3CX Phone System


3CX is a software-based private branch exchange based on the SIP standard. It enables extensions to make calls via the public switched telephone network or via Voice over Internet Protocol services. 3CX for Windows, Linux, and Raspberry Pi is an IP business phone system that supports standard SIP soft/hard phones, VoIP services and traditional PSTN phone lines.

History

The 3CX solution 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.

Features

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

UK
USA
Canada
Australia
Germany
*
India
Tata Tele Business Services Ltd

Release Table

Table created according to the "3CX Phone System Build History".