Date: Mon, 3 Feb 1997 07:52:40 +0100 (MET) From: grog@lemis.de To: terry@lambert.org (Terry Lambert) Cc: hackers@freebsd.org (FreeBSD Hackers) Subject: Re: bisdn Message-ID: <199702030652.HAA22553@freebie.lemis.de> In-Reply-To: <199702022007.NAA08382@phaeton.artisoft.com> from Terry Lambert at "Feb 2, 97 01:07:39 pm"
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Terry Lambert writes: >> Oh really? Do you get D channels? What do you do with them? > > Basic rate: 2B+D OK. Note the second question: what do you do with them? > US West: 2D+B Really? I find that hard to believe. I suppose the question is doubly relevant here: What do you do with them? >>> Think about what hardware the phone company provides for an ISDN >>> user over there, but doesn't provide for an ISDN user over here... >> >> An NT1? It doesn't do HDLC. > > No, but it much more standardized for transport encapsulation than > what we have over here. > > We have places using "ISDN" without NT1 at all. You still haven't realized the real error of your statement. D channels are signalling channels, and they use LAP-D, which bases on HDLC. Greg
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