Want
to create
your own
softphone?

RTP SDK update (APR 11, 2013)

Please go to RTP SDK page to download the latest Read more

Happy Easter 2013!

ABTO Software and VoIP SIP SDK department congratulate Read more

SDK update (Mar 26, 2013)

We released new version of VoIP SIP SDK for Windows. Read more

IVR solution on the basis of VoIP SIP SDK

ABTO Software is proud to announce release of IVR VoIP Read more

SDK Update (Feb 01, 2013)

We released new version 4.6 of VoIP SIP SDK. Recent Read more

Video sample on App Store

ABTO Software is proud to announce that we have Read more

VoIP SIP SDK for custom softphones and adding VoIP features

Main benefits of ABTO Software’s VoIP SIP SDK:

  • High quality of softphone solutions, technical consulting, and customer service
  • No limitations (number of products, channels, and users is NOT limited)
  • Multiple platforms (Windows, Windows Mobile, Android, iOS)
  • Customization (dialers, call centers, webphones, IVRs, intercom solutions etc).

List of our VoIP products:

VoIP SIP SDK for Windows

standart voip sip sdk softphone VoIP SIP SDK provides capabilities to build a custom softphone  with voice calls or add VoIP features to your software. READ MORE

VoIP SIP SDK for Android

VoIP SIP SDK for Android SIP SDK supports voice and video calls and works on devices with Android 2.3+ and 4.x. READ MORE

VoIP SIP SDK for iPhone

VoIP SIP SDK for iPhone SIP SDK supports voice and video calls and works on iOS5 and 6. READ MORE

Flash SIP SDK

flash sip client Custom flash softphone with video support. READ MORE

Video VoIP SIP SDK

Video VoIP SIP SDK SIP SDK provides video stream support on the basis of H.263 and H.264 codecs.  READ MORE

SDK for Windows Mobile

VoIP SIP SDK for Windows Mobile VoIP SIP SDK for Windows Mobile and Windows CE. READ MORE

VoIP SIP Server

VoIP SIP Server Customizable VoIP SIP Server on the basis of VoIP SIP SDK. READ MORE

RTP SDK

RTP SDK RTP SDK for sending and receiving sound by RTP protocol.  READ MORE

T38 Modem

t38 modem Fax/voice modem pool combined with SIP endpoint. READ MORE


Questions?

Development Environments:

  • Visual C++ / C++ / C# .NET
  • VB.NET / VB 6.0
  • JavaScript / HTML
  • 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.