Final answer:
Centralized routing refers to providing PSAPs with only the address and telephone number of a single, central location.
Step-by-step explanation:
Providing PSAPs with only the address and telephone number of a single, central location refers to centralized routing. In centralized routing, emergency calls are forwarded to a central location where dispatchers can gather the necessary information and route the call to the appropriate emergency services. In this approach, emergency calls are directed to a central location, and the limited information provided typically includes the caller's address and telephone number. Centralized Routing is a method used in some emergency response systems to handle emergency calls efficiently and route them to the appropriate response center.