SIP SDK
SIP SDK for .NET and ActiveX
SIP SDK for .NET and ActiveX
Powerful Imaging toolkit for .NET developer.
VoIP SIP Client SDK for .NET and ActiveX
Softphone SDK, SIP SDK, VOIP SDK, Softphone
VideoChat SDK for Windows and Linux
SIP SDK provides tools
VoIP SIP SDK with DLL, ActiveX and .NET
VoIP SIP SDK for .NET and ActiveX
VoIP H.323 SDK for .NET and ActiveX
Control a scanner from your .NET application.