From owner-freebsd-isdn  Sun Jan 24 01:26:56 1999
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From: Martin Husemann <martin@rumolt.teuto.de>
Message-Id: <199901240926.KAA03402@rumolt.teuto.de>
Subject: Re: I4B support for US ISDN?
To: hm@hcs.de
Date: Sun, 24 Jan 1999 10:26:28 +0100 (MET)
Cc: freebsd-isdn@FreeBSD.ORG
In-Reply-To: <m1046Ur-00006RC@hcswork.hcs.de> from "Hellmuth Michaelis" at Jan 23, 99 06:05:20 pm
Organization: Crusaders Catering Services Inc. ;-)
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Hellmuth wrote:

> What
> is needed is a FreeBSD machine with a passive card using the standard
> Siemens chipset connected to an ISDN S0 bus or U ref point. Currently
> i have no idea, whether in the US the S0 bus or U ref point is the 
> preferred connection
[..]
> It is at least difficult to find authorative answers to those questions
> from Europe. Over here i at least had a chance to tap an S0 bus, look at
> the data on the D-channel and compare that to standard texts until i
> found the right one ;-)

The ideal setup would be two machines at an S0 bus, three already supported
cards and the special cabling to run isdntrace in analyzer mode on one
of the machines. I don't know if such cabling could be done for an U ref point.

Of course the machines could run NetBSD as well ;-)

I'll be in California for SIGGRAPH in August, if we can arrange something
at that time I'll be glad to get this project going...


Martin

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