EstablishedConnectivity & IoT
3CX
Software PBX and unified communications with a free small-business edition
3CX is a software-based phone system (IP PBX) that runs in the cloud or on-premise and provides extensions, IVR, call queues, video conferencing and web chat, working with standard SIP trunks and IP phones. It is sold through a global partner network and has a free tier suited to small businesses.
Our reading. Best for shops and restaurants with an IT partner that want a phone system with extensions and IVR at little or no licence cost.
Strengths
- Free edition for small businesses
- Works with any SIP provider and IP phone
- Hosted or self-hosted options
Limits
- Usually installed by a partner
- Supply-chain security incident in 2023
Why established
Founded 2005, widely deployed software PBX with a free edition and a large reseller network
Notable
Founded by Nick Galea; released as a free Windows IP PBX in 2006
European alternative to
Also ranked in Connectivity & IoT
Sources consulted
Page generated by AI (Claude) from 1 sources and the news · editorial responsibility Camille POTVIN · reviewed 23 Sep 2026