How do I install Microsoft Fax services on Windows Server 2003

Note: The 3CX Fax Sending module is deprecated, and no longer supported. This article is for informational/historic purposes only. This guide is imporant to be able to enable Fax on Windows Server 2003 The Fax Sending module can then be installed on this machine and can be used to send faxes through Microsoft Fax Step1: Enable [...]

By |March 1st, 2009|Comments Off on How do I install Microsoft Fax services on Windows Server 2003

When and How 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 traversal when port forwarding is not implemented). STUN resolution may be disabled when: No External entities are in use (no bridges, voip providers, extensions) AND/OR Static Port Forwarding is in [...]

By |March 1st, 2009|Comments Off on When and How Can I Switch Off STUN Resolution?

How do I install Microsoft Fax services on Windows Server 2008?

Note: The 3CX Fax Sending module is deprecated, and no longer supported. This article is for informational/historic purposes only. Windows Server 2008 needs to have the fax services role enabled to be able to use the 3CX Fax sending module to send faxes via Microsoft Fax. This document applies to Windows Server 2008, Server 2008 R2, [...]

By |March 1st, 2009|Comments Off on How do I install Microsoft Fax services on Windows Server 2008?

What Call Progress Tones should I enter for my country?

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 these Call Progress Tones in order to detect a busy tone, dial tone or hangup correctly. Unfortunately these Call Progress Tones [...]

By |March 1st, 2009|Comments Off on What Call Progress Tones should I enter for my country?

How to test a VoIP gateway

General Reset gateway to factory default and ensure you are running the latest firmware. Review vendor documentation and assign a IP / Subnet mask / default router or gateway / DNS entries to the device. Ensure you are documenting all this with notes and screenshots for eventual publication as an FAQ. Disable any automatic firmware upgrades [...]

By |March 1st, 2009|Comments Off on How to test a VoIP gateway

3CX Phone System 7.1 Beta 1

The top 3 features are: 3CX Assistant - This utility is installed on the users desktop and allows users complete call control, as well as extensive presence and queue information. 3CX assistant works in tandem with a software or hardware IP phone, or even an analog phone (using ATA or FXS Gateway) and gives users the [...]

By |February 26th, 2009|Comments Off on 3CX Phone System 7.1 Beta 1

How do I install the Microsoft Windows Vista fax client?

System requirements for the clients: Windows Fax and Scan should be installed. Print Services should also be enabled. The Fax printer on the Server machine should be shared to network users. Network Users should be granted permission to be able to print on this Fax Printer. To install the client: Click on Start, Programs and click [...]

By |February 24th, 2009|Comments Off on How do I install the Microsoft Windows Vista fax client?

3CX Launches YouTube Channel with Technical VoIP Nuggets

Innovative video clips provide FREE online visual training on VoIP, SIP and 3CX IP PBX London – 17 February, 2009 - 3CX (www.3cx.com) the international developer of telecommunications software has announced the launch of its Youtube channel, which contains a series of technical videos called “VoIP Nuggets”. These are short video clips, published on Youtube, which [...]

By |February 17th, 2009|Comments Off on 3CX Launches YouTube Channel with Technical VoIP Nuggets

Magically Expanding Call Queues

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 I can build some fairly complex call handling logic using just a handful of basic features built on each other in [...]

By |February 17th, 2009|Comments Off on Magically Expanding Call Queues

How does 3CX Phone System decide whether a call is internal or external?

When is a call internal or external? Calls are decided to be either local or external based on whether the contact IP of an inbound SIP packet is local or not. To check whether the IP is local, 3CX Phone System uses the following process: It queries all IPs assignedto the PC on which it is [...]

By |February 4th, 2009|Comments Off on How does 3CX Phone System decide whether a call is internal or external?