VOIP SIP WPF SOFTPHONE IN .NET

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 of the Ozeki WPF Softphone sample program has been developed with Microsoft WPF. It is easy to change skins and to deliver crystal clear sound. Customizable with further features & company logo