This plugin allows you to have videoconference rooms in each course. It requires you to have a BigBlueButton videoconference server installed on another server (ideally). Check www.bigbluebutton.org for more about BigBlueButton.
For Chamilo 1.10.x, the Videoconference plugin has two new settings options: *Enable global conference* and *Enable conference in course groups*.
You need execute this SQL query en your database after making the migration process from 1.9.x.
ALTER TABLE plugin_bbb_meeting ADD voice_bridge int NOT NULL DEFAULT 1;
ALTER TABLE plugin_bbb_meeting ADD group_id int unsigned NOT NULL DEFAULT 0;
ALTER TABLE plugin_bbb_meeting ADD user_id int unsigned NOT NULL DEFAULT 0;
ALTER TABLE plugin_bbb_meeting ADD access_url int NOT NULL DEFAULT 1;