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.

Upgrading firmware of Yealink T20, T22, T26, T28 phones from the 3CX Mgmnt Console

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 …

3CXPhone for iPhone is here! We’ve gotten the go-ahead from Apple and it is available immediately via the Apple Appstore.
3CXPhone for iPhone is a VoIP phone for Apple iPhone, iPads and iTouch devices running iOS 4.0 …

Using the recommended Firmware version is one of the keys for successful interoperability with 3CX PhoneSystem. From time to time, 3CX will release updates to the configuration guides that often include additional functionality that takes …

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 …

Skills Covered by this Module

Preparing an Extension for Provisioning
Advantages of Provisioning through 3CX Management Console
The different types of provisioning and what phones they work with
Automatic Provisioning using DHCP Option 66

Relevant Course Materials

Adjusting The Built-In Phone …

Note 1: This guide has been tested with version 3.0.4. Be aware that different version may have different interface formats and functionality Note 2: Not all providers allow calls over 3G. If …

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 …

Provisioning Cisco Linksys SPA 501,502, 504, 508 and 525 phones IP Phones with 3CX Phone System

When configured correctly, you can use the Windows Time (W32Time) service as an SNTP/NTP server for both windows and non-windows SNTP/NTP clients.

Skills Covered by this Module

What is the 3CX Tunnel?
What problems does the tunnel solve, and what functionality does the tunnel provide or facilitate?
How to leverage the 3CX Tunnel features with the 3CX VoIP Phone
Configuring …

Skills Covered by this Module

Setting up a new connection profile
Configuration of 3CX VoIP Phone to work with 3CX PhoneSystem
Introduction to Tunneled connections between 3CX VoIP Phone and 3CX PhoneSystem

Relevant Course Materials

SIP Proxy Tunnel & SIP …

As seen in a previous article, STUN protocol plays an important role in VoIP implementations: to discover the presence of NAT and to learn and use the bindings allocate to the client by the NAT. …

Introduction
HTTP provisioning of phone sets is useful for an administrator as it helps to automate the process of configuring the phone set for a particular extension. The administrator creates the extension as usual, and in …

3CX PhoneSystem is supplied with pre-configured templates for the most popular SIP Phone vendors on the market.
These pre-configured templates include the settings which the majority of users need. Occasionally, however, it may be necessary to …

This VoIP Nugget explains in detail how to setup the tunnel server side. It then shows how to setup the 3CX VoIP Phone to connect from anywhere on the internet to 3CX Phone System.

This VoIP Nugget explains what the 3CX Tunnel is – and why it makes configuring external extensions and bridges easier. A second VoIP Nugget will be published that shows exactly how to configure the 3CX …