IETF Logo Mail Archive

Re: [rtcweb] Identity and PSTN gateways

Iñaki Baz Castillo <ibc@aliax.net> Tue, 03 April 2012 13:31 UTC

Return-Path: <ibc@aliax.net>
X-Original-To: rtcweb@ietfa.amsl.com
Delivered-To: rtcweb@ietfa.amsl.com
Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id DEAF411E8074 for <rtcweb@ietfa.amsl.com>; Tue, 3 Apr 2012 06:31:59 -0700 (PDT)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -2.645
X-Spam-Level:
X-Spam-Status: No, score=-2.645 tagged_above=-999 required=5 tests=[AWL=0.032, BAYES_00=-2.599, FM_FORGED_GMAIL=0.622, MIME_8BIT_HEADER=0.3, RCVD_IN_DNSWL_LOW=-1]
Received: from mail.ietf.org ([12.22.58.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id ckamFhgFIaNr for <rtcweb@ietfa.amsl.com>; Tue, 3 Apr 2012 06:31:59 -0700 (PDT)
Received: from mail-vb0-f44.google.com (mail-vb0-f44.google.com [209.85.212.44]) by ietfa.amsl.com (Postfix) with ESMTP id AA7E211E8072 for <rtcweb@ietf.org>; Tue, 3 Apr 2012 06:31:53 -0700 (PDT)
Received: by vbbez10 with SMTP id ez10so2830382vbb.31 for <rtcweb@ietf.org>; Tue, 03 Apr 2012 06:31:53 -0700 (PDT)
X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20120113; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :cc:content-type:content-transfer-encoding:x-gm-message-state; bh=AMEinye633qgbyou00qAtOG+aWJ8w/nb5K9OxdVTrqw=; b=c6IyZcHQeS1yJQoXbD1q3RshMuZlSYdBzIaKhiknSfaOo63nGnJ44y6+cOeFDNyQCk osbxkZ1vuk7/Ing4GeCwkN6GLf/YQrJ/McwFzxkFqmTC+oxGVmIMk4fZ6lYkErCb6iWa RJdx0qyjpY0BVE8/sv8gXPTXzgVJGcffPkQDsOET+w0I68dW6S1vZC26xeiBEXmz+L06 0AwEsvXlxMulpcNCCAgdVJHyoISljdhhoeXehQp1rxicIY7sqMSuHY9MHF8tY1qSg8Ma 7mA/u/vm0avo9D8AsD5RMuHwmx0AK92QALHidjRE0XoA1yCKYYGVeCkPWzd9Fs9F4HtQ gMnA==
Received: by 10.52.88.4 with SMTP id bc4mr5480472vdb.51.1333459913146; Tue, 03 Apr 2012 06:31:53 -0700 (PDT)
MIME-Version: 1.0
Received: by 10.52.170.165 with HTTP; Tue, 3 Apr 2012 06:31:33 -0700 (PDT)
In-Reply-To: <4F7AF40D.3010706@alvestrand.no>
References: <4F7AF40D.3010706@alvestrand.no>
From: Iñaki Baz Castillo <ibc@aliax.net>
Date: Tue, 03 Apr 2012 15:31:33 +0200
Message-ID: <CALiegfky6h7fMZkfN+xQgQYvutYh2H7h_nvfA8mQe5wPKGWqvA@mail.gmail.com>
To: Harald Alvestrand <harald@alvestrand.no>
Content-Type: text/plain; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable
X-Gm-Message-State: ALoCoQkZsIoCzJLYMPXKLFRieOKb3KZoTCXhC4h0ePMVMJAjSF4CB/nJZmGFPjnG6mT+ZFt/2PUg
Cc: "rtcweb@ietf.org" <rtcweb@ietf.org>
Subject: Re: [rtcweb] Identity and PSTN gateways
X-BeenThere: rtcweb@ietf.org
X-Mailman-Version: 2.1.12
Precedence: list
List-Id: Real-Time Communication in WEB-browsers working group list <rtcweb.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/options/rtcweb>, <mailto:rtcweb-request@ietf.org?subject=unsubscribe>
List-Archive: <http://www.ietf.org/mail-archive/web/rtcweb>
List-Post: <mailto:rtcweb@ietf.org>
List-Help: <mailto:rtcweb-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/rtcweb>, <mailto:rtcweb-request@ietf.org?subject=subscribe>
X-List-Received-Date: Tue, 03 Apr 2012 13:32:00 -0000

2012/4/3 Harald Alvestrand <harald@alvestrand.no>:
> Thus - if you call a telephone number via a gateway, you would perform a
> DTLS key exchange with the gateway

A super gateway like in in this figure:

  http://public.aliax.net/WebRTC/WebRTC_SIP_Interop_DTLS-EKT-SRTP.png

Taking into account that SIP-PSTN gateways into most of the SIP PSTN
providers don't support SRTP or ICE, how long will take the scenario
you mean to become real and widely adopted/implemented? IMHO 10 years.

-- 
Iñaki Baz Castillo
<ibc@aliax.net>

v2.23.0 | Report a Bug | By Email