Custom HTML5 SIP Client

ABTO Software offers custom HTML5 SIP Client development.

HTML5 SIP softphone provides voice and video calls, IM chat, and support of DTMF.

Please read more on the HTML5 softphone client product page.

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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