Date: Fri, 11 Feb 2000 10:01:39 +0100 (MET) From: hm@hcs.de (Hellmuth Michaelis) To: torstenb@vmunix.org (Torsten Blum) Cc: freebsd-isdn@FreeBSD.ORG Subject: Re: free slow channel Message-ID: <20000211090139.A468138C2@hcswork.hcs.de> In-Reply-To: <m12JBFI-000OSPC@onizuka.vmunix.org> from Torsten Blum at "Feb 11, 0 09:16:08 am"
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From the keyboard of Torsten Blum: > >A friend told me in [last weekend's (5&6 Feb 2000)?] Suddeutsche Zeitung > >`Computer & Co' supplement, it reported that, as of 9/2000 Deutsche Telekom > >would offer free continuous ISDN connection at low bandwidth. > >I presume this is buried inside the 16K D channel, > >I hope it's not tied into their own ISP service, but is generic, > > I don't know what DTAG wans to offer technically, but ATMK the only > way to transfer data in the D-channel which is supported by ITU > standards is X.25 via D-Channel as defined in X.31. This has been > available from DTAG for a long time. > > I wonder if they really want to do it via X.25 or if there's either > any standard I missed or if DTAG wants to define a new protocol on > their own ... This looks like AODI (always on dynamic isdn ?) what was hyped some months ago in the US. If i understood it correctly this works like this: you have a permanently open (virtual) X.31 connection open on the D-channel and in case you need more bandwidth one or both B-channels are opened. What i don't understand, is how the Telekom will solve the marketing and pricing problem of giving something away for free (X.31 in the D-channel) what they are currently charging extraordinary amounts of money ..... hellmuth -- Hellmuth Michaelis Tel +49 40 559747-70 HCS Hanseatischer Computerservice GmbH Fax +49 40 559747-77 Oldesloer Strasse 97-99 Mail hm [at] hcs.de 22457 Hamburg WWW http://www.hcs.de To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-isdn" in the body of the message
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