This document provides a problem statement@ introduces terminology@ and describes an extension for the base IETF emergency services architecture to address cases where an emergency caller is not authenticated@ has no identifiable service provider@ or has no remaining credit with which to pay for access to the network.
RFC 7406-2014 history
2014RFC 7406-2014 Extensions to the Emergency Services Architecture for Dealing With Unauthenticated and Unauthorized Devices