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Use SIP trunks, WebRTC & Apps

Slash your Phone Bill by 80%

Zero PBX Admin with 3CX. Download for free today.

Try 3CX’s free Phone System Hosted on Google, OVH or on-premise and join the world of zero PBX admin.

Get the free edition of 3CX’s business VoIP phone system with three months free hosting on Google Cloud. 3CX has many tedious PBX admin tasks automated and includes free web conferencing participants and unlimited extensions. You can bring your own SIP Trunk – no need to set up a new one. Use your free PBX either on-premise on Windows or Linux or in the Cloud.

  • Hosted by 3CX – free hosting for three months

  • OR Self host – on YOUR cloud account

  • On-premise: on Windows or Linux

  • Zero admin – automated admin tasks

  • Most secure phone system on the market

  • WebRTC based web conferencing

  • Mobility: clients for Android, iOS, Windows and Mac

Where do you start? Fill in the form and you will receive an email with your licence key information and deployment instructions.

Note: Enter all your details correctly. You will need to verify your email address after which you will receive your free VoIP phone system licence key.

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The free offer requires that you use the PBX. If less than 5 calls are made per month on the PBX, 3CX reserves the right to remove the PBX in order to save resources. This offer is only valid for new customers. If you have downloaded 3CX in the past and already have a licence key you are not eligible to use the three months free hosting.

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