[asterisk-users] RE: Bottom line on fax reception

[Craig Guy]

I haven't used the iaxmodem / hylafax combo for sending, only for receiving.
However my experience is that it is > 99% reliable.  I am using a Dell
PowerEdge 850 with a Pentium 2.8Ghz and 512mb ram.  I think it is the
Pentium D but could be the dual core, not sure, whatever the base cpu was at
the time of order.  Running FC4, Asterisk 1.2.16, Hylafax and IAXmodem.
Hardware is TE205p with 50 channels active.  This combination quite happily
receives 50 concurrent faxes without breaking a sweat.  Takes roughly 3000
faxes per day.  I have another 5 servers similar hardware scattered around
the place doing smaller amounts of inbound faxing again with >99%
reliability.  This same machine also handles inbound voicemail, IVR and
converts received tiffs to PDF.

Craig

-----Original Message-----
From: asterisk-users-bounces at lists.digium.com
[mailto:asterisk-users-bounces at lists.digium.com] On Behalf Of Steve Totaro
Sent: Tuesday, 29 May 2007 9:32 AM
To: Asterisk Users Mailing List - Non-Commercial Discussion
Subject: RE: [asterisk-users] RE: Bottom line on fax reception


> -----Original Message-----
> From: asterisk-users-bounces at lists.digium.com [mailto:asterisk-users-
> bounces at lists.digium.com] On Behalf Of Jon Pounder
> Sent: Monday, May 28, 2007 9:10 PM
> To: asterisk-users at lists.digium.com
> Subject: RE: [asterisk-users] RE: Bottom line on fax reception
> 
> Quoting Steve Totaro <stotaro at asteriskhelpdesk.com>:
> 
> > If you are a junk spam faxer then it should suit your needs.
> >
> > If you occasionally send faxes and if you do not receive one or the
> > other party does not receive one or it spits out junk but that is
OK,
> > then it should fit your needs.
> >
> > If you are faxing contracts or other important documents that are
worth
> > something, then go for a more reliable solution.
> >
> > On a 3ghz HP DL320 with a gig of RAM, each fax took about 5%
indicated
> > by top.  I would not want to go above ten simultaneous faxes so I
setup
> > ten IAX Modems (50% in top).  Even at that rate, there were a lot of
> > failures.  I did not bother to figure out why because these were
legal
> > contracts, in bulk, amounting to big dollars.
> 
> anyone have a comparison with a multicpu machine with the same or
> lower clock rate ?
> 

Let me further qualify my results.  This was done with whatever the
current stable versions of Asterisk, Hylafax, and IAXmodem were
available in January of this year.  The faxes were outbound.  PDFs put
into a Samba share and a cron job moving them over to the Hylafax
monitored directory.

Thanks,
Steve Totaro
www.asteriskhelpdesk.com

> 
> 
> 
> >
> > The variables are very simple for any of these kind of decisions.
Don't
> > think about savings, think about costs.
> >
> > Costs of equipment
> > Costs of time (resources) implementing
> > Costs of maintenance
> > Costs of losing data (faxes in this case)
> > Costs of going back and doing it the right way if you find the above
> > costs are higher than another solution.
> >
> > Thanks,
> > Steve Totaro
> > http://www.asteriskhelpdesk.com
> > KB3OPB


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