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.


 * 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