3CX

3CX is the market leader in Windows VoIP PBX software. Its product, 3CX Phone System for Windows, has earned Windows Server Certification and has received numerous awards, including The Windowsnetworking.com Gold Award, the Windows IT Pro magazine 2008 Editor’s Best Award and a Best Buy Award by Computer Shopper Magazine. 3CX has offices in the UK, USA, Germany, Cyprus, Malta, Australia and Hong Kong.