A new Request for Comments is now available in online RFC libraries.
RFC 6809
Title: Mechanism to Indicate Support of
Features and Capabilities in the Session
Initiation Protocol (SIP)
Author: C. Holmberg, I. Sedlacek,
H. Kaplan
Status: Standards Track
Stream: IETF
Date: November 2012
Mailbox: christer.holmberg@ericsson.com,
ivo.sedlacek@ericsson.com,
hkaplan@acmepacket.com
Pages: 19
Characters: 40053
Updates/Obsoletes/SeeAlso: None
I-D Tag: draft-ietf-sipcore-proxy-feature-12.txt
URL: http://www.rfc-editor.org/rfc/rfc6809.txt
This specification defines a new SIP header field, Feature-Caps. The
Feature-Caps header field conveys feature-capability indicators that
are used to indicate support of features and capabilities for SIP
entities that are not represented by the Uniform Resource Identifier
(URI) of the Contact header field.
SIP entities that are represented by the URI of the SIP Contact
header field can convey media feature tags in the Contact header
field to indicate support of features and capabilities.
This specification also defines feature-capability indicators and
creates a new IANA registry, "Proxy-Feature Feature-Capability
Indicator Trees", for registering feature-capability indicators.
[STANDARDS-TRACK]
This document is a product of the Session Initiation Protocol Core Working Group of the IETF.
This is now a Proposed Standard Protocol.
STANDARDS TRACK: This document specifies an Internet standards track
protocol for the Internet community,and requests discussion and suggestions
for improvements. Please refer to the current edition of the Internet
Official Protocol Standards (STD 1) for the standardization state and
status of this protocol. Distribution of this memo is unlimited.
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