Return-Path: Received: (qmail 711 invoked from network); 8 Nov 2001 17:08:14 -0000 Received: from unknown (HELO warrior.services.quay.plus.net) (212.159.14.227) by excalibur.plus.net with SMTP; 8 Nov 2001 17:08:14 -0000 Received: (qmail 24537 invoked from network); 8 Nov 2001 17:08:06 -0000 Received: from unknown (HELO post.thorcom.com) (212.172.148.70) by warrior.services.quay.plus.net with SMTP; 8 Nov 2001 17:08:06 -0000 Received: from majordom by post.thorcom.com with local (Exim 3.33 #2) id 161sUF-0004ZP-00 for rsgb_lf_group-outgoing@blacksheep.org; Thu, 08 Nov 2001 16:57:07 +0000 Received: from antiochus-fe0.ultra.net ([146.115.8.188]) by post.thorcom.com with esmtp (Exim 3.33 #2) id 161sUC-0004ZK-00 for rsgb_lf_group@blacksheep.org; Thu, 08 Nov 2001 16:57:05 +0000 Received: from comrex (d188.dial-7.cmb.ma.ultra.net [209.6.70.188]) by antiochus-fe0.ultra.net (8.8.8/ult/n20340/mtc.v2) with SMTP id LAA22352 for ; Thu, 8 Nov 2001 11:56:11 -0500 (EST) Message-ID: <00aa01c16876$8416c940$09dc9384@ma.ultranet.com> From: "John Andrews" To: rsgb_lf_group@blacksheep.org References: <155.3badb82.291bfd5c@aol.com> Subject: Re: LF: Re: Ringing Voltage on Telephone , boo-boo Date: Thu, 8 Nov 2001 11:57:26 -0500 MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 5.00.2314.1300 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group Sender: Larry, I'm with John Davis on this one. The U.S. practice is 20 Hz for ringing -- nothing at 1 kHz. John Andrews, W1TAG > Larry, I have done. My statement was based on having checked it personally > on a number of Bell and non-Bell exchanges over the years. As I said, it may > be different in Canada, but here it's 20Hz.