Gear up your PBX
Cut costs, Boost profits
Take control of your PBX
Virtualize with Hyper-V & VMWare
Slash your Phone Bill
Use SIP trunks, WebRTC & Softphones
Unified Communications
Presence, Chat, Voicemail, Fax 2 Email
Office Without Limits
Make calls anywhere using Android, iPhone, Mac & Windows
Web Conferencing
Clientless via WebRTC with 3CX WebMeeting


Your Free PBX. Your Way
Try 3CX Free on Windows and Linux or Hosted on Google Cloud
Download 3CX’s Free PBX Edition and start using the most secure and easy to manage software PBX on the market. The Free PBX license key includes 8 simultaneous calls, 5 free web conferencing participants, 1 SIP trunk and a full Unified Communications feature set.
On-premise deployment on Windows or Linux
Host on Google Cloud or any Linux VPS – BUT retain Control
Zero admin
Most secure PBX on the market
Advanced UC capabilities built-in: Presence, video conferencing, chat
Once you’ve tried out the Free PBX Edition you can easily upgrade to a commercial edition and start enjoying more features and benefits.
Note: Please ensure you enter your details correctly: Your free VoIP IP PBX license key will be sent to this email address and your details will be verified to receive your one year free maintenance.