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Common Alerting Protocol (CAP) based Data-Only Emergency Alerts using the Session Initiation Protocol (SIP)

Document Type Replaced Internet-Draft (individual)
Authors Brian Rosen , Henning Schulzrinne , Hannes Tschofenig
Last updated 2010-03-06
Replaced by RFC 8876
Stream (None)
Intended RFC status (None)
Expired & archived
plain text html xml htmlized pdfized bibtex
Stream Stream state (No stream defined)
Consensus boilerplate Unknown
RFC Editor Note (None)
IESG IESG state Replaced by draft-ietf-ecrit-data-only-ea
Telechat date (None)
Responsible AD (None)
Send notices to (None)
This Internet-Draft is no longer active. A copy of the expired Internet-Draft can be found at:


The Common Alerting Protocol (CAP) is an XML document format for exchanging emergency alerts and public warnings. CAP is mainly used for conveying alerts and warnings between authorities and from authorities to citizen/individuals. This document describes how data-only emergency alerts allow to utilize the same CAP document format.


Brian Rosen
Henning Schulzrinne
Hannes Tschofenig

(Note: The e-mail addresses provided for the authors of this Internet-Draft may no longer be valid.)