HTML5 webphone

ABTO Software is proud to announce further progress in HTML5 webphone development. If you are interested in custom HTML5 based softphone for your website please contact us at

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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