From owner-freebsd-isdn Sat Jan 27 15:35:12 2001 Delivered-To: freebsd-isdn@freebsd.org Received: from nets5.rz.rwth-aachen.de (nets5.rz.RWTH-Aachen.DE [137.226.144.13]) by hub.freebsd.org (Postfix) with ESMTP id D602537B400 for ; Sat, 27 Jan 2001 15:34:54 -0800 (PST) Received: from post.rwth-aachen.de (s4m229.dialup.RWTH-Aachen.DE [137.226.8.229]) by nets5.rz.rwth-aachen.de (8.10.1/8.10.1/6) with ESMTP id f0RNYmL19953; Sun, 28 Jan 2001 00:34:48 +0100 (MET) Message-ID: <3A735B6F.D0644868@post.rwth-aachen.de> Date: Sun, 28 Jan 2001 00:36:15 +0100 From: Gerald Heinig X-Mailer: Mozilla 4.72 [en] (X11; I; FreeBSD 4.2-STABLE i386) X-Accept-Language: en MIME-Version: 1.0 To: Ignatios Souvatzis Cc: freebsd-isdn@freebsd.org Subject: Re: Question about FRMR transmit, although docs say not to References: <3A7338BE.FA7EC4B9@post.rwth-aachen.de> <20010127221737.C1588@beverly.kleinbus.org> Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: owner-freebsd-isdn@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org Ignatios Souvatzis wrote: > > On Sat, Jan 27, 2001 at 10:08:14PM +0100, Gerald Heinig wrote: > > Hi there, > > This has me puzzled, since if you don't transmit a certain frame at any time (according to the state machine > > definition), you can't expect to receive it! > > Uhm, wait. > > - You can expect to have equipment working according to older (or newer) > protocol versions That's the only reason I could think of that makes sense. > > - hm, is the protocol symmetric at that level at all? If not, the other side > might well be allowed to send that. Quite right. The protocol isn't symmetric, but I was under the impression that Q921 describes TE _and_ NT behaviour. If it only describes TE behaviour, then that would answer the question. However, why does i4b then _transmit_ a FRMR frame? > > Regards, > -is To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-isdn" in the body of the message