A New Internet-Draft is available from the on-line Internet-Drafts directories. This draft is a work item of the Emergency Context Resolution with Internet Technologies Working Group of the IETF.
Title : Data-Only Emergency Calls
Author(s) : Brian Rosen
Henning Schulzrinne
Hannes Tschofenig
Filename : draft-ietf-ecrit-data-only-ea-03.txt
Pages : 23
Date : 2012-03-12
RFC 6443 'Framework for Emergency Calling Using Internet Multimedia'
describes how devices use the Internet to place emergency calls and
how Public Safety Answering Points (PSAPs) can handle Internet
multimedia emergency calls natively. The exchange of multimedia
traffic typically involves a SIP session establishment starting with
a SIP INVITE that negotiates various parameters for that session.
In some cases, however, the transmission of application data is
everything that is needed. Examples of such environments include a
temperature sensors issuing alerts, or vehicles sending crash data.
Often these alerts are conveyed as one-shot data transmissions and in
some rare cases they may require a session to be established. These
type of interactions are called 'data-only emergency calls'.
A URL for this Internet-Draft is:
http://www.ietf.org/internet-drafts/draft-ietf-ecrit-data-only-ea-03.txt
Internet-Drafts are also available by anonymous FTP at:
ftp://ftp.ietf.org/internet-drafts/
This Internet-Draft can be retrieved at:
ftp://ftp.ietf.org/internet-drafts/draft-ietf-ecrit-data-only-ea-03.txt
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