PRF (Policy-based Routing Function)

PRF (Policy-based Routing Function) is a functional component of an Emergency Service Routing Proxy that determines the next hop in the SIP signaling path using a Policy Routing Rule.

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.

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• NENA-INF-011, NENA NG9-1-1 Policy Routing Rules Operations Guide
• NENA-STA-010, Detailed Functional and Interface Standards for the NENA i3 Solution