conaito VoIP SDK ActiveX
conaito VoIP SDK ActiveX for developers
conaito VoIP SDK ActiveX for developers
VOIP H323 DLL: Simple Soft Phone SDK
Embedded Windows CE VOIP SIP Developers Kit
VOIP TAPI Solution
A powerful and intuitive H.323 VoIP SDK
Mizu VoIP Server
SIP SDK provides tools
SIP Phone DLL
SIP DLL for .NET and Win32 COM
VoIP H.323 SDK for .NET and ActiveX