TekFax is a SIP (Session Initiation Protocol) fax receiver server (Based on RFC 3261) for Windows (Windows Vista, 7/8/10/11, 2008-2022 Server).


  • Simple, easy to use interface.
  • UDP, TCP and TLS transports for SIP signalling.
  • TekFax can forward incoming faxes to configured recipients via e-mail in TIFF format.
  • Supports UPnP for NAT traversal. You can also set external IP address manually.
  • Quick and easy installation.
  • Runs as a Windows service.


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