PSAP (Public Safety Answering Point)

An entity responsible for receiving 9-1-1 calls and processing those calls according to a specific operational policy. Variations:

  • Primary PSAP: A PSAP to which 9-1-1 calls are routed directly from the 9-1-1 Control Office.
  • Secondary PSAP: A PSAP to which 9-1-1 calls are transferred from a Primary PSAP.
  • Alternate PSAP: A PSAP designated to receive calls when the primary PSAP is unable to do so.
  • Consolidated PSAP: A facility where multiple Public Safety Agencies choose to operate as a single 9-1-1 entity.
  • Legacy PSAP: A PSAP that cannot process calls received via i3-defined call interfaces (IP-based calls) and still requires the use of CAMA or ISDN trunk technology for delivery of 9-1-1 emergency calls.
  • Serving PSAP: The PSAP to which a call would normally be routed.
  • NG9-1-1 PSAP: This term is used to denote a PSAP capable of processing calls and accessing data services as defined in NENA’s i3 specification, NENA NENA-STA-010, and referred to therein as an “i3 PSAP”.
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