The New York City Police Department (Police) and the Fire Department of New York City (Fire) work together to operate the 911 system. The reports included within this site focus on the average time each stage of the process takes from start to finish or end-to-end. The starting point is when a New Yorker dials 911 and speaks with a dispatcher. The final point is when the Police, Fire, or Medical response unit arrives at the site of the emergency..