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 <title>iptel.org - Tutorial</title>
 <link>http://www.iptel.org/taxonomy/term/83/9</link>
 <description></description>
 <language>en</language>
<item>
 <title>Personal Web Pages</title>
 <link>http://www.iptel.org/admin/personal_pages</link>
 <description> &lt;h2&gt;Personal Web Pages&lt;/h2&gt;
&lt;p&gt;
If you have an account on shell.iptel.org then you can create your own web
pages there. The contents of home directories is shared across servers using
NFS and thus it will also become immediately visible on all the web servers.
&lt;/p&gt;
&lt;h3&gt;Directory and Permissions&lt;/h3&gt;
&lt;p&gt;
Do the following if you want to create your own webpages:
&lt;ol&gt;
  &lt;li&gt;Create directory named public_html in your home directory&lt;/li&gt;
  &lt;li&gt;Make sure that your home directory and public_html subdirectory can be accessed by anyone&lt;br/&gt;
      (chmod a+x /home/username /home/username/public_html)
  &lt;/li&gt;
  &lt;li&gt;Place your HTML pages in public_html subdirectory of your home directory.&lt;/li&gt;
&lt;/ol&gt;
Your webpages will be available at &lt;span class=&quot;uri&quot;&gt;http://iptel.org/~username&lt;/span&gt; or &lt;span class=&quot;uri&quot;&gt;http://www.iptel.org/~username&lt;/span&gt;.
&lt;/p&gt; </description>
 <category domain="http://www.iptel.org/administration/site">Site</category>
 <category domain="http://www.iptel.org/doc/tutorial">Tutorial</category>
 <pubDate>Mon, 04 Sep 2006 10:40:47 +0200</pubDate>
</item>
<item>
 <title>System Overview</title>
 <link>http://www.iptel.org/iptelorgsite/overview</link>
 <description> &lt;p&gt;
  The system running at iptel.org is powered by &lt;a href=&quot;http://drupal.org&quot;&gt;Drupal&lt;/a&gt; content management system. Drupal makes the 
  management of the site easy and hopefully it will be easier for us to keep it up-to-date. This page should give the reader 
  overview of the whole system, including how the pages are created, stored, and managed. After reading this page you should see
  the &quot;big picture&quot; and you should be able to lookup additional information if needed.
&lt;/p&gt;
&lt;h2&gt;Nodes&lt;/h2&gt;
&lt;p&gt;
In Drupal web pages are stored in MySQL database in form of &lt;em&gt;nodes&lt;/em&gt;. Node is the basic piece of content in Drupal. When a new page is created then Drupal creates a new node and stores it in the database. For the sake of clarity you can assume that node is equivalent of page (and yes, we know this is not always true).
&lt;/p&gt; </description>
 <category domain="http://www.iptel.org/administration/site">Site</category>
 <category domain="http://www.iptel.org/doc/tutorial">Tutorial</category>
 <pubDate>Thu, 31 Aug 2006 23:20:11 +0200</pubDate>
</item>
<item>
 <title>SIP Tutorial</title>
 <link>http://www.iptel.org/tutorial</link>
 <description> &lt;p&gt;Here you can download the SIP Tutorial written by Dorgham Sisalem and Jiri Kuthan. In this tutorial you will learn:
&lt;ul&gt;
&lt;li&gt;What is IP Telephony. &lt;/li&gt;
&lt;li&gt;Basics about IETF&lt;a href=&quot;glossary#term176&quot; title=&quot;IETF: Internet Engineering Task Force, the Internet standards body.&quot; class=&quot;glossary-indicator&quot;&gt;i&lt;/a&gt; standardization process. &lt;/li&gt;
&lt;li&gt;Overview of IP Telephony signaling protocols. &lt;/li&gt;
&lt;li&gt;What is SIP and how does it work. &lt;/li&gt;
&lt;li&gt;Basics about available media codecs. &lt;/li&gt;
&lt;li&gt;What is RTP&lt;a href=&quot;glossary#term191&quot; title=&quot;RTP: Real-time Transport Protocol, an IETF protocol that can be used to carry multi-media data over the Internet.&quot; class=&quot;glossary-indicator&quot;&gt;i&lt;/a&gt; and how does it work. &lt;/li&gt;
&lt;li&gt;Basics about IMS&lt;a href=&quot;glossary#term271&quot; title=&quot;IMS: IP Multimedia System&quot; class=&quot;glossary-indicator&quot;&gt;i&lt;/a&gt; and 3GPP&lt;a href=&quot;glossary#term163&quot; title=&quot;3GPP: Third Generation Partneship Project (ETSI)&quot; class=&quot;glossary-indicator&quot;&gt;i&lt;/a&gt;. &lt;/li&gt;
&lt;li&gt;Basics about QoS.  &lt;/li&gt;
&lt;/ul&gt;
  If you are looking for other SIP related technical information, you may also want to try  the &lt;a href=&quot;http://www.cs.columbia.edu/sip&quot;&gt;SIP website&lt;/a&gt;.&lt;/p&gt;
 </description>
 <category domain="http://www.iptel.org/doc/tutorial">Tutorial</category>
 <enclosure url="http://www.iptel.org/files/sip_tutorial.pdf" length="5999858" type="application/pdf" />
 <pubDate>Mon, 03 Apr 2006 14:59:18 +0200</pubDate>
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