Don't understand this idea. In UK there's a dozen or so magic numbers with one for each special crisis that you're supposed to memorize. Some are straightforward: 111 (non emergency health), 999 (emergency), but then there's 101, 112, 105? and you're supposed to dial them in certain circumstances. It seems this takes some triage load off, but it also seems like the path from "what's your emergency?" "this is not an e…
(2) Emergency dispatch may automatically dispatch police/fire/EMS. That may be counterproductive to (and discourage calls for) some other events that a ready access number is desired for.