Network Working Group A. B. Roach
Request for Comments: 3265 dynamicsoft
Updates: 2543 June 2002
Category: Standards Track
Session Initiation Protocol (SIP)-Specific Event Notification
Status of this Memo
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.
Copyright Notice
Copyright (C) The Internet Society (2002). All Rights Reserved.
Abstract
This document describes an extension to the Session Initiation
Protocol (SIP). The purpose of this extension is to provide an
extensible framework by which SIP nodes can request notification from
remote nodes indicating that certain events have occurred.
Concrete uses of the mechanism described in this document may be
standardized in the future.
Note that the event notification mechanisms defined herein are NOT
intended to be a general-purpose infrastructure for all classes of
event subscription and notification.
Table of Contents
1. Introduction........................................... 3
1.1. Overview of Operation.................................. 4
1.2. Documentation Conventions.............................. 4
2. Definitions............................................ 5
3. Node Behavior.......................................... 6
3.1. Description of SUBSCRIBE Behavior...................... 6
3.1.1. Subscription Duration.................................. 6
3.1.2. Identification of Subscribed Events and Event Classes.. 6
3.1.3. Additional SUBSCRIBE Header Values..................... 7
3.1.4. Subscriber SUBSCRIBE Behavior.......................... 7
3.1.5. Proxy SUBSCRIBE Behavior............................... 9
3.1.6. Notifier SUBSCRIBE Behavior............................ 10
Roach Standards Track