Our sample softphone in App Store

ABTO Software is proud to announce that our softphone sample was approved by Apple, Inc.

Now you can find and download the sample softphone application using the following link:


You can order a customized solution from us or even purchase SDK to do it by your self.

Please proceed to our Order form.



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 www.abtosoftware.com.