ESRK (Emergency Services Routing Key)
ESRK (Emergency Services Routing Key) is a 10-digit North American Numbering Plan number that uniquely identifies a wireless emergency call, is used to route the call through the network, and used to retrieve the associated ALI data.
Relevant NENA Documents
Note: To find and download the document, copy the document number (like STA-010) from below and search the NENA Standards and Documents page.
NENA 03-507, ESQK Guidelines for VoIP to E9-1-1 Connectivity