<p>When in the extensions folder click on the Add Extension button  as shown in the
screen below:</p>

<img class="screenshot" src="http://www.tri-line.com/common/img/documentation/tim_professional/adding_extension_1.png" alt="Adding an extension" />

<p>The following prompt will appear:</p>

<img class="screenshot" src="http://www.tri-line.com/common/img/documentation/tim_professional/adding_extension_2.png" alt="Adding an extension" />

<p>Type your new extension number in the text box and press the OK button. If the extension you
are trying to enter already exists, you will be told.</p>

<img class="screenshot" src="http://www.tri-line.com/common/img/documentation/tim_professional/adding_extension_3.png" alt="Adding an extension" />

<p>When you press the OK button to add the extension, the following popup will appear. This
allows you to configure the properties for that extension. Note that
any properties added here will be displayed when using the directory
via TIM's web interface.</p>