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VoIP gateway

Configuring Topex Mobilink GSM Gateway with 3CX

January 16, 2012 - 9:49 pm | 1 Comments

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) a pen. Insert the SIM card in the tray and slide the tray back in. Also, ensure both antennae are connected to the device.

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Fax Machines with 3CX Phone System and Grandstream GXW-4004/4008/4024

April 5, 2011 - 10:56 pm | 5 Comments

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 inbound and outbound faxes using a T.38-capable PSTN Gateway as a Trunk Connection. Functionality with VoIP Providers is dependent on a large number of factors, and frequently not possible. For more details on this,

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Upgrading firmware on Grandstream GXW-4104/GXW-4108 Gateway

March 1, 2011 - 10:12 pm | 0 Comments

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

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How to Install and Configure a TFTP Server

March 1, 2011 - 10:12 pm | 2 Comments

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 firmware files to Gateways and Phones and other hardware. Step 1: Download a TFTP Server 1.  You will find pumpkin is an open source TFTP client that is simple to use, follow the link and

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Can I exchange a Fax between a VoIP Provider and a Grandstream GXW-4004/4008/4024?

February 7, 2011 - 10:41 pm | 0 Comments

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 IP Address in the packet header, rather than the Private IP Address declared by the Grandstream in the SIP/SDP packets it generates. Without this support from the VoIP Provider, this functionality is possible only if

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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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Configuring the Portech MV-370 and MV-372

April 26, 2010 - 2:16 pm | 0 Comments

IMPORTANT This device has been tested for Voice using firmware version of “Wed Jun 10 11:53:59 2009”. The guide and template may not work for earlier or later versions of the firmware! Configuration is a 2 step process. First you need to configure 3CX Phone System for use with the Portech. Then, you need to configure the Portech to register and communicate with 3CX PhoneSystem.

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Configuring AVM FritzBox as a Firewall with 3CX Phone System

April 14, 2010 - 3:28 pm | 0 Comments

This guide will show how to configure an AVM Fritzbox router / firewall as a border device with 3CX Phone System in the LAN. The tests were made using a FritzBox 7170 with firmware version 29.04.76 .IMPORTANT:  The FritzBox has an integrated SiP Server inside. This makes the usage and natting of ports 5060 TCP and UDP to the 3CX Phone System impossible because the Fritzbox will not let you.

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ISDN Outbound caller ID and how to reformat it on a BeroFix

March 8, 2010 - 8:10 pm | 0 Comments

This guide describes the different caller ID formats and how to alter /rewrite the caller ID before it gets sent to the Telecoms provider when using beroFix VoIP Gateway cards. In this document we will use a German number (National code +49) from Dusseldorf (area code 0211) as an example how to format the caller ID: A telephone line-number (TelN) 12345600 (where ’00′ are the optional DIDs) A DID to

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Creating a dial plan for a Beronet berofix that can select a line

March 5, 2010 - 8:46 pm | 0 Comments

With a Beronet Card, and proper configuration, you are able to choose the exact line/port on which you want to dial out. This feature is requested for lines that have different MSN/DID/DDI numbers. In addition it is useful for companies that are sharing a PBX and want to have each company use ‘their’ telephone line so as to ensure transparent billing. This article explains how to configure this using a

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How do I configure Tonesets for my Country on a Grandstream GXW-4104 / GXW-4108?

March 3, 2010 - 6:58 pm | 2 Comments

NOTE: This device has been tested for Fax Calls and Voice Calls using firmware 1.2.1.5. Grandstream firmware versions are typically available from: http://www.grandstream.com/firmware.html. Depending on your geographic location and telecommunications provider, it may be necessary to update your Grandstream tone sets to reflect your location, or the specific requirements of your Telecommunications Provider. Configuring the Tone Set data in the Grandstream Load the Grandstream web interface in a browser Click

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Updating a Beronet BeroFix VoIP Gateway to the latest firmware

December 5, 2009 - 8:11 pm | 0 Comments

If you are not running the latest version of the firmware, please update your Beronet device firmware to the recommended version as explained below. Update Procedure To update go to http://www.beronet.com/downloads/berofix/ and download the appropriate update. Log on to the beroFix Webinterface, click on Preferences / Update Tool or Management / Update Tool depending on the Firmware Reboot the device after updating

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Debugging calls on a Patton Smartnode

November 3, 2009 - 8:13 pm | 0 Comments

You can do simple debugging (for ISDN, for example) on a Patton gateway by using a series of simple commands. After connecting to the gateway via telnet, type the following: login: {your username here} password: {password here} enable configure debug ccisdn signaling debug isdn event {slot} {port} all Replace {slot} and {port} with the slot and port you want to debug, for example: debug isdn event 0 0 all For

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How do I update a Patton Smartnode to the latest firmware?

October 3, 2009 - 7:38 pm | 0 Comments

This document explains step by step how to upgrade the firmware of your Patton to the latest version. This doc uses the Patton 4554 as an example, however all other Patton devices follow an almost identical procedure. Step 1: Download the appropriate firmware for your Patton 1. Go to the firmware repository on the Patton website. The ones we are interested in are: http://upgrades.patton.com/submodelselect.asp?model=SmartNode 2. Now choose the Smartware firmware

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How do I Connect A SmartNode to the Network and import the configuration?

September 14, 2009 - 7:42 pm | 0 Comments

This FAQ explains how to configure your Patton Gateway for the first time by connecting it to the network, discovering it’s IP Address and then configuring the network settings. You will then be able to import the configuration to it. There are 2 ways to log into a Patton Device. Connecting a Patton to the network using the Patton SmartNode Discovery Tool Step 1: Connect the device to the network.

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How can I adjust the configuration for unsupported VOIP providers or gateways?

July 5, 2009 - 5:20 pm | 0 Comments

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 Providers and Gateways, based on the information collected during the course of these tests. It is VERY STRONGLY RECOMMENDED that if at all possible, you use a VoIP Provider or Gateway from within the

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Why is there no ringback tone when calling into 3CX via a Sangoma PRI card?

May 3, 2009 - 8:16 pm | 0 Comments

This is because the Sangoma NetBorder software is configured for the PSTN side to provide the ringing, so if it is not then you will not hear any ringing. To fix this issue we must tell Sangoma NetBorder Express to provide the ring back tone. To do this, follow the steps below. First go into the “Gateway Manager” web interface and then click on “Configuration / PSTN Config” Next go

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What is overlap dialing?

April 10, 2009 - 5:57 pm | 0 Comments

Overlap dialing is required by CAS signaled lines. Overlap dial provides for a longer time-out period between digits, also called the inter-digit timer. With overlap dial set to off, the gateway expects to receive the digits one right after the other coming in to this line with very little delay between digits. With overlap dial set to on, then the device waits up to about 2 seconds between digits. Basically

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How do I configure Patton ISDN VOIP Gateways for a Point-to-Point Connection?

April 3, 2009 - 7:47 pm | 0 Comments

This article applies to ISDN lines and ISDN gateways only. An ISDN line can either be point-to-point or point-to-multipoint. If you have a point-to-point connection, you can only attach one device to your ISDN line. If you have point-to-multipoint connection you can attach more than one device. You have to configure the ISDN lines connected to the Patton to be either point-to-point or point-to-multipoint depending on how your ISDN lines

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What Call Progress Tones should I enter for my country?

March 1, 2009 - 1:42 pm | 0 Comments

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 can vary per country, and in some cases you need to configure your VoIP

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How to test a VoIP gateway

March 1, 2009 - 1:38 pm | 0 Comments

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 to ensure the device remains on the tested firmware. Line Settings After having created

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