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From: "John S. Dyson" <toor@dyson.iquest.net>
Message-Id: <199708100056.TAA00209@dyson.iquest.net>
Subject: Re: ISDN drivers/cards
In-Reply-To: <Pine.BSF.3.95q.970809173017.4192A-100000@misery.sdf.com> from Tom Samplonius at "Aug 9, 97 05:41:23 pm"
To: tom@sdf.com (Tom Samplonius)
Date: Sat, 9 Aug 1997 19:56:32 -0500 (EST)
Cc: dyson@freebsd.org, joerg_wunsch@uriah.heep.sax.de, hackers@freebsd.org,
        jamil@counterintelligence.ml.org
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> 
> > I was involved/tracking the various ISDN standards.  NI-1 is pathetic, mostly
> > due to the non-AT&T switch manufacturers very lame implementations.  Other
> > switch manufacturers have been holding back progress.  NI-2 is better, but
> 
>   I'm aware of anyone using NI-2 on BRI.  I'm pretty sure NI-2 is only for
> PRI.  I'm not aware of any end-user device that can do NI-2 on BRI either.
>
NI-2 is also meant for BRI, mostly with new auto-provisioning features.  NI-3
might contain better call control across multiple BRI's.  PRI's many times
don't provide features, even though vendors are working on it.  PRI's often
supply PBX's which provide the feature set.  (Often, not always.)

John