3CX Phone System
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Version 15.5 / June 2017
|Operating system||Microsoft Windows, Linux|
|Type||Voice over Internet Protocol|
3CX is a software-based private branch exchange (PBX) based on the SIP (Session Initiation Protocol) standard. It enables extensions to make calls via the public switched telephone network (PSTN) or via Voice over Internet Protocol (VoIP) services. 3CX for Windows and Linux is an IP business phone system that supports standard SIP soft/hard phones, VoIP services and traditional PSTN phone lines.
3CX was developed by 3CX, an international VoIP IP PBX software development technology company as an open-standards, software-based PBX. First published as a free IP PBX product in 2006, the product was intended to provide a VoIP solution for use in a Microsoft Windows environment.
The first commercial edition of the product was launched in 2007. Reviews of the product have noted its easy configuration, management, and hardware compatibility. Smith on VoIP commented in a blog post about 3CX that it was very easy to use. In 2009, it was featured on the internet TV show Hak5. On 7 June 2017, 3CX released version 15.5 with a complete feature set from WebRTC video conferencing, presence, chat and voicemail and a brand new Web Client.
3CX Phone System consists of a number of software-based  components. The PBX, accessed and managed via a web-based management console, softphones for Windows and MacOS, and smartphone clients for iOS and Android. The phone system can be used with either SIP phones or the clients, or a combination of the two. The PBX provides unified communications functionality including presence, chat, voicemail to email, fax to email, integrated video conferencing, call conferencing, and CRM integration.
Supported SIP Trunk Providers
- Aatrox Communications
- Neural Networks
|Version||Build Number||Release date|
|v15.5 - Update 6||15.5.15502.6||30 August 2018|
|v15.5 - Update 5||15.5.13105.5||1 June 2018|
|v15.5 - Update 4||15.5.10244.4||1 March 2018|
|v15.5 - Update 3||15.5.8801.3||1 January 2018|
|v15.5 - Update 2||15.5.6354.2||1 November 2017|
|v15.5 - Update 1||15.5.3849.1||1 August 2017|
|v15.5||15.5.1694.0||1 July 2017|
|v15 SP5||15.0.62928.5||1 March 2017|
|v15 SP4||60903||1 December 2016|
|v15 SP3||59950||1 October 2016|
|v15 SP2||59381||1 October 2016|
|v15 SP1||56772||1 July 2016|
|v15||56008||1 July 2016|
|v14 SP3||49169||1 February 2016|
|v14 SP2||47020||1 December 2015|
|v14 SP1||45826||1 October 2015|
|v14||44241||1 September 2015|
|v12.5||12.5.37957.880||21 October 2014|
|v12 SP6||36097.67||6 June 2014|
|v12 SP5||35528.64||5 May 2014|
|v12 SP4||34902.6||4 March 2014|
|v12 SP3||33517.465||3 November 2013|
|v12 SP2||32816.397||2 October 2013|
|v12 SP1||32495.362||1 September 2013|
|v11 SP4||1 February 2013|
|v11 SP3||1 December 2012|
|v11 SP2||1 November 2012|
|v11 SP1||1 September 2012|
|v11||1 July 2012|
|v10 SP6||10.24018||1 February 2012|
|v10 SP5||10.22686||1 December 2011|
|v10 SP4||10.22052||1 November 2011|
|v10 SP3||10.21197||1 September 2011|
|v10 SP2||10.20401||1 July 2011|
|v10 SP1||10.19547||1 May 2011|
|v10||10.19117||1 March 2011|
|v09 SP4||9.14901||10 November 2010|
|v09 SP3||9.14507||16 October 2010|
|v09 SP1||9.13763||1 July 2010|
|v08 - Update 4||8.0.10824||29 January 2010|
|v08||8.0.9414||2 October 2009|
|v07.1||07.01.6589||17 April 2009|
|v07||7.0.4249||4 December 2008|
|v06.1||6.1.1793||12 September 2008|
|v06||6.0.612||23 June 2008|
Table created according to the "3CX Phone System Build History".
- Alexis Argent (2009-09-30). "VoIP Uncovered » Why 3CX? Interview with Nick Galea, the CEO of 3CX". Blog.voipon.co.uk. Retrieved 2017-02-28.
- "Latest Topics | ZDNet". Reviews.zdnet.co.uk. 2015-06-30. Retrieved 2017-02-28.
- "3CX - 3CX Phone System for Windows review". IT Reviews. Unusual Publishing Ltd. 2008-04-14. Archived from the original on 2008-07-06. Retrieved 2018-06-18.}
- "Unified Communications". Vipplanet.com. Retrieved 2017-02-28.
- Wright, Karl. "3CX Phone System Free Edition [Computer Shopper]". expertreviews.co.uk. Dennis Publishing Limited. Archived from the original on 2009-04-17. Retrieved 2018-06-18.
- "3CX Review | DIY PBX". Smithonvoip.com. Retrieved 2017-02-28.
- "Episode 503 – Build a free VoIP PBX in under 10 minutes – Start programming a USB Dev Board for less than $20 | Technolust since 2005". Hak5.org. Retrieved 2017-02-28.
- "3CX Review | Under the Lid of the Software Revolution". www.uctoday.com. 2017-04-18. Retrieved 2018-04-11.
- "3CX Phone System Build History". www.3cx.com. Retrieved 2018-05-07.