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voice over IP

Configuring the Robin Smartview Video Doorphone with 3CX Phone System

February 9, 2012 - 4:47 pm | 5 Comments

If you need a simple SIP-based video door phone, the Robin Smartview should provide a simple solution. This document will explain the steps necessary to set up, configure, and test one of these devices for use with 3CX Phone System.

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Configuring a Gamma VoIP Provider Trunk

February 8, 2012 - 4:25 pm | 5 Comments

Note: This guide is for information purposes only. If you require assistance with a trunk provided by Gamma Telecom, please contact Gamma directly for assistance. If you are planning to integrate with a VoIP Provider within the Supported Providers List, please visit this page. To obtain reliable connectivity with a VoIP Connection from Gamma Telecom (in the UK), you will need to have 2 Network Interface Cards (NIC) installed on the 3CX Phone

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Fax over IP with RelayFax Fax Server and 3CX Phone System

February 17, 2011 - 10:31 pm | 5 Comments

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.

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Analog Telephone with MWI Support

January 27, 2011 - 10:46 am | 4 Comments

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.

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Neon Healthcare organisation glows with 3CX!

September 21, 2010 - 6:55 pm | 1 Comments

London UK, September 21 – Neon Health Services Inc., a well known organisation in Cleveland Ohio, which is now entering its 40th year as a network of community health centers, has entrusted 3CX as their telephony provider. Neon Healthcare has an overall staff of 280 and a network of six health centers. They offer accessible, comprehensive primary care services to the entire family, including Adult Medicine, Pediatrics, Family Practice, OB

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Configuring a Draytek 2820 Router for 3CX with QoS configuration

May 24, 2010 - 11:47 am | 9 Comments

In this article we will describe the configuration of a hardware router with a very attractive quality-price ratio. The Draytek 2820 is a ADSL 2/2+ Router/Firewall with advanced features such as the capability to establish 32 VPN connections, a robust object-based firewall, QoS Management, Bandwidth Management, and Dual-WAN cabilities. We will look into NAT configuration for 3CX and QoS configuration to prioritize SIP and RTP traffic. The firmware version tested

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The Session Description Protocol (SDP)-VoIP Part 1

October 11, 2009 - 7:09 pm | 0 Comments

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 protocol, codec, ports and other session description metadata. SDP, also known as Session Description Protocol is the protocol used with SIP (session initiation protocol) to advertise such information. SDP does not stream or provide the

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What to look for in a VoIP provider?

August 19, 2009 - 2:11 pm | 0 Comments

Once you decide to break your company free from a traditional phone system, one of things that make adopting IP Telephony attractive is the ability to use a VoIP provider to save on phone call costs. But, in the last few years, an overwhelming choice of VoIP providers have emerged following the booming in the IP PBX market and the staggering growth of VoIP. So, how do you know which

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