[Asterisk-Users] spandsp RxFAX problems.

[Steve Underwood]

Hi Henryk,

 From analysing someone else's problem it appears that libtiff 3.6.1 is 
broken. Libtiff 3.6.1 with the patches to fix fax handling is OK. 
Libtiff 3.7.0 beta is broken again.

Regards,
Steve


Henryk Brys wrote:

>Hello,
>
>Anyone else experiencing problems with the latest spandsp (pre3)
>and last libtiff beta? I'm getting 8 bytes long file, with the
>TIFF header only during such connection:
>
>    -- Accepting call from 'XXXXXXX' to 'YYYYYY' on channel 0/2, span 1
>    -- Executing SetVar("Zap/2-1", "FAXFILE=/tmp/foch.tif") in new stack
>    -- Executing RxFAX("Zap/2-1", "/tmp/foch.tif") in new stack
>DCS with final frame tag
>In state 9
>Coarse carrier frequency 1700.18 (66)
>Training error 7.382022
>Training succeeded (constellation mismatch 14.349960)
>Start rx document
>Start rx page - compression 2
>Coarse carrier frequency 1700.21 (66)
>Training error 36.399169
>Training failed (constellation mismatch 53.596561)
>Coarse carrier frequency 1651.45 (8)
>Training error 601.890016
>Training failed (convergence failed)
>Coarse carrier frequency 1655.63 (8)
>Training error 598.256370
>Training failed (convergence failed)
>Coarse carrier frequency 1648.24 (10)
>Training error 625.481660
>Training failed (convergence failed)
>Coarse carrier frequency 1648.23 (10)
>Training error 628.724327
>Training failed (convergence failed)
>Coarse carrier frequency 1799.49 (4)
>Coarse carrier frequency 1800.89 (4)
>Training error 673.044876
>Training failed (convergence failed)
>
>
>While 'show channel' command shows:
>
> -- General --
>           Name: Zap/2-1
>           Type: Zap
>       UniqueID: 1097165595.2
>      Caller ID: XXXXXXXXX
> Caller ID Name: Wywolanie
>    DNID Digits: YYYYYY
>          State: Up (6)
>          Rings: 1
>   NativeFormat: 72
>    WriteFormat: 64
>     ReadFormat: 64
>1st File Descriptor: 22
>      Frames in: 1460
>     Frames out: 590
> Time to Hangup: 0
>   Elapsed Time: 0h0m29s
> --   PBX   --
>        Context: default
>      Extension: YYYYYYY
>       Priority: 2
>     Call Group: 0
>   Pickup Group: 0
>    Application: RxFAX
>           Data: /tmp/foch.tif
>          Stack: 0
>    Blocking in: ast_waitfor_nandfds
>
>
>The asterisk is also current (from cvs).
>
>Fax side looks OK.
>
>Any ideas?
>
>--
>Henryk Brys
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