Pay attention

Attention: www. voip-sip-sdk. com is not our website.

Some customers ask us whether www voip-sip-sdk com is our website. The answer is no. After long time that we have used, other company made the mentioned website, but it has nothing to do with us. So if you search for our products, please make no mistake.



Development Environments:

  • Visual C++ / C++ / C# .NET
  • VB.NET / VB 6.0
  • Java
  • JavaScript / HTML / HTML5
  • Flash
  • Borland Delphi

Company details:

ABTO Software is the only owner and distributor of VoIP SIP SDK. The company also develops other products and offers software development services. Read more on