Tekaba is a SIP (Session Initiation Protocol) VoIP gateway (Based on RFC 3261) for Windows (Vista, Windows 7/8/10/11, 2008-2022 Server).


  • Simple, easy to use interface.
  • Supports (Only) G.711 A - Mu law codecs.
  • Supports UPnP for NAT traversal. You can also set external IP address manually.
  • Run as a Windows service in background.
  • Forwards incoming SMS as a SIP MESSAGE request.
  • Accepts SIP MESSAGE requests and sends message content as SMS.
  • Source IP address, source prefix, destination prefix based telephony routing.
  • Supports, UDP, TCP and TLS transports with RTP and SRTP.
  • Supports call transfers by using SIP REFER method (RFC 3515)


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