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git-svn-id: file:///home/ksmith/gitmigration/svn/xmpp/trunk@2339 4b5297f7-1745-476d-ba37-a9c6900126ab
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Peter Saint-Andre 2008-10-07 18:32:59 +00:00
parent 5f2683ed45
commit fb68bcf21d
2 changed files with 3 additions and 5 deletions
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6
xep-0166.xml
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@ -19,7 +19,7 @@
</dependencies>
<supersedes/>
<supersededby/>
<shortname>NOT_YET_ASSIGNED</shortname>
<shortname>jingle</shortname>
&scottlu;
&joebeda;
&stpeter;
@ -297,7 +297,7 @@
<p>The purpose of Jingle is to enable one-to-one, peer-to-peer media sessions between XMPP entities, where the negotiation occurs over the XMPP "channel" and the media is exchanged outside the XMPP channel using technologies such as the Real-time Transport Protocol (RTP; &rfc3550;), the User Datagram Protocol (UDP; &rfc0768;), and &ice;.</p>
<p>One target application for Jingle is simple voice chat (see &xep0167;). We stress the word "simple". The purpose of Jingle is not to build a full-fledged telephony application that supports call waiting, call forwarding, call transfer, hold music, IVR systems, find-me-follow-me functionality, conference calls, and the like. These features are of interest to some user populations, but adding support for them to the core Jingle layer would introduce unnecessary complexity into a technology that is designed for basic multimedia interaction.</p>
<p>The purpose of Jingle is not to supplant or replace technologies based on Session Initiation Protocol (SIP; &rfc3261;). Because dual-stack XMPP+SIP clients are difficult to build, Jingle was designed as a pure XMPP signalling protocol. However, Jingle is at the same time designed to interwork with SIP so that the millions of deployed XMPP clients can be added onto existing Voice over Internet Protocol (VoIP) networks, rather than limiting XMPP users to a separate and distinct network.</p>
<p>Jingle is designed in a modular way so that developers can easily add support for multimedia session types other than voice chat, such as video chat (see &xep0180;), application sharing, file sharing, collaborative editing, whiteboarding, and torrent broadcasting. The transport methods are also modular, so that Jingle implementations can use any appropriate media transport (including proprietary methods not standardized through the XMPP Standards Foundation).</p>
<p>Jingle is designed in a modular way so that developers can easily add support for multimedia session types other than voice chat, such as application sharing, file sharing, collaborative editing, whiteboarding, and torrent broadcasting. The transport methods are also modular, so that Jingle implementations can use any appropriate media transport (including proprietary methods not standardized through the XMPP Standards Foundation).</p>
</section1>
<section1 topic='How It Works' anchor='howitworks'>
<p>This section provides a friendly introduction to Jingle.</p>
@ -1081,9 +1081,7 @@ PENDING o----------------------+ |
to='kingclaudius@shakespeare.lit/castle'
type='result'>
<query xmlns='http://jabber.org/protocol/disco#info'>
...
<feature var='urn:xmpp:jingle:0'/>
...
</query>
</iq>
]]></example>

2
xep-0167.xml
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@ -233,7 +233,7 @@
<p>A Jingle RTP session is described by a content type that contains one application format and one transport method. Each &lt;content/&gt; element defines a single RTP session. A Jingle negotiation MAY result in the establishment of multiple RTP sessions (e.g., one for audio and one for video). An application SHOULD consider all of the RTP sessions that are established via the same Jingle negotiation to be synchronized for purposes of streaming, playback, recording, etc.</p>
<p>The application format consists of one or more encodings contained within a wrapper &lt;description/&gt; element qualified by the 'urn:xmpp:jingle:apps:rtp:0' namespace &VNOTE;. In the language of <cite>RFC 4566</cite> each encoding is a payload-type; therefore, each &lt;payload-type/&gt; element specifies an encoding that can be used for the RTP stream, as illustrated in the following example.</p>
<code><![CDATA[
<description xmlns='urn:xmpp:jingle:apps:rtp:0'>
<description xmlns='urn:xmpp:jingle:apps:rtp:0' media='audio'>
<payload-type id='96' name='speex' clockrate='16000'/>
<payload-type id='97' name='speex' clockrate='8000'/>
<payload-type id='18' name='G729'/>