[Asterisk-Users] fax receive using TDM400P

[Anton Krall]

Well, if anybody has fax over tdm working... Im intere$$$$$ted  :)



|-----Original Message-----
|From: asterisk-users-bounces at lists.digium.com 
|[mailto:asterisk-users-bounces at lists.digium.com] On Behalf Of 
|Rich Adamson
|Sent: Saturday, February 25, 2006 9:41 AM
|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.
|
|The weakest link in what you're trying to do is the TDM400 analog card.
|No one has been able to prove truthfully what the issue is 
|other then missed data flows between card and the zaptel 
|drivers negatively impacting _any_ analog modem signals. There 
|has been at least some thoughts the issue revolves around the 
|tigerjet 320 chip and/or its interface with the siliconlabs 
|chipset on the card.
|
|Part of the equation is also the North and South Bridge pci 
|chipsets used on various motherboards. Those individuals that 
|have been actively involved with creating/editing music 
|(unrelated to asterisk) have also found that very few 
|motherboard pci chipsets function reliably enough to rely on 
|them. That's apparently one of the reason the Apple systems 
|are used heavily in that area.
|
|A very small number (probably less then 10%) of the TDM400 
|users have been able to make it work, but the likelihood that 
|it works in better then 90% of the fax attempts is very low 
|particularily on multi-page fax documents.
|
|If you can make it work reliably, there is a large number of 
|others that would appreciate solid how-to documentation. 
|You'll find hundreds of postings relative to this in the archives.
|
|
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