A New Internet-Draft is available from the on-line Internet-Drafts directories.
Title : Extensions to the Emergency Services Architecture for dealing with Unauthenticated and Unauthorized Devices
Author(s) : H. Schulzrinne, et al.
Filename : draft-schulzrinne-ecrit-unauthenticated-access-05.txt
Pages : 18
Date : 2009-07-13
The IETF emergency services architecture assumes that the calling
device has acquired rights to use the access network or that no
authentication is required for the access network, such as for public
wireless access points. Subsequent protocol interactions, such as
obtaining location information, learning the address of the Public
Safety Answering Point (PSAP) and the emergency call itself are
largely decoupled from the underlying network access procedures.
In some cases, the device does not have credentials for network
access, does not have a VoIP provider, or the credentials have become
invalid, e.g., because the user has exhausted their prepaid balance
or the account has expired.
This document provides a problem statement, introduces terminology
and describes an extension for the base IETF emergency services
architecture to address these scenarios.
A URL for this Internet-Draft is:
http://www.ietf.org/internet-drafts/draft-schulzrinne-ecrit-unauthenticated-access-05.txt
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ftp://ftp.ietf.org/internet-drafts/
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