1)   VoIP H.323 SDK for .NET and ActiveX 1.0
VoIP H.323 SDK A powerful and highly versatile VoIP SDK to accelerate development of H.323 applications and websites. Lost no time and start a massive jump in development and a couple of new customers. Enjoy!
h323, h.323, H323 SDK, SIP/ RTP, RTP, H323 activeX, SIP Lib, SIP Dll, SIP softphone, voip sdk,