Hi Alex<br><br>Many thanks for the reply. <br><br>Do I need t38modem if I am already receiving the Fax calls over E1 via a Sangoma Card in my FS machine ? I read on the list that Hylafax takes audio and the only reason you needed t38modem was because your FS was getting calls over SIP. <br>
<br>This is my topology<br>
~~~~~~~~~<br>Hylafax <-------->|______| <-------> FreeSWITCH <---------> E1<br>
~~~~~~~~~<br><br>Since Hylafax is already taking audio calls, may be I do not need the t38modem ? If not, can Hylafax take audio calls directly from FreeSWITCH ?<br><br>This is your topology (taken from your mails in the list)<br>
~~~~~~~~~<br>Hylafax<---Audio---->t38modem<---T38--->Freeswitch/t38gateway<----G.711/SIP--->Mitel
3300(T38 unsupported, grr)<---ISDN30---->PSTN<br>
~~~~~~~~~<br><br>Many thanks for the discussion.<br><br clear="all">regards,<br>Anita<br><br>
<br><br><div class="gmail_quote">On Fri, May 18, 2012 at 1:08 AM, Alex Crow <span dir="ltr"><<a href="mailto:acrow@integrafin.co.uk" target="_blank">acrow@integrafin.co.uk</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div class="im">On 17/05/12 14:51, Anita Hall wrote:<br>
> Hi Alex<br>
><br>
> Did you get the answer to your first question ? Did you succeed in<br>
> using the emulated modem option for taking fax calls to hylafax ?<br>
><br>
> I put the following in spandsp.conf.xml and got /dev/FS[0-4] devices<br>
> as soft links to /dev/pts/[4-8]. My freeswitch is running as root user<br>
> so I did not face the issue you did.<br>
><br>
> <modem-settings><br>
> <param name="total-modems" value="5"/><br>
> </modem-settings><br>
><br>
> What next? Could you point me to some doc in hylafax?<br>
><br>
> (And before Steve lashes out at me again, I must clarify, I do not<br>
> want to just play around, but my boss is clueless and wants me to<br>
> evaluate hylafax :()<br>
><br>
> regards,<br>
> Anita<br>
><br>
><br>
<br>
</div>Anita,<br>
<br>
The answer I got was that inbound is not yet supported by that<br>
mechanism, so I'd advise trying the Hylafax/T38Modem option if you need<br>
to use Hylafax. The T38Modem site provides tarballs of the OPAL and<br>
required dependencies to build it. The one main advantage we see for it<br>
is that there are quite a few free and commercial clients for Hylafax<br>
that can behave as a printer in Windows, so the user selects to print<br>
say a .doc file, chooses the fax printer, enters a number and off it<br>
goes. We used WHFC with XP, works great. We even have chaps batch faxing<br>
100+ faxes a day using it from Excel with a macro.<br>
<br>
The other route for inbound is well documented, it using the inbuilt<br>
FreeSWITCH faxing and sending to email. Outbound is equally simple but<br>
not IMHO as easy for our end users as Hylafax (email-to-fax is simple<br>
but printing to fax from Windows not so simple). But with some work on<br>
your side, the spandsp stuff could probably do anything HF can do.<br>
<br>
As I said, Hylafax is excellent software and has been deployed on major<br>
production sites for probably 15 years+ with billions of total faxes<br>
delivered. We've used it for more than ten years with about 400 faxes<br>
in/out per day (which is piddling compared with some other sites, 10,000<br>
per day is not difficult). If you want to avoid using t38modem you'd<br>
probably have to set up a dedicated HF box with an ISDN/POTS<br>
multichannel card (and if you want to fax from/to FS use a BRI or T1/E1<br>
card to send audio to and from it). There are other ways of integrating<br>
it with backoffice systems including FTP, email, etc.<br>
<br>
To try to deploy a business fax system without first evaluating HylaFAX<br>
is in my opinion insane, so maybe your boss has a point. If, however,<br>
your boss is the one driving you to ask all these very diverse questions<br>
on this list (and they are indeed frequent and often completely<br>
unrelated to each other), perhaps you should ask him/her to focus on<br>
those that are his top priorities, and pick the first 3 to 5 and focus<br>
on those first, or in fact just compose a list of required features,<br>
post them up in a single email rather than 50, and ask "is this possible?".<br>
<br>
Just being a bit more targeted with your questions and how they link<br>
together might elicit more responses. Try to pick one solution at a<br>
time, test it, ask questions on that and stick with it for a bit and I<br>
think you'll get more help.<br>
<br>
Cheers<br>
<br>
Alex<br>
<br>
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