With the release of 3CX version 15, 3CX has up'd its game and provided a feature restricted 8 Simultaneous Connect (SC) phone system for free. That mean that it will handle up to 8 calls at the same time and provides enough functionality for most small business.
3CX is a industry leading phone system that is both easy to use and easy to maintain. Its based on Microsoft Windows so that anyone that uses Windows will be comfortable using 3CX.
The Free edition includes all the features of the older Nortel, Samsung, Toshiba and Avaya systems with the option to upgrade to the paid version which release a plethora of advanced unified communication features.
Learn more about 3CX Phone System at: http://www.Office-Phone-Systems.ca