[Asterisk-Users] fax receive using TDM400P

[Anton Krall]

Why is iaxmodem with hylafax more stable than spandsp?

Can you run iaxmodem and hylafax together with spandsp (for running E1
r2mfc)? 

|-----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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