But Nevill may have been well aware of the fact that JB shut off his AM when he was at home, Adam? Which does make sense really! It would be a pest surely the AM continually kicking in just as you were about to pick up the phone, wouldn't it? Would mean missing calls and having to call back!
Do you not think everyone would leave there AM on 24/7?
BT's 1571 service was after AM's &;did that. So do todays mobile phone voice mail.
AM's would have still been useful when at home. Espescially if tired and sleeping 'like a log'.