ESRN (Emergency Services Routing Number)

From NENA Knowledge Base

ESRN (Emergency Services Routing Number) is used by the Call Server/Routing Proxy to route an emergency call to the correct ESGW, and by the ESGW to select the desired path to the appropriate SR for the call.

Relevant NENA Documents


NENA 03-503, NENA SS7 Guidelines for Wireline and VoIP Emergency Services Gateway Interconnection to 9-1-1 Selective Routers