VoIP Software

Voice Over IP (VoIP) is the technology behind audio and video transfer over the Internet. This technology is used in online telelphone systems (PBXs), video communication systems and call centers. Ozeki VoIP software products help businesses and developers take advantage of VoIP. Check out our products and offerings.

Ozeki VoIP SIP SDK
This is a great tool for sofware developers. It gives developers the neccessary libraries to work with the Session Initiation Protocol (SIP), and to create peer-to-peer or centeralized Voice and Video communication systems. This is a Software Developer Kit (SDK) for C#.Net developers. The full source code is available for purchase.
https://voip-sip-sdk.com
How to buy | Download | Documentation

Ozeki Phone System
This is a great on-premises IP telephone system. It allows you to setup extensions, and automated telephone services. Your develpers can also write great apps, that interact with phone calls as a direct answering application or as a call monitoring system.
https://ozekiphone.com
How to buy | Download | Documentation