Extensions to the Emergency Services Architecture for Dealing With Unauthenticated and Unauthorized Devices
Henning G. Schulzrinne, S. McCann, Gábor Bajkó, H. Tschofenig, Dirk Kroeselberg · 2014
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.