3CX was founded by Nick Galea in 2005. In 2006, 3CX released the 3CX Phone System as a free IP PBX for use in a
Microsoft Windows environment. The phone system's first commercial edition, v6.0, was released a year later in 2007. Reviews of the product have noted its easy configuration, management, and hardware compatibility. In the following years, 3CX made a number of acquisitions including eWorks technologies in 2013, the Elastix project and PBX in a Flash in 2016, and Askozia in 2017. In 2019, 3CX acquired WP Live Chat, a free WordPress plugin for live chat integration. In September 2016, 3CX announced a partnership with
BT Wholesale SIP Trunking platform to serve resellers. In 2017 "PBX Express" was released, allowing a hosted PBX to be created on any hosted
virtual private server. The company would later launch a "Hosted by 3CX" offering. In 2019, Stefan Walther was appointed as the new CEO of the company. In the same year, 3CX was featured on the internet TV show Hak5. In 2021 with the launch of version 18, 3CX integrated with Microsoft Teams to allow direct routing through the Microsoft platform. In June 2022, it was announced Walther would step down as CEO, with Galea returning to the position. == Phone system ==