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Use SIP trunks, WebRTC & Apps

Slash your Phone Bill by 80%

Get a Feature-Packed and Easy to Manage Small Business Phone System.

Get your free small business phone system available on Windows, Linux or in the cloud.

Looking for a business phone system that you can easily set up in minutes? Then look no further. 3CX’s VoIP PBX system is not only easy to install and manage it’s also multi-platform and completely scalable so it will grow with your small business. Deploy in the cloud or on-premise on Windows or Linux. You can even try it out for free with three months free hosting! The free small business phone system also includes unlimited extensions (8SC), free web conferencing participants and a complete Unified Communications package. It’s really a no-brainer as you have nothing to lose but lots to gain.

As well as inbuilt collaboration tools such as conference calling, powerpoint presentations, whiteboard and screensharing, 3CX includes call center / contact center services such as auto attendant, call recording, queues and more to enhance your customer service.

  • Free for unlimited extensions

  • Free video conferencing 

  • Free hosting by 3CX or use YOUR cloud account

  • Complete phone system features for Small Businesses

  • Mobile apps for iOS, Android, Windows and Mac softphones

  • Multi-platform: Windows, Linux, MiniPC, virtualized or in the cloud

3CX Small Business Phone System with integrated Web Conferencing features

Free for up to 1 year! Select preferred deployment:


for Linux on a $200 appliance or as a VM

Get the ISO


for Windows as a VM

Download the setup file

On the cloud

In your Google, Amazon, Azure account

Take the PBX Express