Tool to convert "Structured Fax Files" into Windows bitmaps (BMP), Portable Bitmaps (PBM), JPEG Pictures (JPG) and single or multipaged TIFF Images. . SFF means 'Structured Fax File', intended by the CAPI interface to be used to save incoming faxes. Within GNU/Linux it's e.g. the AVM-B1 card which creates such files.
