[Asterisk-Users] ISDN -> card? -> Asterisk

[Tor Roberts]

Michael,
I  won't be much help because I am just a couple of steps ahead of you, 
but I will try. It looks like there are not many people in the U.S. 
using BRI. Because it is so unpopular here, there are not many cards 
available that work. The key to getting a card that "might" work here, 
is if the card supports the NI-1 protocol. Most cards that do support it 
are active cards like the Eicon Diva Server, and are not cheap. There 
are a few cheap passive cards that support NI-1, but I don't know if 
they work.
Another problem with most of the cards that do work, is that they don't 
have a U interface, so you need to buy an external NT1, which will give 
you the required U interface. There is a company in Austalia that makes 
a card that does NI-1 and has a U interface, but I don't know if anyone 
has used it. The url for their card is: 
http://www.traverse.com.au/productview.do?product_id=14
I just picked up a cheap Dynalink card on ebay which I am going to try 
on Monday, when I can plug it into a BRI line. I am not holding my 
breath though.
My suggestion is to get a more expensive, active BRI card, and see if it 
works. If you have any luck, please let me know.

-Tor

Michael Welter wrote:

> I'm having trouble determining which ISDN4Linux devices are usable in 
> the US.  I want to integrate ISDN into my Asterisk PBX.  My circuit 
> provider is Qwest.
>
> Does anyone have a working ISDN BRI interface in the US?  Does the fax 
> work?
>
> Thanks,
>