Re: [Asterisk-Users] SpanDSP - Squished Faxes

2005-06-24 Thread Marco Parmeggiani

Richard Cook ha scritto:

Hello,
 
Has anyone had issues with faxes showing up squished in the TIFF  file?
 
Any ideas what could be causing it?
 


there's a faq on the spandsp site.
the problem is not with spandsp. it's with the image visualization 
program. (i.e. irfanview 3.97 (win32) has the bug, i've contacted the 
author and he has fixed it and the fix, hopefully, will be included in 
the next release.)


ciao
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Re: [Asterisk-Users] SpanDSP - Squished Faxes

2005-06-24 Thread El Flynn

Richard Cook wrote:

Hello,
 
Has anyone had issues with faxes showing up squished in the TIFF  file?
 
Any ideas what could be causing it?
 


We had some issues while getting fax-email and email-fax working. As far as I 
can tell, it ended up being a wonky version of libtiff that was causing it. On 
our box we've got libtiff 3.6.1.


Flynn

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Re: [Asterisk-Users] SpanDSP - Squished Faxes

2005-06-24 Thread Carlos Chavez
On Fri, 2005-06-24 at 10:03 +0200, Marco Parmeggiani wrote:
 Richard Cook ha scritto:
  Hello,
   
  Has anyone had issues with faxes showing up squished in the TIFF  file?
   
  Any ideas what could be causing it?
   
 
The best solution that I have found so far is to convert the image to
PDF before delivery.  I tried several image viewers and many of them
would show the squished image so in order to prevent this I just use
tiff2pdf before sending the email to the user.

-- 
--
Telecomunicaciones Abiertas de Mexico
Carlos Chavez
Director de Tecnologia
+52-55-91169161 Ext. 2001

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RE: [Asterisk-Users] SpanDSP - Squished Faxes

2005-06-24 Thread Richard Cook
Hello Carlos,

Thank you for the reply.

It does appear to be the actual viewer that squishes the image, not SpanDSP.
I tried a different viewer on the workstation and the fax appears correct.

I like your suggestion to convert it to PDF, thank you. :)

--
Richard Cook
[EMAIL PROTECTED]
T: 705-497-9320  ext 2010
 

-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Carlos Chavez
Sent: Friday, June 24, 2005 12:34 PM
To: Asterisk Users Mailing List - Non-Commercial Discussion
Subject: Re: [Asterisk-Users] SpanDSP - Squished Faxes

On Fri, 2005-06-24 at 10:03 +0200, Marco Parmeggiani wrote:
 Richard Cook ha scritto:
  Hello,
   
  Has anyone had issues with faxes showing up squished in the TIFF  file?
   
  Any ideas what could be causing it?
   
 
The best solution that I have found so far is to convert the image
to PDF before delivery.  I tried several image viewers and many of them
would show the squished image so in order to prevent this I just use
tiff2pdf before sending the email to the user.

--
--
Telecomunicaciones Abiertas de Mexico
Carlos Chavez
Director de Tecnologia
+52-55-91169161 Ext. 2001

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Re: [Asterisk-Users] SpanDSP - Squished Faxes

2005-06-24 Thread Brian West
Check the clocking on your T1's if you're using a TDM board GIVE UP NOW those don't do faxing well due to frame slips.Squished faxes are the number one sign of clocking issues on your boards./bOn Jun 23, 2005, at 2:44 PM, Richard Cook wrote: Hello,   Has anyone had issues with faxes showing up squished in the TIFF  file?   Any ideas what could be causing it?   -- Richard Cook [EMAIL PROTECTED] T: 705-497-9320  ext 2010   Blank Bkgrd.gif___Asterisk-Users mailing listAsterisk-Users@lists.digium.comhttp://lists.digium.com/mailman/listinfo/asterisk-usersTo UNSUBSCRIBE or update options visit:   http://lists.digium.com/mailman/listinfo/asterisk-users ___
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Re: [Asterisk-Users] SpanDSP - Squished Faxes

2005-06-24 Thread Andrew Kohlsmith
On Friday 24 June 2005 13:23, Brian West wrote:
 Check the clocking on your T1's if you're using a TDM board GIVE UP
 NOW those don't do faxing well due to frame slips.

EASY there, Brian, easy...  There are some very smart cookies (and me, but I'm 
not a smart cookie) working on this.  It is rumoured (I have not yet tested) 
that 1.0.7 does NOT have this problem, and I KNOW I had it working with HEAD 
but that was probably back March or even Februaryish timeframe.

 Squished faxes are the number one sign of clocking issues on your
 boards.

??  I find it highly doubtful that missing an entire line (and not more or 
less) is indicative of a clocking issue...  usually you get data corruption 
with clock slips, not complete and neat and tidy missing lines, but I suppose 
anything's possible.

-A.
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Re: [Asterisk-Users] SpanDSP - Squished Faxes

2005-06-24 Thread Barton Fisher



Which T1 card?

Had same problem with TE410P. Things I 
did:

1. Move card to higher priority IRQ fixed problem 
(IRQ10).
2. Make sure IRQ is not shared.
3. Disable everything in CMOS that's not needed or 
using - COM, LPT, USB, Hyper-Threading, and the likes.
4. Use the latestZAPTEL Drivers.
5. Use Telco for timing source in zaptel.conf. Only 
set Telco as source.4 ports cards only need one 
source

Bart



  - Original Message - 
  From: 
  Brian West 
  
  To: [EMAIL PROTECTED] ; Asterisk Users Mailing List - 
  Non-Commercial Discussion 
  Sent: Friday, June 24, 2005 10:23 
AM
  Subject: Re: [Asterisk-Users] SpanDSP - 
  Squished Faxes
  Check the clocking on your T1's if you're using a TDM board 
  GIVE UP NOW those don't do faxing well due to frame slips.
  
  Squished faxes are the number one sign of clocking issues on your 
  boards.
  
  /b
  
  
  On Jun 23, 2005, at 2:44 PM, Richard Cook wrote:
  
Hello,

Has anyone had issues with faxes showing 
up squished in theTIFF file?

Any ideas what could be causing 
it?

--
Richard Cook
[EMAIL PROTECTED]
T: 705-497-9320 ext 2010


Blank 
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Re: [Asterisk-Users] SpanDSP - Squished Faxes

2005-06-24 Thread Brian West


EASY there, Brian, easy...  There are some very smart cookies (and  
me, but I'm
not a smart cookie) working on this.  It is rumoured (I have not  
yet tested)
that 1.0.7 does NOT have this problem, and I KNOW I had it working  
with HEAD

but that was probably back March or even Februaryish timeframe.


The official word from digium is TDM400P is not intended for use  
with analog modems or faxes.

Thus, Digium will not support use of modems or faxes on the TDM400P.

http://bugs.digium.com/view.php?id=4390

covers the:
Modem = TDM400P = Zaptel = * = Zaptel = TDM400P = Modem

It works great with T1 boards just not the TDM400P.  And squished  
faxes are caused by frame slips.


/b
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Re: [Asterisk-Users] SpanDSP - Squished Faxes

2005-06-24 Thread George Pajari

Brian West wrote:



The official word from digium is TDM400P is not intended for use  
with analog modems or faxes.

Thus, Digium will not support use of modems or faxes on the TDM400P.


I must say that if Digium's position is that the engineering of Asterisk 
and/or the TDM400P is so shoddy as not to permit anything other than 
voice then that does not reflect terribly well on their products. What's 
a poor user who wants to use Asterisk as a PRI PBX to do? Get a channel 
bank to support one fax? I don't think so. It's hard to sell 
Asterisk/Digium as a serious alternative to Nortel with these 
embarrassments.


g.

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Open Source VoIP/Telephony Specialists  1 877 NET VOIP (638 8647 x102)
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Re: [Asterisk-Users] SpanDSP - Squished Faxes

2005-06-24 Thread Lee Howard

George Pajari wrote:

What's a poor user who wants to use Asterisk as a PRI PBX to do? Get a 
channel bank to support one fax? I don't think so. It's hard to sell 
Asterisk/Digium as a serious alternative to Nortel with these 
embarrassments.



Yeah, well, right now the only options are to do just that, a channel 
bank just for the fax machines/modems... or run a T1-capable fax 
machine/modem connected to another port on the incoming T1 card... or I 
guess have analog phone lines brought in from the telco just for the 
sake of the fax machines/modems.


Yeah, it seems pretty silly to have a T1 with plenty of available 
channels, but not be able to use them for fax and so needing to order in 
analog lines to accomplish the task.


I do all three.  I have offices where I've got a T1 fax modem chained to 
the TE405P, offices where I use a channel bank, and offices where I have 
to bring in additional analog lines from the telco just for the sake of 
the faxes.  It makes fax channels pretty expensive in comparison to 
voice channels.


Lee.

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Re: [Asterisk-Users] SpanDSP - Squished Faxes

2005-06-24 Thread Brian West
Yeah, well, right now the only options are to do just that, a channel bank just for the fax machines/modems... or run a T1-capable fax machine/modem connected to another port on the incoming T1 card... or I guess have analog phone lines brought in from the telco just for the sake of the fax machines/modems.Yeah, it seems pretty silly to have a T1 with plenty of available channels, but not be able to use them for fax and so needing to order in analog lines to accomplish the task.T1 cards all of them work great.. just the TDM400P has this issue.  I have a tor2 setup receiving faxes all day long using spandsp without many issues./b___
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Re: [Asterisk-Users] SpanDSP - Squished Faxes

2005-06-24 Thread Rich Adamson
  The official word from digium is TDM400P is not intended for use  
  with analog modems or faxes.
  Thus, Digium will not support use of modems or faxes on the TDM400P.
 
 I must say that if Digium's position is that the engineering of Asterisk 
 and/or the TDM400P is so shoddy as not to permit anything other than 
 voice then that does not reflect terribly well on their products. What's 
 a poor user who wants to use Asterisk as a PRI PBX to do? Get a channel 
 bank to support one fax? I don't think so. It's hard to sell 
 Asterisk/Digium as a serious alternative to Nortel with these 
 embarrassments.

I think what digium is essentially saying is they are not going to spend
any time or resources trying to identify the problem. However, a couple
of us that already sunk funds into that board are trying to identify
the root cause. Certainly would be helpful if at least they would
provide an engineering interface, but as I've stated before, its highly
likely the design (including at least a part of the drivers) was
outsourced.

There is at least some hope in that Steve Underwood believes spandsp
worked with the TDM at one point, which would imply something has
changed in the driver category. Hopefully, we'll find the problem as
the TDM does fit the soho environment rather well.


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Re: [Asterisk-Users] SpanDSP - Squished Faxes

2005-06-24 Thread Kevin P. Fleming

Rich Adamson wrote:


I think what digium is essentially saying is they are not going to spend
any time or resources trying to identify the problem. However, a couple
of us that already sunk funds into that board are trying to identify
the root cause. Certainly would be helpful if at least they would
provide an engineering interface, but as I've stated before, its highly
likely the design (including at least a part of the drivers) was
outsourced.


No, the TDM400P was developed entirely in-house.
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Re: [Asterisk-Users] SpanDSP - Squished Faxes

2005-06-24 Thread Rich Adamson
  I think what digium is essentially saying is they are not going to spend
  any time or resources trying to identify the problem. However, a couple
  of us that already sunk funds into that board are trying to identify
  the root cause. Certainly would be helpful if at least they would
  provide an engineering interface, but as I've stated before, its highly
  likely the design (including at least a part of the drivers) was
  outsourced.
 
 No, the TDM400P was developed entirely in-house.

Kevin, can you facilitate getting someone within digium to at least act
as an engineering interface with a couple of us that are realy truly
trying to identify the root cause with this card?  (Or, is it already
known that a unfixable design problem exits?)

Since spandsp suppposedly worked at one time, it would imply a driver
issue and a large number of TDM users would like to get to the bottom
of this.

Private email is fine if you'd like.

Rich


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Re: [Asterisk-Users] SpanDSP - Squished Faxes

2005-06-24 Thread Marcelo Pacheco
Sure the TDM400P will never do V.90 modem. But I had some extremelly 
interesting results ...

Modem --- TDM400P --- Asterisk  TE405P --- PRI E1 ISDN  PSTN --- 
PRI E1 ISDN - Cisco AS5300 RAS
I got 33.6kbps reliable connection

Crazy test follows.

Modem --- PAP2-NA --- Asterisk  TE405P --- PRI E1 ISDN  PSTN --- 
PRI E1 ISDN - Cisco AS5300 RAS
I got 50.3kbps reliable connection after tweaking PAP2-NA, between the PAP2-NA 
and Asterisk, there's a FreeBSD NAT/QOS appliance.

Asterisk is on cheap but high quality hardware (Intel desktop mo-bo, Intel 
processor).

Final config:

PSTN  PRI E1 ISDN  TE405P --- Asterisk --- TE405P  AS5300 RAS

When I dial from an analog line, I'm getting the same performance we would 
from the ISDN hooked up directly to the AS5300...

Still need to test dozens of simultaneous modem calls. We still have the 
choice to have another AS5300 splitting the ISDN between the RAS and 
Asterisk, but that's our last resort. For now the production RAS is still on 
the other (to be deactivated ISDN).

Configure Asterisk E1 stuff well and it works real well. I really wasn't 
expecting results this good.

Marcelo Pacheco

Em Sex 24 Jun 2005 16:26, Brian West escreveu:
  EASY there, Brian, easy...  There are some very smart cookies (and
  me, but I'm
  not a smart cookie) working on this.  It is rumoured (I have not
  yet tested)
  that 1.0.7 does NOT have this problem, and I KNOW I had it working
  with HEAD
  but that was probably back March or even Februaryish timeframe.

 The official word from digium is TDM400P is not intended for use
 with analog modems or faxes.
 Thus, Digium will not support use of modems or faxes on the TDM400P.

 http://bugs.digium.com/view.php?id=4390

 covers the:
 Modem = TDM400P = Zaptel = * = Zaptel = TDM400P = Modem

 It works great with T1 boards just not the TDM400P.  And squished
 faxes are caused by frame slips.
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