4 ms·
That's exactly why the UK emergency number was set as 999. Needing those extra clicks meant it was harder for random events to trigger a call.
by timthorn 8y ago
That's exactly why the UK emergency number was set as 999. Needing those extra clicks meant it was harder for random events to trigger a call.
- n4r9 8y agoWell, part of the reason. They wanted to use a number close to 0 so that it could be dialled on a rotary phone without requiring visibility. 111 was rejected for the reason of random events or faulty lines, 222 because it connected to Abbey's local exchange: http://news.bbc.co.uk/local/london/hi/people_and_places/history/newsid_8675000/8675199.stm http://news.bbc.co.uk/local/london/hi/people_and_places/hist...