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    Technical tips to run your VoIP PBX more efficiently

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    3CX, Aastra, Cisco, Yealink, Grandstream, Polycom configs

VoIP How To

CallerID Processing with 3CX Phone System – Including Distinctive Ringing Features

December 16, 2010 - 6:15 pm | 0 Comments

When 3CX Phone System receives an incoming call, using the CallerID Reformatting feature we can standardize the internal representation of the Caller’s Number, and then make sure that the number is displayed correctly to the destination endpoint for the call. To achieve this, 3CX Phone System must be correctly configured. We will be discussing the settings which need to be made, quoting some examples to help with understanding the internal

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Using Patton FXS Gateways with 3CX PhoneSystem

December 16, 2010 - 4:07 pm | 4 Comments

Note 1: These devices have been tested for Fax and Voice using firmware ‘Smartware 5.4 Build Series 2009-11-18‘ versions available from http://upgrades.patton.com/submodelselect.asp?model=SmartNode

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Configuring “Play On Phone” for Outlook with 3CX PhoneSystem

December 3, 2010 - 3:24 pm | 7 Comments

If you have enabled Exchange integration inside 3CX PhoneSystem, with Outlook 2007/2010 as an Email client you can take advantage of the “Play On Phone” feature. For details about enabling 3CX PhoneSystem and Exchange Server Integration, please refer to this article: http://www.3cx.com/blog/featured/exchange-server-2007-2010/

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Configuring the time zone on IP phones

November 24, 2010 - 8:23 pm | 1 Comments

3CX PhoneSystem includes functionality to easily set the Time Zone and DST (Daylight Savings Time) parameters on phones via provisioning. 3CX PhoneSystem is delivered preconfigured with default values for US Eastern Time. You can manage Time Zone settings from the 3CX Management Console in the “Settings->Phone Provisioning” page.

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Using JavaScript in VAD applications

October 22, 2010 - 6:07 pm | 2 Comments

3CX Voice Application Designer (VAD), transforms the diagrams from your designed application into VoiceXML scripts. VoiceXML scripts can have JavaScript code to make some computations so the JavaScript library is available to the application designer. You can take advantage of this functionality simply by using the objects and functions available. As an example, we will create an application that can give a different welcome prompt message depending on the time

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How to make a blind and attended transfer with Yealink

September 24, 2010 - 5:45 pm | 5 Comments

In this example we will demonstrate how to perform a blind and attended (consultative) transfer using a Yealink. We will assume that an incoming call will be received on the Yealink phone which is registered to Extension 114. Note: A Blind Transfer is a transfer to another extension without actually initiating a call to the end destination. The call is blindly transferred to the destination. By comparison, an attended transfer

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How to make a blind and attended transfer with Linksys

September 19, 2010 - 3:23 am | 0 Comments

In this example we will demonstrate how to perform a blind and attended (consultative) transfer using a Linksys SPA962. We will assume that an incoming call will be received on the Linksys phone which is registered to Extension —. Note: A Blind Transfer is a transfer to another extension without actually initiating a call to the end destination. The call is blindly transferred to the destination. By comparison, an attended

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Working Sonicwall Configuration for 3CX PhoneSystem

September 6, 2010 - 10:04 pm | 0 Comments

Many users are battling with Sonicwall devices, and even though 3CX cannot provide support for this, we have the following notes to hopefully help you with your configuration.

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How to diagnose problems in applications built with 3CX Voice Application Designer

September 3, 2010 - 7:02 pm | 2 Comments

The 3CX Voice Application Designer (VAD) is a powerful tool for creating voice applications quickly and easily, without needing to have great programming or telephony skills.

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How to make a blind and attended transfer with Grandstream

September 1, 2010 - 2:33 pm | 2 Comments

In this example we will demonstrate how to perform a blind and attended (consultative) transfer using a Grandstream GXP2020. We will assume that an incoming call will be received on the Grandstream phone which is registered to Extension 101. Note: A Blind Transfer is a transfer to another extension without actually initiating a call to the end destination. The call is blindly transferred to the destination. By comparison, an attended

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What is your favorite IP Phone?

August 27, 2010 - 4:18 pm | 15 Comments

We’re interested to see which of the many phones that 3CX supports are most popular. Let us know by voting for your favorite IP phone!

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3CX Assistant Configuration for 3CX PhoneSystem V9

August 11, 2010 - 6:30 pm | 0 Comments

Prior to V9, 3CX Assistant configuration required a separate profile for connecting from the LAN, from the WAN without the tunnel (direct), and from the WAN with the tunnel. For most users, 2 profiles would be necessary, and such users would typically have one profile for LAN connection and another profile for WAN connection using the tunnel. 3CX PhoneSystem V9 now allows you to create a single profile for both

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Implementing QoS on a Windows 2008 Server

August 10, 2010 - 3:57 pm | 2 Comments

These are instructions to create a basic catch-all policy for all traffic generated from a machine running 3CX PhoneSystem which tags all traffic with a DSCP value of 56.

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Dial 0 for Operator

August 5, 2010 - 5:55 pm | 2 Comments

Sometimes you will want to dial a phone using a number that is NOT its extension number. The following documentation will show you how to set up an alias for an extension. For Example:  The question we get regularly is “How can we set up Dialing 0 for operator?”.

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3CX Anti-Hacking. How to secure your 3CX PBX V9

August 3, 2010 - 4:39 pm | 0 Comments

How to make a 3CX Phone System Version 9 even more secure With the introduction of the new V9 3CX PBX we decided to add some extra security to the PBX. This new feature is called the “3CX Anti-Hacking” and located under Settings/Advanced/Anti-hacking tab. It’s main purpose is to block any malicious attacks targeted to the 3CX Phone System server in case the administrator has not taken the needed precautions

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3CX Phone Configuration

August 2, 2010 - 5:34 pm | 0 Comments

3CX Phone can be configured to connect to 3CX PhoneSystem from the same LAN, and also from a remote location. If 3CX Phone is going to be used from a remote location, you can also take advantage of the built-in tunnel functionality to overcome NAT traversal issues, allowing you work from virtually any remote location. 3CX Phone has STUN settings pre-configured, but it is smart enough to know that it

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Collecting Logs and Network Traffic Captures for 3CX Support

July 31, 2010 - 9:54 pm | 0 Comments

Very often, when you are troubleshooting issues, the 3CX Support team will ask for logs and captures to look at the issue in more detail. When certain behaviour of 3CX PhoneSystem is being investigated, the 3CX Support team will want to compare the decisions taken by the 3CX PhoneSystem (which can be seen in the logs) to the real network messages being exchanged (which can be seen in the Network

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Forwarding Rules for 3CX PhoneSystem V9

July 28, 2010 - 5:18 pm | 4 Comments

Version 9 of 3CX PhoneSystem introduces a more powerful control set for Forwarding Rules. Each extension can be in any one of 5 different statuses: Available Away Out of Office Custom #1 Custom #2 Version 9 also allows us to define, for each extension number, the user’s mobile number (cell phone number).

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Router Configuration for 3CX PhoneSystem

July 23, 2010 - 5:17 pm | 3 Comments

Correct Router Configuration is a key element in ensuring correct communications between 3CX PhoneSystem and external entities such as external extensions, VoIP Provider services, and other Bridged PBXs. NAT and/or PAT When a network host A sends a request to another network host B, it will be expecting a reply to the request. When both network hosts reside on a Public IP Address, the exchange is direct, and simple enough.

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Outbound Rules – A Complete Example

July 20, 2010 - 4:44 pm | 2 Comments

Configuring Outbound Rules on 3CX PhoneSystem is a very simple affair if you have a single device or service which you deliver calls with – in most cases a single rule will be enough. But the Outbound Rules in 3CX PhoneSystem allows you to create much more complex rules – allowing you to not only select backup routes which come into effect when other routes fail, but also to select

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3CX Phone Provisioning – A Complete Guide

July 12, 2010 - 4:24 pm | 1 Comments

The whole point of provisioning phones is to eliminate the difficulties associated with manually configuring a large number of devices: It is a tedious task It can be very time consuming Possibility of Human Error Retaining a Standard Config Enterprise-Wide

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How to make a blind and attended transfer with Snom

July 7, 2010 - 8:52 pm | 6 Comments

In this example we will demonstrate how to perform a blind and attended (consultative) transfer using a Snom 360. We will assume that an incoming call will be received on the Snom phone which is registered to Extension 100. This procedure applies to Snom 300, 320, 360, 370. Note: A Blind Transfer is a transfer to another extension without actually initiating a call to the end destination. The call is

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How to make a blind and attended transfer with Cisco SPA

June 23, 2010 - 4:35 pm | 2 Comments

In this example we will demonstrate how to perform a blind and attended (consultative) transfer using a Cisco IP Phone SPA525G. We will assume that an incoming call will be received on the Cisco phone which is registered to Extension 103. Note: A Blind Transfer is a transfer to another extension without actually initiating a call to the end destination. The call is blindly transferred to the destination. By comparison,

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How to make a blind and attended transfer with Polycom

June 18, 2010 - 1:25 pm | 4 Comments

In this example we will demonstrate how to perform a blind and attended (consultative) transfer using a Polycom Soundpoint IP 650. We will assume that an incoming call will be received on the Polycom phone which is registered to Extension 111. Note: A Blind Transfer is a transfer to another extension without actually initiating a call to the end destination. The call is blindly transferred to the destination. By comparison,

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Securing 3CX PhoneSystem – some hints!

June 14, 2010 - 11:09 pm | 5 Comments

If you have been asking yourself how to secure 3CX PhoneSystem, read on…

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