Merry Christmas and a Happy New Year!

ABTO Software’s VoIP SIP SDK team wishes our current and potential clients Merry Christmas and a very Happy New 2014 Year!!!

We have special seasonal discounts. Contact us to find out more!


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