Ozeki VoIP .NET SDK allows to develop Flash SIP softphone using Javascript for adding it to web applications to make web to SIP voice calls. The sample program is based on MediaGateway SDK that is part of Ozeki SIP SDK. The softphone can be extended. It is possible to improve the webphone with SIP voice/video calls, developing own softphone, IVR applications, Silverlight/Flash text/voice/video chat programs, supports web-to-web voice and video. Ozeki SIP SDK provides the background for the call establishment between two webphone clients. This sample program shows how to get a GUI with the use of the HTML tools instead of Flash. Ozeki SIP SDK offers various products and possibilities: Softphone, VoIP client applications: Dialers, Call assistant, Call center clients, Call center servers, PBX systems, IVR systems, Webphone solutions, Conferencing systems, Voice recording systems, VoIP tunneling systems, Security monitoring systems, Mobile communication systems. Tools: SIP protocol implementation, RTP implementation, RTCP implementation, Audio device support (mic, speaker), Audio encoding / decoding (audio codecs), Voice quality improvement tools (AEC, AVG, NR, Jitter buffer), Video device support. Due to the flexibility of Ozeki SDK improvements are available (like jitter buffer, VAD, customized with company logo/name, full HD video, call history, call forwarding, call transfer, etc.). It is possible to handle multiple calls and lines at the same time. It ensures compatibility with almost all PBX systems like Asterisk PBX, Cisco UCM, 3CX Phone System, Kamailio PBX, etc. Ozeki SDK also works with almost all VoIP service providers (Skype Connect, Gafachi, Callcentric, SureVoIP, VoIPtalk, etc.) due to that it is fully standard compliant. After an Ozeki SIP SDK .Net license has been purchased you can feely use the license with your product and may freely distribute your product in as many copies as you want and no royalties or license fees are needed to be paid for Ozeki

Platform:Windows XP

System Requirements: PC, .NET compatible Development Kit, minimum .Net 3.5. SP1, SIP account