[Asterisk-Users] * fax reliability between ISDN PRI and FXS ports

[Andres Maduro]

Hi, 
 
I am building for a customer an * solution that will use 2 Digium cards.
 
1 x TE110P (T1 ISDN PRI)
1 x TDM40B (4 analog ports, 2 for faxes, 2 for extensions)
  
The system will be connected to the PSTN through the T1 ISDN PRI interface.
All customer extensions will be SIP phones except 2 fax machines that will
use the analog FXS ports on the TDM40B card.
 
I have been investigating on this list and found that faxing is not reliable
between Zaptel cards and that Digium does not support nor recommend fax over
the TDMXXB interfaces.
 
Is this true ?  Will fax not be reliable enough for my customer ?

Will it be better to use Audiocodes digital and analog gateway (ATA) with
T.38 capabilities ?  
 
Thanks in advance, 
                Andres Maduro
 
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