TekFax is a SIP T.38 Fax Receiver Server for Windows. TekFax tested on Microsoft Windows XP, Vista and Windows 2003 server. TekFax complies with RFC 3261. It supports ITU T.38 protocol and UPnP for NAT traversal. You can select IP address to be listened, default SIP proxy for outgouing calls. TekFax can send incoming faxes for configured recipients via e-mail in TIFF format. You can also log session details and errors into a log file. TekFax runs a Windows service and comes with Windows Management GUI.

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