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Update 3 is here and with it comes a new free licence. We’re now offering Standard 3CX licences for up to 16 simultaneous calls (approx. 50 extensions) absolutely free!

Up to 16 Sim. Calls Free – Hosted or Not!

What comes with a Standard licence? Unlimited SIP Trunks, 25 free web conferencing participants, unlimited extensions and free hosting in Google Cloud. Current PBX Edition licences will automatically be converted to a 16SC Standard licence. If you want to get your hands on your own free Standard licence fill in this form.

More Web Conferencing Participants – In all Editions

We’ve also increased the number of web conferencing participants for all editions. The Standard now includes 25 participants, the PRO 100 and the Enterprise edition 250.

Bring your Own CRM

In case you missed the BETA, Update 3 also includes:

  • Zoho CRM support,
  • The ability to add support for your own CRM
  • A new Hosting Admin account
  • Conference call and interface improvements
  • Support for Khomp Gateways

We give up! Grandstream is Back

We’ve added BETA support for Grandstream IP Phones: GXP16XX, GXP17XX and GXP21XX. Some general supported features include:

  • Provisioning methods – Local LAN, SBC and RPS (PnP and Manual)
  • Let’s Encrypt certificates
  • uaCSTA
  • CTI dialing
  • Firmware Updates

Check out all the new features included in Update 3 in our “What’s New in Update 3” video.

Expired Maintenance? Not an Issue – You Can Still Upgrade

If your maintenance has expired, there’s no need to worry. You can easily convert your expired licence to a v15.5, Update 3 annual licence free of charge, same edition, same size. Take advantage of our offer here.

How to update

If you are on v15.5, 15.5 SP1, 15.5 SP2 or 15.5 SP3 BETA simply go to the updates section on the dashboard of the management console where you will see a release update 15.5 SP3. Click on the update and 15.5 SP3 will be installed.

If you want to download a new installation you can download the Linux or the Windows version.


Linux: Follow this guide and download the 3CX ISO here.

View the complete change log.