The County Executive's plan, issued in March l987, called for a decentralized network with 52 public-safety answering points.

Calling this single number provided caller access to police, fire and ambulance services, through what would become known as a common Public-safety answering point (PSAP).

Each call is routed to one of 39 public-safety answering points, including local and state police departments, as well as to the Westchester County Police, he said.

Other secondary terminals include local emergency management agencies, National Weather Service field offices and Public-safety answering points (PSAPs).

It is the public-safety answering point for the city of Kennesaw and the neighboring city of Acworth, and dispatches the separate police departments of both cities.

Support of ToIP is being considered in multimedia Emergency Public-safety answering point (PSAPs) in Europe and USA.

A public-safety answering point (PSAP), sometimes called "public-safety access point", is a call center responsible for answering calls to an emergency telephone number for police, firefighting, and ambulance services.

Telephone companies also must keep track of changing city limits to ensure that calls to 9-1-1 are routed to the appropriate public-safety answering point, if the city operates a PSAP separate from the county.

The source number is used to look up the Emergency Service Number (phone number) of the appropriate call center (Public-safety answering point, or PSAP) in a database and connect the call.

When activated, the in-vehicle eCall device will establish an emergency call carrying both voice and data directly to the nearest emergency point (normally the nearest E 1-1-2 Public-safety answering point, PSAP).

Access-class barring is one solution in such a situation, allowing public safety (PS) personnel such as emergency responders to have priority on the network, as well as general emergency calls to public-safety answering points (PSAPs).

The Chattahoochee River 911 Authority, also known as ChatComm, is the public-safety answering point for all emergency calls to 9-1-1 in Sandy Springs, Dunwoody, and Johns Creek, Georgia, in the northern part of metro Atlanta.