SIP SDK
SIP SDK for .NET and ActiveX
SIP SDK for .NET and ActiveX
VoIP SIP Client SDK for .NET and ActiveX
Softphone SDK, SIP SDK, VOIP SDK, Softphone
A powerful and intuitive VoIP SIP SDK
A powerful and intuitive RTP SDK
VoIP SIP SDK with DLL, ActiveX and .NET
VoIP SIP SDK for .NET and ActiveX
VoIP H.323 SDK for .NET and ActiveX
A powerful and intuitive VoIP SIP SDK
A powerful and intuitive RTP SDK