chamilo-lms/plugin/bbb/course_index.php

<?php
/**
 * This script is included by the course_home.php script (indirectly) and is
 * used to show the link to the plugin from inside the course's tools list
 * @package chamilo.plugin.bigbluebutton
 */
/**
 * Display course tool title
 */
echo "Videoconference";