Features of Video VoIP SIP SDK

Quick facts about Video VoIP SIP SDK:

  • Video support (H.263, H.264)
  • All versions of Windows OS
  • Multiple sip accounts registration (NEW)
  • IVR, presence, voice mail samples (NEW)
  • ICE support (NEW)
  • Support of SIP, RTP, and SDP
  • STUN and other IETF standards (compatible with SER, OpenSER and Asterisk)
  • Encryption on the basis of sRTP
  • VoIP SDK ActiveX, COM, and plain dll files support
  • SIP Registrar (SIP server) support
  • DTMF (Dual Tone Multi Frequency)
  • SIP Proxy authentication
  • Support of calls: Hold/Retrieve Call, Forward Call (Blind Call Transfer), Transfer Call (Attended Transfer)
  • Software volume control
  • Record conversation into file
  • Playback of WAV files into conversation
  • IM interface
  • Multi-party voice conference
  • Multiline support
  • Mute Sound
  • Support of Virtual Private Network (VPN)
  • Noise reduction (supression)
  • Getting of used codec per line
  • Custom ringtone support (wav format)
  • Redirection of calls to other phone lines
  • Configuration saving and loading
  • TCP support
  • Selecting of media input and output devices
  • Auto-answer
  • Log file on/off setting
  • NAT and firewall support
  • Prepared samples for programming languages (C#, C++, VB.NET, VB 6.0 and Delphi)
  • Call history and address book ready
  • Royalty free licensing
  • No yearly/monthly fee


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