2 ms·
The UK originally considered using 111, but there were problems in that on windy days, trees etc brushing the lines could generate momentary disconnections = a
by Angostura 3y ago
The UK originally considered using 111, but there were problems in that on windy days, trees etc brushing the lines could generate momentary disconnections = a pulse = digit 1. So false calls.
999 was choosen because it was easy to find the number 9 on the dial in the dark.
- gpvos 3y agoOn a rotary dial 9 is hard to find, 0 or 1 would be much easier. Was the UK early with button dials?
- pm215 3y agoIt's not that difficult -- you find the metal fingerstop, and then move two around from it (0 and then 9). 000 would be easier, but it seems like that was already taken for other purposes.