Why choose our SDK

ABTO VoIP SIP SDK is well-known on the market for the following reasons:

  • Windows, Android, and iOS platforms
  • C++/C#.NET/VB.NET/VB6/Delphi/Delphi XE7/Java/objective-C samples
  • Free demo versions in App Store and Google Store Play
  • 263, H.264, G.729, OPUS and many other codecs
  • Good documentation
  • No per seat licensing
  • High quality and quick technical support
  • Frequent SDK updates for subscribers