Articles in VoIP How To
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 …
Recently Nick published an excellent tip regarding direct dialing from 3CX Assistant on supported phones. I have extended this feature proposing a method to call any number shown on any web page.
To make …
In order for 3CX Phone System to communicate successfully with VoIP providers and Remote Extensions, your firewall/router device must be configured for SIP operation. To maximize your chances of success, make sure you choose a …
This guide will show you how to configure a Beronet bero*fix box. The main target of this guide is to connect the bero*fix card with the LAN and WAN.
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Setting up the BeroNet bero*fix 400/1600/6400
Connect the …
This guide will show you how to configure a Beronet bero*fix card. The main scope of this guide is to connect the bero*fix card via a network brigde with the LAN and WAN.
Setting up the …
Introduction
DTMF (dual tone multi frequency) is the signal to the phone company that you generate when you press an ordinary telephone’s touch keys. In the United States, it’s known as a “Touchtone” phone. DTMF has …
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 …
This article explains the main fields included in a SIP INVITE, which is sent to set-up a VoIP call. A SIP INVITE message contains typically between 4 and 6 header entries with contact information inside …
All SIP Phone calls consist of 2 channels:
Messaging – SIP
Media – RTP
Messaging is carried using UDP or TCP (normally UDP) SIP packets – It is used for device registration, call setup/teardown, on-hold notification, call …
This is a complete guide that will provide detailed information on how to:
1. Setup 3CX Phone System with Secure SiP (TLS) (In this way the SiP messaging will be encrypted and therefore more …
Many businesses who are adopting VoIP Software PBX Systems are always looking for a way to cut down costs. That’s where the Intel Atom N270 comes in the picture, which is designed to deliver performance …
Cisco SPA Phones have the ability to look up for phone numbers and contacts in an Active Directory/LDAP. For this a template needs to be created and the Cisco Phones need to be re-provisioned with …
The VOIP Providers listed below are not directly available in the ‘Add VOIP’ section of the 3CX Phone System Web Interface, but are known to work with 3CX Phone System and tested by 3rd parties.
Updated IP phone configuration guides for the most popular phones supported by 3CX
If you are not running the firmware version recommended in this web page, 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 …
Note 1: The results generated from these tests should remain valid while the VoIP Provider keeps your account settings static. If your VoIP Provider account is reconfigured, it may be necessary to redo these …
When deploying a new VoIP phone system, especially in larger installs, the cost of new IP phones can be substantial. And for many work stations, the current analog phone might do ‘just fine’. And with …
How does direct SIP work?
The way direct SIP calls are initiated is very similar to the way sending an email works. A caller can call a callee from either a stand alone SIP phone which …
Why your next Phone System should be software based
This whitepaper outlines the top 10 advantages of choosing a Windows based PBX as your next phone system. Why it makes sense to move away from …
Ten tips for a more secure IP PBX System
If you are in charge of a VoIP system or planning to deploy one, then VoIP security is probably one of the considerations. In this article we …
When a SIP based VoIP call is established, the audio or video sent between two SIP entities or more is streamed. Since many different codecs are supported by different devices or software, and each individual …
When media is streamed in a SIP based voice over IP call, being audio, or video or both, one of the requirements is for the participants to know the media details, i.e. transport address, transport …
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 …
Busy Lamp Field (BLF) is a light on an IP phone which tells you whether another extension connected to the same PBX is busy or not. This has to be configured manually from the phone …
