[Asterisk-Users] Softfax/spandsp

[reseaux]

Dear Steve
	sorry for my last bug report (not full reported well) I have now reinstall 
your spandsp 1b but i have this type of error...
-------------------------------------------------------------------------------------
Test Fax station Canon B150
-------------------------------------------------------------------------------------

    -- Executing RxFAX("Zap/33-1", "/home/user/testfax.tif") in new stack
Changed from phase 0 to 1
Slow carrier up
Slow carrier down
Slow carrier up
Slow carrier down
Start receiving document
Changed from phase 1 to 4
Sending ident
>>> CSI: 40 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20
DIS:
Preferred octets: 256
Can receive fax
Supported data signalling rates: V.27ter and V.29
R8x7.7lines/mm and/or 200x200pels/25.4mm OK
2D coding OK
Scan line length: 215mm
Recording length: A4 (297mm)
Receiver's minimum scan line time: 0ms at 3.85 l/mm: T7.7 = T3.85
R8x15.4lines/mm OK
Minimum scan line time for higher resolutions: T15.4 = T7.7
>>> DIS: 80 00 ce f0 80 80 01
HDLC underflow in state 9
Changed from phase 4 to 3
Slow carrier up
<<< TSI: 43 37 30 38 30 35 33 31 33 33 30 20 20 20 20 20 20 20 20 20 20
TSI without final frame tag
Remote fax gave TSI as: "0331350807"
<<< DCS: 83 00 86 a0 00
DCS with final frame tag
In state 9
DCS:
Can receive fax
Selected data signalling rate: V.29, 9600bps
2D coding OK
Scan line length: 215mm
Recording length: A4 (297mm)
Minimum scan line time: 10ms
Get at 9600
Changed from phase 3 to 5
Fast carrier up
Coarse carrier frequency 1684.65 (18)
Fast carrier down
Fast carrier up
Coarse carrier frequency 1699.39 (86)
Fast carrier training failed
Fast carrier down
Fast carrier up
Coarse carrier frequency 1700.10 (4917)
Fast carrier down
Fast carrier up
Coarse carrier frequency 1699.55 (86)
Fast carrier training failed
Fast carrier down
Fast carrier up
Coarse carrier frequency 1700.10 (4916)
Fast carrier down
Fast carrier up
Coarse carrier frequency 1699.27 (86)
Fast carrier training failed
Fast carrier down
Fast carrier up
Coarse carrier frequency 1700.09 (2925)
Fast carrier down
Fast carrier up
Fast carrier down
    -- Executing Hangup("Zap/33-1", "") in new stack
-----------------------------------------------------------------------------------------------
Thanks for great work!!
Dimitri

On Thursday 18 March 2004 14:06, Steve Underwood wrote:
> Hi all,
>
> It seems this week's release of spandsp fixed the major problems in the
> previous release, but still people have had a lot of trouble. Working
> with some of those who tried the software and gave me good feedback, I
> have identified some apparently common bugs in fax machines, and I have
> implemented workarounds for these in spandsp, and feedback so far seems
> good. I also fixed a couple of bugs. I think this version will work
> proper with a much wider range of fax machines. However, people have
> warning me that fax machines have a bad habit of not following the specs
> properly :-(
>
> There is now a new tarball at
> ftp://ftp.opencall.org/pub/spandsp/spandsp-0.0.1b.tar.gz   Please try
> this, and report any problems you find. This version has the following
> changes:
>
>     A floating point exception has been fixed
>     A problem with the software not properly
>     Some fax machines send a little less than the specified 1.5 seconds
> of training test data, so the training test failed every time. I now
> only look for 1.25seconds of training test data.
>     Some fax machines do not correctly initialise the scrambler in their
> V.29 transmit modem. I have changed the software to tolerate this.
>     Some fax machines send a burst of ones before the burst of zeros
> that forms the training test data. I have changed the software to
> tolerate this.
>
> Regards,
> Steve
>
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