[Asterisk-Users] fax receive using TDM400P

[Anton Krall]

Also one question. Do you still have to play with gains when using iaxmodem
as you need to when using rxfax? 

|-----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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