On Jan 20, 2011, at 8:52 PM, Steve Underwood wrote:

> A comparison wouldn't be complete without mentioning Hylafax. Hylafax has a 
> great infrastructure - tools for integrating with Windows clients, and so on. 
> Neither spandsp or the Digium FAX code can match that for FAX termination. I 
> think its biggest drawback is you either use it with iaxmodem for audio 
> FAXing, or t38modem for T.38 FAXing. It can't smoothly integrate the two 
> right now.

As a longtime Hylafax user, I can confirm it's an excellent solution. I am 
somewhat surprised about the comment of being able to do audio or t.38, but not 
both. This is probably a little true and untrue at the same time, though I have 
never used t.38modem with Hylafax. 

Given the structure of the product, you could have HylaFAX connected to both an 
IAXModem and a T.38Modem at the same time (or 23 IAXModems, a 24-port T1/E1 
PCI-card modem, and 7 t.38modems for that matter...). What it cannot do, is 
receive audio and t.38 on the same port, which is what I presume that Steve was 
referring to. This is really a limitation of IAXmodem and t.38modem, as one 
only handles audio, the other only handles t.38.

In other words, you could route t.38 faxes to it on port 1 and audio faxes on 
port2, but you cannot have port 1 handle both types.

Tom
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