911 calls in Simcoe County are answered by two call-taking centres. Ordinarily, the call-taker asks, "Do you require for, police, or ambulance?" and then immediately transfers the call to the requested agency. Calls made to 911 from TTY (telephone typewriter) are handled differently than other 911 calls. Our 911 call-taking centres are equipped with TTY terminals. The call-taker engages in a typed conversation with the caller, obtaining as much information as possible about the nature of the emergency. The 911 call-taker then calls the required agency, and relays all of the information on behalf of the caller. Our largest 911 call-taking centre reports that they receive an average of 1 TTY 911 call per year.