3CX Phone System is a software-based IP PBX for Windows which replaces traditional PBX hardware phones. It is based on the SIP standard and supports standard SIP software / hardware phones. It allows calls to be made via a VOIP service provider or via the regular PSTN. Easy to install and configure, it includes a web-based configuration interface, voice mail, auto attendant, call hunting and other features. Both commercial and a free edition are available.

3CX Phone System for Windows has helped many businesses achieve significant benefits in a cost-effective and innovative way. Below is a selection of case studies and testimonials that illustrate the experience and insights of some of our clients highlighting how 3CX IP PBX has successfully helped them meet their telephony needs.