3CX Phone System is an open standard Windows-based IP PBX that provides superior features and flexibility at a far lower cost and replaces traditional PBX hardware phones. It supports popular SIP phones, VoIP providers and traditional PSTN lines. 3CX Phone System’s web-based management console makes it easy to configure, eliminating the need for expensive maintenance.
3CX Windows Phone system is a windows based IPBX. It is available in two version one is Standard and another is PRO.