DTMF IVR SYSTEM IN VB.NET

Ozeki VoIP SIP .NET SDK allows to develop a DTMF navigated IVR system written in VB.NET. In this sample program an IVR tree is built up from .xml file and SIP communication is supported by Ozeki SIP SDK. The extended codec support assures excellent sound quality. The SDK makes it possible to build IP based telephone solutions like softphones, webphones, VoIP client software, etc. It works with VoIP PBX systems and online VoIP service providers