Ozeki VoIP PBX for Windows - 2019 product of the year
Ozeki Phone System XE is software for Windows that transforms a computer into a communication server. Ozeki Phone System XE lets you build applications like PBX, VoIP gateway, IVR and ACD. It can be used for voice calls, video calls, SMS messaging and new-, revolutionary channels like real time communication through webbrowsers and mobile phones.