Tom writes: > I had a friend who worked at Bell in the very early 1960s. He told me > before the phone system went digital there was a special code you could > issue which would activate the microphone when the phone was on the hook. He was lying. 1960s phones contain only passive components and switches. The hookswitch disconnects the microphone. -- John Hasler john@dhh.gt.org (John Hasler) Dancing Horse Hill Elmwood, WI