Re: [hylafax-users] Direct Inward Dialing setup

["Siri Vias Khalsa" <sirivias.khalsa@xxxxxxxxxx>]

I like my Mainpine IQ Express cards for Analog connections. If you are
passing through the PBX you will most likely get analog connections to
the fax server, and the way it works is like this (simplified):
*PBX rings the line to fax card port xx
*Hylafax sees line ring, tells card to answer
*Fax card answers
*PBX immediately sends 4 DTMF digits
*PBX connects remote fax 
*Remote Fax negotiates with card
*Card reports connection to Hylafax along with the shielded dtmf digits,
if so configured

DID comes from the phone company usually on T1(PRI) digital lines. You
would have x number of trunks - how many concurrent calls you want to be
able to handle - and a usually much larger set of phone numbers (though
you could just have a lot of concurrent calls to a single or small set
of numbers) - It connects to the PBX on the first available trunk, and
reports which number is being called. The PBX would then be configured
to transfer calls for that number being called to the particular inside
extension, in the analog case above usually referred to as an analog
extension.

If your PBX wants to pass it as Digital (PRI/T1), or if you want to get
trunks/DID numbers specifically for faxing and bypass the PBX, I have
heard good things about Diva cards.

-Siri Vias

-----Original Message-----
From: hylafax-users-bounce@xxxxxxxxxxx
[mailto:hylafax-users-bounce@xxxxxxxxxxx] On Behalf Of Vernon A. Fort
Sent: Wednesday, October 08, 2008 2:40 PM
To: hylafax-users@xxxxxxxxxxx
Subject: [hylafax-users] Direct Inward Dialing setup

We are exploring a DID setup with a Vodavi XTS KSU 3000 PBX system.  We 
simply want to replace 4 fax machines.  I have worked with Hylafax for 
several years but do not have any experience with DID hardware.  I have 
read up on the "SHIELDED_DTMF" but am not sure if we will get a digital 
line or a analogue line.  I do want the fax modem to answer multiple 
inbound calls simultaneously.

Can anyone point me to some recommended modem device hardware?

Vernon


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