3CX Phone System for Windows Free is a very simple-to-use software which replaces the traditional PBX. This IP telephony system run on Windows and is compatible with PSTN, SIP and VoIP. Its web administration makes the phone system management easy.
The application offers many possibilities: alarm for new messages, call change system, routing and line system, web configuration, state report of the phone system. 3CX Phone System eliminates telephone connections and simplifies removals.