Ozeki .Net SDK for C# SIP WPF softphone development to make/receive VoIP calls. It supports basic telephony functions like make/receive, reject, hang up, hold calls, call transfer, DTMF handling for IVR systems, HD video, extended codec support. The GUI...

Ozeki VoIP SIP .Net SDK for VoIP call system development allows software developers to add voice & video call feature to their applications and webpages. It can be included in any software developed in .Net. Its greatest advantages are that it uses...

Ozeki VoIP SIP .NET SDK allows to develop WinForms DTMF IVR system to build IVR voice menu. It is based on Ozeki SIP SDK that ensures handling multiple lines & calls, DTMF signals, .wav or .mp3 file recording & playing, etc. The softphone can be extended...