Ozeki Phone Systems is described as 'Ozeki Phone System XE is a Software PBX telephony platform for Windows. Ozeki enables your applications to connect PBX and access IVR, Webphone, SMS sending, 3D video calls and other functionalities. It makes possible to use PHP VOIP, ' and is an app in the Social & Communications category. There are more than 10 alternatives to Ozeki Phone Systems for a variety of platforms, including Linux, Windows, Mac, Online / Web-based and Android. The best alternative is Asterisk, which is both free and Open Source. Other great apps like Ozeki Phone Systems are 3CX Phone System (Freemium), FreeSWITCH (Free, Open Source), Wazo (Free, Open Source) and Kamailio (Free, Open Source).
FreeSWITCH is a scalable open source cross-platform telephony platform designed to route and interconnect popular communication protocols using audio, video, text or any other form of media. It was created in 2006 to fill the void left by proprietary commercial solutions.
Spreed is the worldwide unified web conferencing service offering integrated web and telephone conferencing. It is based on Flash Player. Free service includes 3 attendees and max 1.5h meetings. Single events or monthly service can be purchased.