RE: on the bright side -- was Re: Kodak B&W Paper Discontinued? News from Ilford

From: Peter Williams ^lt;[email protected]>
Date: 07/25/05-03:57:35 AM Z
Message-id: <>

> From: Robert W. Schramm
> What really is the difference between "dialing" a number and
> pressing a bunch of buttons?

Didn't rotary dial phones use the decadic (pulse) dialling system
and touchtones use the DTMF (tone) dialling system.
Aren't they incompatible, don't exchanges work on one or the other?

Peter Williams 
Received on Mon Jul 25 04:13:40 2005

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