Position Source

From NENA Knowledge Base

Position Source is a parameter in the E2 protocol standard that actually indicates the 'method' used for determining the latitude and longitude values, but that is also frequently used as an indication of wireless Phase 1 or Phase 2 in the ALI response to the PSAP.

Relevant NENA Documents
Note: To find and download the document, copy the document number (like NENA-STA-010) from below and search the NENA Standards and Documents page.

NENA-STA-018, NENA Standard for the Implementation of the Wireless Emergency Service Protocol E2

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