[Asterisk-Users] fax receive using TDM400P

[Cosmin Prund]

I've noticed some other odd thing with rxfax. In my case I can receive faxes
(using TDM400P) just fine. I can only see those faxes using Windows XP's
"Fax and Picture" thingy, other applications are having trouble. Also
printing those faxes is a bit odd: the preview is just fine but I always
need to specify "landscape" printing for "portrait" faxes. If I print an
"portrait" fax using "potrait" setting the fax is actually printed
landscape, shrinked on it's vertical dimension and widend on it's horizantal
dimension. Really funny! I don't know if this is a problem with the viewer
application or with the tiff file itself... 

> -----Original Message-----
> From: asterisk-users-bounces at lists.digium.com [mailto:asterisk-users-
> bounces at lists.digium.com] On Behalf Of Anton Krall
> Sent: Saturday, February 25, 2006 3:56 PM
> To: 'Asterisk Users Mailing List - Non-Commercial Discussion'
> Subject: RE: [Asterisk-Users] fax receive using TDM400P
> 
> So, why/how is iaxmodem/hylafax more sucessful in receiveing faxes thru
> tdm
> than rxfax?
> 
> I havent been able to get faxes with rxfax, all faxes come in as garbage
> or
> broken or just the first page.
> 
> Im hoping and placing my bet on iaxmodem.
> 
> |-----Original Message-----
> |From: asterisk-users-bounces at lists.digium.com
> |[mailto:asterisk-users-bounces at lists.digium.com] On Behalf Of
> |Administrator TOOTAI
> |Sent: Saturday, February 25, 2006 7:07 AM
> |To: Asterisk Users Mailing List - Non-Commercial Discussion
> |Subject: Re: [Asterisk-Users] fax receive using TDM400P
> |
> |Anton Krall a écrit :
> |
> |>Why is iaxmodem with hylafax more stable than spandsp?
> |>
> |>Can you run iaxmodem and hylafax together with spandsp (for
> |running E1
> |>r2mfc)?
> |>
> |>
> |You're mixing thinks: iaxmodem+hylafax is equivalent to
> |rx_fax/tx_fax, both are based on spandsp which is the library.
> |
> |>|-----Original Message-----
> |>|From: asterisk-users-bounces at lists.digium.com
> |>|[mailto:asterisk-users-bounces at lists.digium.com] On Behalf
> |Of Rob Danz
> |>|Sent: Friday, February 24, 2006 9:34 AM
> |>|To: 'Asterisk Users Mailing List - Non-Commercial Discussion'
> |>|Subject: RE: [Asterisk-Users] fax receive using TDM400P
> |>|
> |>|I wrestled with this for a long time, as have many others
> |and it just
> |>|doesn't work with spandsp and asterisk alone.
> |>|
> |>|Use iaxmodem and hylafax in conjunction with asterisk... it
> |works like
> |>|a champ.  I have a single POTS line coming in so I get voice & fax
> |>|with a single number using fax detect.
> |>|
> |>|http://iaxmodem.sourceforge.net/
> |>|
> |>|
> |>|
> |>|-----Original Message-----
> |>|From: Rich Adamson [mailto:radamson at routers.com]
> |>|Sent: Friday, February 24, 2006 7:28 AM
> |>|To: Asterisk Users Mailing List - Non-Commercial Discussion
> |>|Subject: Re: [Asterisk-Users] fax receive using TDM400P
> |>|
> |>|> Ive been testing how to receive faxes using TDM400P cards and so
> |>|> far,
> |>|after
> |>|> playing with gains, echocancell and echotraining on
> |>|zapata.conf.. Ive
> |>|> ha
> |>|dno
> |>|> luck, faxes come in as garbage or broken or with blank lines.
> |>|>
> |>|> Anybody has successfully done this? Any tips.. Also I have
> |>|some ideas:
> |>|>
> |>|> 1. Is it really possible to get fxes on a fax machine using
> |>|ATAs like
> |>|> the sipura 2002? Even using ulaw and pass-thru, is it possible?
> |>|>
> |>|> 2. Since the faxes is coming from PSTN thru the card, I
> |>|guess asterisk
> |>|will
> |>|> always stay in the middle right? No way around this.
> |>|>
> |>|> 3. Im also trying to receive faxes usign a TE110P card
> |with spandsp,
> |>|unicall
> |>|> and E1 R2MFC, no luck also, some stuff, garbage and broken faxes.
> |>|> Anybody done this sucessfuly?
> |>|>
> |>|> Hope anybody can share their thoughts and insight on this.
> |>|
> |>|Using the TDM400 card for any form of fax'ing (or modem use) is well
> |>|known to be unreliable and, in most cases, totally unusable.
> |The issue
> |>|has been discussed many times over the last two years or so.
> |There are
> |>|no known workarounds.
> |>|
> |>|Its my understanding that lots of folks have spandsp working via T1
> |>|and/or PRI interfaces. The issues associated with the TDM400 card do
> |>|not apply to the T1 cards.
> |>|
> |>|
> |>|
> |>|
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