[hylafax-users] Query about multi-modem fax server

[<john.d.tullis@ironcitidel.com>]

I intend to set up a multiple modem fax server.
(a) Server to run RedHat Linux 7.2
(b) Current RedHat HylaFAX RPM.

From reviewing the archives, it appears that it is useful to 
use external modems (because they can be reset w/out needing 
to reboot the Linux host) attached to a multiport serial 
card such as those made by www.cyclades.com.

I intend to have a trunk line, set up to "call hunt" by the 
phone company so that inbound calls can use the same fax 
number. That is, if I have 8 inbound lines, then when 
simultaneous inbound calls occur they should "roll over" to 
the next available line.

Questions:
(1) If I have a trunk line coming in, how does that split 
into the multiple lines I would need if I had separate 
external modems? Obviously, if the trunk line ended in a 
standard phone jack, that is only a single line 
(physically). So how does this work? Anyone who has dealt 
with the physical hooking up of a phone system WITH A SINGLE 
NUMBER that gets rolled over to separate modems, I would 
like to hear what is involved here.
(2) Now, assuming there is no problem there and that the 
trunk splits into multiple lines, one to each modem, and 
each modem is then hooked up via a serial cable to a 
multiport serial card, what are the mechanics of telling 
HylaFAX that there are several modems on the same serial 
port? I don't actually know what happens when you add one of 
these multiport cards to system. Does Linux then see several 
serial devices instead of a single serial device?
(3) Finally, I am posting this message in this manner so 
that I can avoid posting a bunch of "help help help" 
messages later. I would please like to get suggestions on 
modems that work with multiport cards. I have read that 
Multitech 2834ZDX modems work with the Cyclades 8Y0 card. 
But the posting was not recent. Does anyone have any recent 
experience where they can say - yes, this model external 
modem will work with this model multiport serial card 
because you have done it and have it running - preferably 
with RedHat 7.x.
So please post suggestions.
Regards,
John Tullis
John Tullis
847-867-1032

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