Re: [hylafax-users] DID Hardware and Setup

[Yan Seiner <yan@cardinalengineering.com>]

> Quite so... of course, you'll *still* need a box to break the PRI into
> BRI's -- that *passes* the DNIS information.

I have not tried the hardware, but both Digi and Eicon have ISDN PRI
cards with 23, 24 or 30 (or even more - 48 or 60) modems on board.  No
BRI necessary, but you'd better bring your wallet.  They ain't cheap :-(

Digi's cards use a straight forward tty*; while Eicon uses capi.  I've
never worked with capi, so that's new ground for me.

> 
> > I started work with a Digi ISDN/BRI card which claimed to work with DIDs
> > (or, actaully ANI and DNIS in ISDN parlance.)
> 
> Actually ANI is akin to CNID (though not identical).  DNIS (Dialled
> Number Identification Service) is the other one, that's similar (though
> again not identical) to DID.
> 
> >                                                 Unfortunately Digi's new
> > drivers tend to crash my systems, so I ordered an Eicon Diva.  We'll see
> > how it goes.
> 
> Do they really?  Bummer.  Those are both cards that terminate a PRI
> directly, Yan?

See above.  Digi's new cards use a dgdm driver, which does a lot more
for you - but at least on the systems I've tried, it locks up the IDE
drives, causing massive file corruption.  Not good.  Too bad; I like
Digi and I use their stuff when I can.  It's reliable, well made, and
lasts forever.

> 
> > Both these companies support ISDN/BRI and PRI, euro and US conventions,
> > so it may be worth investigating.  Digi only crashes on some SMP
> > systems, so I'd look at their hardware.
> >
> > I'd welcome all the help I can get on working with DID stuff.  My
> > hardware will be here in a week; I need to get a solution soon.
> 
> I'll be happy to help you to whatever degree I can; I know there is a
> fair amount of interest in this issue.
> 
> > If anyone has any modified faxgetty or faxrcvd scripts, please let me
> > know.
> 
> I'll try to dig though my archive for a pointer; the guy who's doing
> this with the ZyXel's has posted his modified faxrcvd, as I recall.
> 
> But if there's any kind of standard, it would probably be worth, in the
> long run, soldering the support directly into faxgetty.

The modems usually spit out the ANI/DNIS (or DID) info between the first
and second rings as straight text - either single line or multi-line; I
need to figure out how to get that out of faxgetty.  I don't think it
starts logging before it goes off-hook.  AFAIK, you'd just have to tell
your modem to answer on second ring then capture everything between
RING\n RING\n....

Any help with faxgetty is much appreciated; I am not a programmer by
trade and c++ is not something I am fluent in.  C is OK, shell scripts I
can puzzle out, but c++ is a no go for me.

--Yan



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