[Asterisk-Users] Multiple ISDN BRI Units with Asterisk usingBristuff zaphfc in NT mode?

[Zoltan Szecsei]

Carl Andersson wrote:

> -----Original Message-----
> From: asterisk-users-bounces at lists.digium.com
> [mailto:asterisk-users-bounces at lists.digium.com] On Behalf Of Zoltan 
> Szecsei
> Sent: zaterdag 16 juli 2005 12:54
> To: Asterisk Users Mailing List - Non-Commercial Discussion
> Subject: Re: [Asterisk-Users] Multiple ISDN BRI Units with Asterisk
> usingBristuff zaphfc in NT mode?
>
> >> Maybe this is rather a hardware question, but I am posting it on this
> >> list because the probability of someone else of you having tried this
> >> is greater here than other places I can think of.
> >>
> >> I have an ISDN card that is setup in NT mode using the zaphfc driver
> >> in bristuff, and I got it working perfectly with one ISDN phone using
> >> a crossover cable and 100 ohm termination at the end of the cable.
> >>
> >> However, if I connect one more ISDN device to the ISDN bus both
> >> devices stop working, so the question is:
> >>
> >> Is it only possible to use one device with a HFC card in NT mode or is
> >> there something else I need to do first to make it work with two 
> devices?
> >>
>
> > Hi Carl,
> > I just started yesterday afternoon with exactly the same setup so you
> > are a bit ahead of me.
> > If anyone answers you directly then please be kind enough to forward
> > their comments to me.
> >
> > I have not even tried to sort out trunks, bristuff or anything yet but
> > it might be worth pointing out that my initial problems were
> > that,using
> > an old pIII motherboard with pci graphics, network plus 2 HFC bri isdn
> > cards, I ran out of IRQs. I had to lock down & exclude the irq for the
> > network card before the 2 ISDN cards woke up. I now have the network &
> > 1 ISDN card on their own IRQ and the graphics and 2nd ISDN card >
> > sharing an IRQ.
> >
> > Maybe this could be a similar problem for you?
> >
> > I'm  using this HW with AAH 1.1
> >
> > Keep in touch,
> >
> > Cheers,
> > Zoltan
>
> My problem turned out to be a termination problem. When using zaphfc 
> together with other zap cards, it seems to be of importance in which 
> order the drivers are loaded as well - At least in my case it would 
> only work right if the X100P driver was loaded before the zaphfc driver.
>
> I have got verything working now, so if you have any questions you are 
> more than welcome.
>
> You didn't write if you intended to use the ISDN cards to connect to 
> ISDN lines, or if you wanted to create a setup like mine, with the 
> card/cards in NT mode, acting as an ISDN switch of it's own.
>
Hi Carl,
Thanks for this confirmation.
My setup is 2 HFC cards to 2 ISDN lines, so nope, not like yours.
Cheers,
Zoltan.

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