Steve Davies wrote: > On 8/29/07, Christian Peter <[EMAIL PROTECTED]> wrote: > >> Am Mittwoch, den 29.08.2007, 20:13 +0800 schrieb Steve Underwood: >> >>> Christian Peter wrote: >>> >>>> Hi list, >>>> >>>> I'm running current SpanDSP >>>> http://www.soft-switch.org/downloads/spandsp/spandsp-0.0.4pre6.tgz >>>> with Asterisk 1.2.22 somewhat successfully. >>>> >>>> Most Fax machines do work but I have problems with people having >>>> Tobit FaxWare and Shamrock CapiFax. >>>> >>>> http://www.tobit.com/login/mrd.asp?CategoryID=120 >>>> http://www.shamrock.de/ >>>> >>>> I've got black bars over the pages. In Tobit some content is Ok, other >>>> is covered by the black bars. Anyone else has simliar problems? >>>> >>>> I talked to Tobit and they said there should be an option somewhere in >>>> SpanDSP to disable Fax header crossbars. But I found none. >>>> >>>> Can anybody help me with this issue. Please no "switch to Hylafax" >>>> mails, because I'm very happy with SpanDSP, it integrates nicely and >>>> works most time. >>>> >>>> Thank you, >>>> Regards >>>> >>>> Christian Peter >>>> >>>> >>> I assume if you are using spandsp-0.0.4pre6 you have adapted >>> app_rxfax.c. and app_txfax.c to work with it. >>> >> Hi Steve, >> >> thank you for your help. I'm using >> >> http://www.soft-switch.org/downloads/snapshots/spandsp/test-apps-asterisk-1.2/ >> >> without modifications. >> >> >>> I haven't heard from anyone using tobit or shamrock software (who on >>> earth wants to call their company tobit? weird). I have no idea what fax >>> header crossbars might be. Do they have some kind of bicycle integration >>> in their product? :-\ >>> >> :) That was just a simple translation I looked up in a dictionary. Call >> it blocks, or banners. I either don't know what they meant :) >> >> >>> Is your problem when sending from Asterisk or receiving? Can you enable >>> debug and e-mail me a log and (assuming its a receive problem) the >>> resulting TIFF file. >>> >> The problems occur on receiving. I'll do that and send you the email >> soon. >> >> > > Hi, > > Did any progress occur on this? I too am using 0.0.4 spandsp snapshots > to receive faxes with quite a significant degree of success on a > 1.2.24 asterisk box. I also get the only 8-bytes in a TIFF file > problem occasionally. Generally this occurs if there are also a number > of line-errors shown in the page-received report (this is not > scientifically correlated!) > > I always assumed that this was ECM causing a page to be abandoned if > there were too many errors, but if I disable ECM in rxfax, I get the > same results. > > Any feedback welcome. > > Regards, > Steve > This was fixed a few weeks ago. There was an error in the FAX decoder, but only a very few encoders create images that hit the issue. If you try 0.0.4pre11 you will find it fixes several other quirky compatibility issues. I have cleaned up several long standing issues, particularly with Canon machines, in the last few weeks.
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