[asterisk-users] About BRI / ISDN hardware. What to buy?

[Armin Schindler]

On Thu, 18 Jan 2007, Cosmin Prund wrote:
> I finally found a price tag for the darn thing, at around 500 euros I can
> handle it.
> Qustion: Do they behave properly if I've got an other Digium TDM400 card in
> the system? How about installing two cards in the same server?
> At the moment I've only got 1 ISDN line plus a few analog lines going into the
> TDM but in the very near future we might want to get a second ISDN.

The DIVA Server cards and its driver supports multiple cards. As long as 
other cards behave correctly on the bus, I don't see any problem here.

Armin
 
> Alberto Pastore wrote:
> > Jens Vagelpohl ha scritto:
> > > -----BEGIN PGP SIGNED MESSAGE-----
> > > Hash: SHA1
> > > 
> > > 
> > > On 18 Jan 2007, at 18:31, Patrick wrote:
> > > > I think http://www.melware.de carries the Eicon Server ISDN cards
> > > > which
> > > > have hardware echo cancellation. They are also the author of the
> > > > chan_capi driver for Asterisk. I use the Eicon Server BRI cards
> > > > with
> > > > Asterisk myself and they work very well.
> > > 
> > > I concur, I have a Eicon DIVA single port BRI card and it works very
> > > well.
> > > 
> > > Cosmin, if you want to use it for Fax traffic as well make sure you
> > > do *not* get a V-BRI card. Those will not do Fax.
> > > 
> > > jens
> > > 
> > 
> > Tried almost all cards (Junghanns, Sangoma, Beronet, some hfc-based oem
> > cards, Eicon Diva Server).
> > 
> > Eicon is expensive but is *REALLY* worth it.
> > The other cards are just a waste of money (even if little money).
> > 
> > If you want a reliable PBX (who doesn't want it?),
> > Diva Server cards are the definitive choice.
> > 
> > The best card ever.
> > Zero echo problems, superb hardware echo cancellation.
> > Top reliability.
> > Excellent FAX support with Hylafax (only cards with builtin DSPs,
> > that is, NOT the V-series, as pointed out by Jens).
> > 
> > Easy driver installation and powerful utilities/configuration tools.
> > 
> > 
> > I tested BRI-2M, 4BRI-8M, PRI-30M on several installations,
> > even older 1.0 version cards (PCI 5v only) just work great.
> > 
> > I use diva server drivers & software source rpm from Eicon,
> > chan_capi from www.melware.org (0.7.1) on asterisk 1.2.14
> > (kernel 2.6.17.3). We've deployed more than 40 PBX (from 1 bri
> > to 8 bri) without a flaw.
> > 
> > I'm only a little bit annoyed about not being able to take
> > advantage of the onboard DSPs to perform audio transcoding,
> > because
> > of the lack of a suitable asterisk driver
> > (the cards themselves support hardware gsm/g726 codecs,
> > for instance).
> > 
> > Alberto.
> > 
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