The powerful tool for creating voice applications for 3CX Phone System, the 3CX Voice Application Designer (VAD) allows you to record the audio of a call and store it as a file to disk. Sometimes, …

IMPORTANT: This device has been tested for Voice using Firmware Version Mobilink-IP-1.2.13-C2P-SDX
Setting up the Topex Mobilink IP

Insert a SIM card into the Mobilink IP by opening the simtray by pressing the small yellow button with (for example) …

Connecting an External Extension to 3CX PhoneSystem is often requested, and can be extremely useful for linking small remote offices and home workers. Here we get a shot at using other phones as External Extensions.

Using …

This step by step guide describes how to set up a speed dial, system based, using the “Outbound Rules” of 3CX Phone System.

3CX Phone System needs to be able to interact with services on the server where it is installed for proper functionality. In some cases, Anti-Virus software can stop 3CX Phone System from accomplishing this. This …

Introduction
3CX MyPhone is a Silverlight based application that can be used from a web browser or installed locally on your computer for Microsoft Outlook integration.  This guide will take you through installation with these different …

If you want to block calls from “anonymous” callers, you can leverage the “CallerID Blacklist” feature. From the 3CX Management Console:

Go to Settings -> Blacklist
Click on the “Add” button

IMPORTANT: This guide is NOT a supported device. This guide is intended as a guideline only, and will NOT be updated.
This test was performed using Firmware Version 01.00.04f04 and Bootware Version 00.91. These steps may …

Important: This document was prepared and tested using GoldBolt FaxSkape Fax Server version 7.0 (Build 11307.5). If the GoldBolt FaxSkape Fax Server resides on the same machine as 3CX Phone System, you MUST ensure that this …

Linking a Door phone to your telephone system can be useful, and this AlphaTech device is an easy-to-configure option. Simply follow these step-by-step instructions.

Connecting an External Extension to 3CX Phone System is often requested, and can be extremely useful for linking small remote offices and home workers. Here we get a shot at using other phones as External …

In a default 3CX setup, the configuration will not allow multiple Ring Group calls to reach an extension. In some business setups it may be required to notify the Ring Group members that there are …

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Purchasing a router may sound like a pretty simple task. This however can become somewhat challenging when VOIP comes into play.
There a couple of core functions that your choice of router …

IMPORTANT: This device has been tested for Inbound and Outbound Fax with the following firmware version: Program – 1.0.3.10; Bootloader – 1.0.0.7; Core – 1.0.0.54; Base – 1.0.0.97
Note: This functionality is intended for use with …

Downgrading or Upgrading the firmware of a Grandstream GXW-4104, GXW-4108 gateway for use with 3CX Phone System for Windows

TFTP stands for Trivial File Transfer Protocol simply because of its simplicity.  It is mainly used for automated file transfers between machines on UDP Port 69.  In a VoIP environment TFTP is used to upload …

This guide has been tested for RelayFax 7.0.
Be aware that previous versions CANNOT work with 3CX PhoneSystem. Note also that more recent versions may have different interface formats and functionality.

It is not possible to use Grandstream 4004/4008/4024 as an ATA for a fax machine and send faxes through a VoIP provider, unless the VoIP Provider includes support for delivering T38 traffic to the Public …

If you need a simple, SIP-based door phone, the Robin Compact SIP C01040 and C01041 provide a simple and inexpensive solution. This document will explain the steps necessary to set up, configure, and test one …

In certain situations we need to install an analog telephone. If you also need MWI (Message-Waiting Indicator) functionality, you may encounter compatibility issues. But with the right equipment, this can be easily accomplished.

Beronet Berofix Gateway: Redirecting an MSN number to a FAX machine / ISDN card and bypass VoIP SIP

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 …

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

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 …

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 …