: Polling of outlook contacts from multiple outlook files
Fixed: Exchange Outlook integration
Fixed: Permissions issue in Exchange
Fixed: Missed calls issue on German Operating systems.
Fixed: Error …