Download trial VoIP SIP SDK for Windows

Please enter your real name and e-mail to receive the latest version* of trial VoIP SIP SDK for Windows:

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Here you can find small guide how to add VoIP support to your application using VoIP SIP SDK for Windows:

*Difference between different versions of VoIP SIP SDK for Windows:

  • Standard version of VoIP SIP SDK for Windows:
    • 8 media lines
    • voice only
  • Video version of VoIP SIP SDK for Windows:
    • 8 media lines
    • voice and video (H.263, H.264)
  • Multiline version of VoIP SIP SDK for Windows:
    • 64 media lines
    • voice only
  • Video Conferencing SDK version of VoIP SIP SDK for Windows:
    • 8 media lines
    • voice and video (H.263, H.264)
    • video conference

Important note: by using this product you agree with the terms and conditions expressed in the VoIP SIP SDK License Agreement.