Discussion are in Discussion Board, or by text-conferences, at UniNet IRC network, channel #cin
You can enter freely to the IRC network using any of the IRC serves, as irc.uninet.edu, using a IRC client. You should use a server near to you. Come in the channel #cin
You can also access without a IRC program using one of this links:
http://textoconferencias.uninet.edu/cgi-bin/uninet/textoconferencias
http://conganat.uninet.edu/chat1.html
http://www3.coruniversitec.edu.co/index.php?id=5
http://www.psicologia-online.com/chat/ircclient/chat1.html
You can use both methods indistinctly, since they connect you to the same network and channels.
If you only have access to web pages, (ie, you are behind a firewall) you can try the server irc2.uninet.edu by port 80 (/server irc2.uninet.edu:80)