Return-Path: X-Original-To: mmusic@ietfa.amsl.com Delivered-To: mmusic@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 22AC921F8661 for ; Sun, 25 Nov 2012 11:43:49 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -102.334 X-Spam-Level: X-Spam-Status: No, score=-102.334 tagged_above=-999 required=5 tests=[AWL=-0.036, BAYES_00=-2.599, HTML_MESSAGE=0.001, MIME_8BIT_HEADER=0.3, USER_IN_WHITELIST=-100] Received: from mail.ietf.org ([64.170.98.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id Z6mAUvFQHeAB for ; Sun, 25 Nov 2012 11:43:48 -0800 (PST) Received: from blu0-omc3-s33.blu0.hotmail.com (blu0-omc3-s33.blu0.hotmail.com [65.55.116.108]) by ietfa.amsl.com (Postfix) with ESMTP id 77A0821F8665 for ; Sun, 25 Nov 2012 11:43:48 -0800 (PST) Received: from BLU002-W10 ([65.55.116.72]) by blu0-omc3-s33.blu0.hotmail.com with Microsoft SMTPSVC(6.0.3790.4675); Sun, 25 Nov 2012 11:43:46 -0800 Message-ID: Content-Type: multipart/alternative; boundary="_24ddd0be-f116-4ee7-b6ad-e245ae11c0aa_" X-Originating-IP: [24.16.96.166] From: Bernard Aboba To: =?iso-8859-1?B?U3RlZmFuIEjla2Fuc3NvbiBMSw==?= Date: Sun, 25 Nov 2012 11:43:46 -0800 Importance: Normal In-Reply-To: <50B266C5.90902@ericsson.com> References: <50AF589F.50501@ericsson.com> <50AF5934.8010307@ericsson.com>, <000601cdc996$ea6c0ec0$bf442c40$@co.in>, <50B266C5.90902@ericsson.com> MIME-Version: 1.0 X-OriginalArrivalTime: 25 Nov 2012 19:43:46.0698 (UTC) FILETIME=[2F1946A0:01CDCB45] Cc: "mmusic@ietf.org" Subject: Re: [MMUSIC] T.38 (Re: M-line philosophy (Re: Wisdom sought: Prioritization of codecs)) X-BeenThere: mmusic@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: Multiparty Multimedia Session Control Working Group List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 25 Nov 2012 19:43:49 -0000 --_24ddd0be-f116-4ee7-b6ad-e245ae11c0aa_ Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Stefan said: > I don't think this goes for fax=2C I think fax these days is only used by= =20 > certain (few) organizations and only for certain types of communication. >=20 > But if you think differently=2C please make a proposal on the rtcweb mail= list! [BA] Given the steep decline in landlines=2C POTS is on the road to becomi= ng economically non-viable by the end of the decade=2C if not sooner. Onc= e POTS shuts down=2C the legal and regulatory requirements which prop up th= e use of fax will need to be re-thought. IMHO given the bleak future of fa= x=2C supporting it in WebRTC is not worth the effort.=20 BTW=2C support for RFC 4733 (DTMF) is now required in draft-ietf-rtcweb-aud= io-01 instead of RFC 4734 (Fax=2C Modem and Text Telephony) which was cite= d (mistakenly) in -00. =20 Bernard "Spent several hours debugging T.38 last week" Aboba = --_24ddd0be-f116-4ee7-b6ad-e245ae11c0aa_ Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable

Stefan said:

>=3B = I don't think this goes for fax=2C I think fax these days is only used by <= br>>=3B certain (few) organizations and only for certain types of communi= cation.
>=3B
>=3B But if you think differently=2C please make a = proposal on the rtcweb mail list!

[BA] =3B Given the steep decli= ne in landlines=2C POTS is on the road to becoming economically non-viable = by the end of the decade=2C if not sooner. =3B Once POTS shuts down=2C= the legal and regulatory requirements which prop up the use of fax will ne= ed to be re-thought. =3B IMHO given the bleak future of fax=2C supporti= ng it in WebRTC is not worth the effort.

BTW=2C support for RFC 473= 3 (DTMF) is now required in draft-ietf-rtcweb-audio-01 instead of =3B R= FC 4734 (Fax=2C Modem and Text Telephony) which was cited (mistakenly) in -= 00. =3B

Bernard "Spent several hours debugging T.38 last week"= Aboba

= --_24ddd0be-f116-4ee7-b6ad-e245ae11c0aa_--