A New Internet-Draft is available from the on-line Internet-Drafts directories. This draft is a work item of the Sip ALerting for User Devices Working Group of the IETF.
Title : Alert-Info URNs for the Session Initiation Protocol (SIP)
Author(s) : Laura Liess
Roland Jesske
Alan Johnston
Dale R. Worley
Paul Kyzivat
Filename : draft-ietf-salud-alert-info-urns-04.txt
Pages : 35
Date : 2011-12-08
The Session Initiation Protocol (SIP) supports the capability to
provide a reference to a specific rendering to be used by the UA when
the user is alerted. This is done using the Alert-Info header field.
However, the reference addresses only network resources with specific
rendering properties. There is currently no support for predefined
standard identifiers for describing the semantics of the alerting
situation or the characteristics of the alerting signal, without
being tied to a particular rendering. To overcome this limitation
and support new applications, a new family of URNs for use in SIP
Alert-Info header fields is defined in this specification.
This document normatively updates [RFC3261], the Session Initiation
Protocol (SIP). It changes the usage of the SIP Alert-Info header
field defined in the [RFC3261] by additionally allowing its use in
all provisional responses to INVITE (except the 100 response).
A URL for this Internet-Draft is:
http://www.ietf.org/internet-drafts/draft-ietf-salud-alert-info-urns-04.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-salud-alert-info-urns-04.txt
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