Telepati SIP Phone Freeware
Freeware VOIP SIP Soft Phone
Freeware VOIP SIP Soft Phone
VoIP SIP Client SDK for .NET and ActiveX
A powerful and intuitive VoIP SIP SDK
SIP SDK provides tools
VoIP SIP SDK with DLL, ActiveX and .NET
SIP Phone DLL
VoIP SIP SDK for .NET and ActiveX
.Net SDK for VoIP call system development
.Net SDK for C# SIP WPF softphone development
A powerful and intuitive Video VoIP SIP SDK