3CX Phone System for Windows Free, the perfect phone system for your windows is the best replacement for your regular PBX.
    As the name suggests this tool builds the complete IP Phone System on your Windows. This tool provides you with the latest technology using standard SIP soft/hard phones, VOIP services and traditional PSTN phone lines for more economical calls. The features that makes this technology possible are; supports call switching, routing and queuing, lower purchase costs, supports unlimited extensions and phone lines, does not require proprietary expansion modules, supports web based configuration and status indication, unified messaging, supports auto attendant, supports wireless technology, and its usage of standard SIP phones eliminates expensive proprietary system phones.
    The best feature of 3CX Phone System for Windows Free is it can drastically reduce long distance and inter office call costs.