3CX Phone System is a Free VoIP IP PBX for Windows / SIP server software for Windows that allows you to easily set-up a professional, modern phone system for your business!
Use popular VoIP providers and SIP trunks for low cost calling
Use popular IP Phones (Yealink, snom, Cisco & others) or Softphones
Keep using your old telephone lines with the use of VoIP gateways
Runs on Microsoft Windows – no need to dedicate a PC or learn Linux! Eliminate phone wiring
Includes enterprise phone system features such as voicemail, auto attendant, unified communications and more
3CX Phone System FREE edition is a fully functional product – it supports an unlimited number of extensions and does NOT time out. It is supported only via the 3CX Forums. View the brochure, or enter your details below and download it