📄 rfc 3856 a presence event package for the session initiation protocol (sip).htm
字号:
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3c.org/TR/1999/REC-html401-19991224/loose.dtd">
<!-- saved from url=(0034)http://tools.ietf.org/html/rfc3856 -->
<HTML lang=en xml:lang="en"><HEAD><TITLE>RFC 3856 A Presence Event Package for the Session Initiation Protocol (SIP)</TITLE>
<META http-equiv=Content-Type content="text/html; charset=windows-1252">
<META content=index,follow name=robots>
<META content="rfcmarkup version 1.47" name=creator><LINK href="/images/rfc.png"
type=image/png rel=icon><LINK href="/images/rfc.png" type=image/png
rel="shortcut icon">
<STYLE type=text/css>BODY {
FONT-SIZE: 1em; MARGIN: 0px 8px
}
H1 {
DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 1em; LINE-HEIGHT: 0pt; FONT-FAMILY: monospace; WHITE-SPACE: pre
}
H2 {
DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 1em; LINE-HEIGHT: 0pt; FONT-FAMILY: monospace; WHITE-SPACE: pre
}
H3 {
DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 1em; LINE-HEIGHT: 0pt; FONT-FAMILY: monospace; WHITE-SPACE: pre
}
H4 {
DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 1em; LINE-HEIGHT: 0pt; FONT-FAMILY: monospace; WHITE-SPACE: pre
}
H5 {
DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 1em; LINE-HEIGHT: 0pt; FONT-FAMILY: monospace; WHITE-SPACE: pre
}
H6 {
DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 1em; LINE-HEIGHT: 0pt; FONT-FAMILY: monospace; WHITE-SPACE: pre
}
.h1 {
DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 1em; LINE-HEIGHT: 0pt; FONT-FAMILY: monospace; WHITE-SPACE: pre
}
.h2 {
DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 1em; LINE-HEIGHT: 0pt; FONT-FAMILY: monospace; WHITE-SPACE: pre
}
.h3 {
DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 1em; LINE-HEIGHT: 0pt; FONT-FAMILY: monospace; WHITE-SPACE: pre
}
.h4 {
DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 1em; LINE-HEIGHT: 0pt; FONT-FAMILY: monospace; WHITE-SPACE: pre
}
.h5 {
DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 1em; LINE-HEIGHT: 0pt; FONT-FAMILY: monospace; WHITE-SPACE: pre
}
.h6 {
DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 1em; LINE-HEIGHT: 0pt; FONT-FAMILY: monospace; WHITE-SPACE: pre
}
PRE {
FONT-SIZE: 1em
}
.pre {
FONT-FAMILY: monospace; WHITE-SPACE: pre
}
.header {
FONT-WEIGHT: bold
}
@media Print
{
BODY {
FONT-SIZE: 10.5pt
}
H1 {
FONT-SIZE: 10.5pt
}
H2 {
FONT-SIZE: 10.5pt
}
H3 {
FONT-SIZE: 10.5pt
}
H4 {
FONT-SIZE: 10.5pt
}
H5 {
FONT-SIZE: 10.5pt
}
H6 {
FONT-SIZE: 10.5pt
}
A:link {
TEXT-DECORATION: none
}
A:visited {
TEXT-DECORATION: none
}
.break {
PAGE-BREAK-BEFORE: always; TEXT-DECORATION: none
}
.noprint {
DISPLAY: none
}
}
@media Screen
{
.grey {
COLOR: #777
}
.grey A:link {
COLOR: #777
}
.grey A:visited {
COLOR: #777
}
.break {
DISPLAY: none; TEXT-DECORATION: none
}
.docinfo {
BACKGROUND-COLOR: #eee
}
.top {
BORDER-TOP: #eee 2px solid
}
.bgwhite {
BACKGROUND-COLOR: white
}
.bgred {
BACKGROUND-COLOR: #f44
}
.bggrey {
BACKGROUND-COLOR: #666
}
.bgbrown {
BACKGROUND-COLOR: #840
}
.bgorange {
BACKGROUND-COLOR: #fa0
}
.bgyellow {
BACKGROUND-COLOR: #ee0
}
.bgmagenta {
BACKGROUND-COLOR: #f4f
}
.bgblue {
BACKGROUND-COLOR: #66f
}
.bgcyan {
BACKGROUND-COLOR: #4dd
}
.bggreen {
BACKGROUND-COLOR: #4f4
}
.legend {
FONT-SIZE: 90%
}
.cplate {
FONT-SIZE: 70%
}
}
</STYLE>
<SCRIPT type=text/javascript><!-- function addHeaderTags() { var spans = document.getElementsByTagName("span"); for (var i=0; i < spans.length; i++) { var elem = spans[i]; if (elem) { var level = elem.getAttribute("class"); if (level == "h1" || level == "h2" || level == "h3" || level == "h4" || level == "h5" || level == "h6") { elem.innerHTML = "<"+level+">"+elem.innerHTML+"</"+level+">"; } } } } var legend_html = "Colour legend:<br /> <table> <tr><td>Unknown:</td> <td><span class='cplate bgwhite'> </span></td></tr> <tr><td>Draft:</td> <td><span class='cplate bgred'> </span></td></tr> <tr><td>Informational:</td> <td><span class='cplate bgorange'> </span></td></tr> <tr><td>Experimental:</td> <td><span class='cplate bgyellow'> </span></td></tr> <tr><td>Best Common Practice:</td><td><span class='cplate bgmagenta'> </span></td></tr> <tr><td>Proposed Standard:</td><td><span class='cplate bgblue'> </span></td></tr> <tr><td>Draft Standard:</td> <td><span class='cplate bgcyan'> </span></td></tr> <tr><td>Standard:</td> <td><span class='cplate bggreen'> </span></td></tr> <tr><td>Historic:</td> <td><span class='cplate bggrey'> </span></td></tr> <tr><td>Obsolete:</td> <td><span class='cplate bgbrown'> </span></td></tr> </table>"; function showElem(id) { var elem = document.getElementById(id); elem.innerHTML = eval(id+"_html"); elem.style.visibility='visible'; } function hideElem(id) { var elem = document.getElementById(id); elem.style.visibility='hidden'; elem.innerHTML = ""; } // --> </SCRIPT>
<META content="MSHTML 6.00.2900.3059" name=GENERATOR></HEAD>
<BODY onload=addHeaderTags()>
<DIV style="HEIGHT: 8px"><SPAN class="pre noprint docinfo bgblue"
onmouseover="this.style.cursor='pointer';" title="Click for colour legend."
onclick="showElem('legend');" onmouseout="hideElem('legend')"></SPAN>
<DIV class="docinfo noprint pre legend" id=legend
onmouseover="showElem('legend');"
style="BORDER-RIGHT: #345 1px solid; PADDING-RIGHT: 9px; BORDER-TOP: #345 1px solid; PADDING-LEFT: 7px; LEFT: 4ex; VISIBILITY: hidden; PADDING-BOTTOM: 5px; BORDER-LEFT: #345 1px solid; PADDING-TOP: 4px; BORDER-BOTTOM: #345 1px solid; POSITION: absolute; TOP: 4px; BACKGROUND-COLOR: white"
onmouseout="hideElem('legend');"></DIV></DIV><SPAN
class="pre noprint docinfo top">[<A title="Document search and retrieval page"
href="http://tools.ietf.org/html/">RFCs/IDs</A>] [<A
title="Plaintext version of this document"
href="http://tools.ietf.org/rfc/rfc3856.txt">Plain Text</A>] [From <A
href="http://tools.ietf.org/html/draft-ietf-simple-presence">draft-ietf-simple-presence</A>]
</SPAN><BR><SPAN class="pre noprint docinfo"></SPAN><BR><SPAN
class="pre noprint docinfo">PROPOSED STANDARD</SPAN><BR><SPAN
class="pre noprint docinfo"></SPAN><BR><PRE>Network Working Group J. Rosenberg
Request for Comments: 3856 dynamicsoft
Category: Standards Track August 2004
<SPAN class=h1>A Presence Event Package for the Session Initiation Protocol (SIP)</SPAN>
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
⌨️ 快捷键说明
复制代码
Ctrl + C
搜索代码
Ctrl + F
全屏模式
F11
切换主题
Ctrl + Shift + D
显示快捷键
?
增大字号
Ctrl + =
减小字号
Ctrl + -