Have you actually looked?
----- Original Message -----
From: "John Andrews" <[email protected]>
To: <[email protected]>
Sent: Thursday, November 08, 2001 11:57
Subject: Re: LF: Re: Ringing Voltage on Telephone , boo-boo

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.