From owner-freebsd-hackers Mon Feb 3 02:53:26 1997 Return-Path: Received: (from root@localhost) by freefall.freebsd.org (8.8.5/8.8.5) id CAA22737 for hackers-outgoing; Mon, 3 Feb 1997 02:53:26 -0800 (PST) Received: from parkplace.cet.co.jp (parkplace.cet.co.jp [202.32.64.1]) by freefall.freebsd.org (8.8.5/8.8.5) with ESMTP id CAA22727 for ; Mon, 3 Feb 1997 02:53:23 -0800 (PST) Received: from localhost (michaelh@localhost) by parkplace.cet.co.jp (8.8.5/CET-v2.1) with SMTP id KAA09376; Mon, 3 Feb 1997 10:51:51 GMT Date: Mon, 3 Feb 1997 19:51:51 +0900 (JST) From: Michael Hancock To: "Daniel O'Callaghan" cc: grog@lemis.de, Terry Lambert , FreeBSD Hackers Subject: Re: bisdn In-Reply-To: Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-hackers@freebsd.org X-Loop: FreeBSD.org Precedence: bulk On Mon, 3 Feb 1997, Daniel O'Callaghan wrote: > On Mon, 3 Feb 1997, Michael Hancock wrote: > > > I find this hard to believe too, 2D channels is wierd. The D-channel is > > for out-of-band signaling. It's why you get 64K instead of 56K. > > Oh? According to the ISDN specs I've read basic rate ISDN is 2B+D, as > 2 * 64 + 1 * 16. Do the Japanese use American ISDN? > > Danny I'm talking about a single B channel. Japan has the standard 2B+D. In the states there exists ISDN service with in-band signaling and you get 56K per channel. Mike Hancock