How to create a tiff for T.37 off-ramp fax gateway
I have configured the T.37 on-ramp and off-ramp facilities on a AS5300. The on-ramp fax server works well (answers with fax tone, receives the fax and sends it as a tiff attached to an e-mail). The off-ramp works for plain text messages, but every kind of tiff file i tried to create was rejected with the following error: 0TIFF Writer: tiff_writer_engine called with a NULL context pointer. Can somebody please recommend me one program that can save tiff files wich are accepted by the tiff engine of the Cisco IOS? I have even managed to create a tiff file for which tiffinfo shows the same parameters:
TIFF Directory at offset 0x54cbe
Subfile Type: multi-page document (2 = 0x2)
Image Width: 1728 Image Length: 2156
Resolution: 204, 196 pixels/inch
Compression Scheme: CCITT Group 3
Photometric Interpretation: min-is-white
Date & Time: "2002:09:12 13:35:42"
Software: "GNU Ghostscript 6.52"
Orientation: row 0 top, col 0 lhs
Planar Configuration: single image plane
Page Number: 0-0
Group 3 Options: 2-d encoding+EOL padding (5 = 0x5)
and still the router failed to understand the attachement.
Re: How to create a tiff for T.37 off-ramp fax gateway
Another tool is imagemaker (www.imgmaker.com). They have a nice suite of conversion tools that we've used quite a bit. The TIFF-F spec is pretty limited, so many products that can save as TIFF format can't do type F. For basic playing around, you could also use ghostview.
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