ECRF (Emergency Call Routing Function)

From NENA Knowledge Base

ECRF (Emergency Call Routing Function) is a functional element in NGCS (Next Generation Core Services) which is a LoST (Location-to-Service Translation) protocol server where location information (either civic address or geo-coordinates) and a Service URN serve as input to a mapping function that returns a URI used to route an emergency call toward the appropriate PSAP for the caller’s location or towards a responder agency.

Related Terms:

External ECRF

An ECRF instance that resides outside of an NGCS instance.

Internal ECRF

An ECRF instance that resides within and is only accessible from an NGCS instance.

Relevant NENA Documents