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Matthias, HylaFAX can easily handle this level of concurrency - receiving is a particularly lightweight operation in terms of resources used. Three E1 ISDN-PRI (Argentina is Euro-ISDN I think) circuits (90 lines/channels) should take care of this nicely, leaving some headroom for peak loading. Put all your eggs in one basket with three E1 boards in a single server, or dedicate three servers to the job, each with one E1, leaving you with a comfortable 60 channels in case you lose a server. You'll want significant storage capacity of course, and pay attention to the format you store them in ... you can win compression at the cost of compatibility (see the RecvDataFormat config option and man tiffcp for more information) with conversion and/or post-processing. Worth considering once you reach this scale! -Darren -- Darren Nickerson Senior Sales & Support Engineer iFax Solutions, Inc. www.ifax.com darren.nickerson@xxxxxxxx +1.215.438.4638 office +1.215.243.8335 fax ----- Original Message ----- From: "Matthias Reich" <rei@xxxxxxxx> To: <matias@xxxxxxxxxxxxxxxxx> Cc: <hylafax-users@xxxxxxxxxxx> Sent: Monday, October 27, 2003 3:59 AM Subject: [hylafax-users] Hylafax 400.000 inbound fax x month > Hello List, > > yesterday I received this mail from an amigo in argentina > and would like the list to help matias with his questions > as I do not have experiences with receiving such a mass of faxes. > > Am Sonntag, 26. Oktober 2003 00:13 schrieb Matias Rollan: > > Matthias, > > I am an open source consultant from Argentina. A company wants me > > to give a solution. > > They get 400.000 inbound fax per month (38 fax per minute > > average), they don't send any fax, just receive it. > > I would like to know if Hylafax is so scalable to handle that > > kind of traffic since I couldn't find anyone that handles so > > many faxes. Also would like you to recommend me what kind of > > hardware, how many phone lines and any recommendation would be > > appreciated. > > Sincerely, > > I think hylafax should be solid enough to handle this amount of faxes. > > In general I can say that one phoneline is capable of receiving about > 300 faxes per day (24 hours) > You should use rock-solid modems like multitech > > The amount of phonelines should at least be the average of 38 faxes. > As hardware I would suggest a Network with a few standard PCs. > Each needs a multi-serial-IO Card (like vscomm or equal) to connect to the > modems, or multi-modems cards (I do not have any experience with). > > Do you want the incoming faxes just to be printed, or do you want to do kind > of routing, which can be easily done with hylafax ?? > These PC need plenty of diskspace to store the incoming faxes, if you want to. > one page of fax is about 500k of diskspace, so 400.000 times 500k is > 200.000 MB is about 200GB per month. > > So if anyone can give hints or advices to matias, be so kind. > > TIA > > -m > > -- > HAGOS eG phone: +49 711 7880592 > Matthias Reich fax: +49 711 7880535 > Industriestr. 62 web: http://www.hagos.de > D-70565 Stuttgart mail: rei@xxxxxxxx > Germany > > ____________________ HylaFAX(tm) Users Mailing List _______________________ > To subscribe/unsubscribe, click http://lists.hylafax.org/cgi-bin/lsg2.cgi > On UNIX: mail -s unsubscribe hylafax-users-request@xxxxxxxxxxx < /dev/null > *To learn about commercial HylaFAX(tm) support, mail sales@xxxxxxxxxxxx* > > ____________________ HylaFAX(tm) Users Mailing List _______________________ To subscribe/unsubscribe, click http://lists.hylafax.org/cgi-bin/lsg2.cgi On UNIX: mail -s unsubscribe hylafax-users-request@xxxxxxxxxxx < /dev/null *To learn about commercial HylaFAX(tm) support, mail sales@xxxxxxxxxxxx*