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SIP VoIP SDK

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Abto Voip SIP sdk logo

Our brand-new VoIP SIP SDK provides a powerful and highly customizable solution to quickly add SIP based dial and receive phone calls features in your software applications. It accelerates the development of SIP compliant soft phone with a fully-customizable user interface and brand name. The Abto LLC VoIP SIP SDK contains a high performance VoIP conferencing client capable of delivering crystal clear sound even for both low and high-bandwidth users and SIP compatible devices (hardware and software). It enables a worldwide communication over the internet or intranet networks delivering superior voice quality. It supports DTMF, adaptive silence detection, adaptive jitter buffer! Abto LLC VoIP SIP SDK is based on IETF standards (SIP, STUN, etc.), so it should be compatible with other standard based products such as Asterisk, GNU Gatekeeper other.


The new Version 1.1 comes now with:

  • Added abitility to play wav files into conversation
  • New event OnPlayFinished to know when play is finished
  • The new Version 1.2 comes now with:

  • Added Hold/Retrieve
  • Added Record conversation into WAV
  • Delphi sample updated
  • VB sample updated
  • HTML Javascript sample updated
  • Extended OnIncomingCall event arguments
  • The new Version 1.3 comes now with:

  • Call transfer support
  • Added status code on call reject
  • Added Unauthorized and Trying events for user registration
  • Fixed bug with default sound device
  • Fixed to be recognized as valid ActiveX component
  • Samples updated
  • System Requirements: WinXP/2k/Vista.


    Key words: VoIP SDK, SIP SDK, soft phone.

    Samples

    Please also check out our video tutorial How to write VoIP client in less then 2 minutes.

    Visual Studio 2005 Video (9 MB)
    Delphi Video (9 MB)
    VB6 Video (9 MB)


    Available codecs:
  • G.711-ALaw
  • G.711-uLaw
  • G.726 (16k 24k 32k 40k)
  • G.729 restricted to research and prototype development
  • G.729A
  • iLBC
  • LPC-10
  • Speex (Narrow, Wide)
  • g723.1

  • Quick Facts:
    Abto voip sip sdk screenshot 
    • Dynamically loadable codecs
    • Registrar support
    • Samples on Delphi, C#, VB, VB.NET, C#, HTML
    • DTFM
    • Adaptive silence detection
    • Adaptive jitter buffer
    • STUN support
    • Comes as ActiveX control
    • Royalty free licensing
    • No Yearly/Monthly fee

    License

    Price

    Buy

    Full Version, no support included Contact voip@abtollc.com for details.
    Full Version, 30 days support Contact voip@abtollc.com for details.
    Full Version, 1 year support Contact voip@abtollc.com for details.
    Full Version, lifetime support Contact voip@abtollc.com for details.

    Nowadays we offer a really GOOD DISCOUNT allowing you TO SAVE considerably. TODAY our price is only $ 799. For further information please contact us at voip@abtollc.com

    Terms Of Use

    By using this product you agree with the terms and conditions expressed in the License Agreement.

    Have a question?

    If you have any questions regarding the product, purchasing, licenses etc, please don't hesitate to contact us at with subject "VoIP SDK".

    News

    The new ABTO site design has been released!
    11/11/2008
    SIP VOIP SDK released!
    02/11/2008
    We provide a new type of service - Assembler to C/C++/C# code conversion.
    01/09/2008
    Abto open vacancies

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    We are very pleased with the quality and timing that they provide."
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