Flash SIP Softphone

ABTO Software provides a customizable flash sip softphone.
You can develop various solutions on its basis from web chat to corporate support tool.

Quick facts about ABTO Software Flash SIP Softphone:

  • Registration on SIP servers (including Asterisk);
  • Video support;
  • Server and client side;
  • Easily customizable;
  • Echo test;
  • Contact list ready.

Available codecs:

  • G.711-ALaw;
  • G.711-muLaw;
  • G.729A;
  • iLBC;
  • H.264.

Also we provide Flash Softphone for Adobe AIR. The softphone supports video and IM chat and works on desktop, Android and iPhone.


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