3CX Phone System is a free SIP server 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 (Polycom, 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. View the brochure, or fill in your name and download it!