Install a teamspeak client then:
1°) click in connect menu on the connect entry
2°) right click on the servers entry in the left part of the window
3°) left click on the "add server" option menu that has popped
4°) enter a label for this server, let's say "Magento CAB TS Server" for exemple
5°) enter as a server address "
champignons.nbs-system.com"
6°) Enter your nickname in nickname
7°) click on "anonymous"
8°) in the field "Server Password" :
ohpleaseletmein
9°) click on the connect button at the bottom of the menu
See you all at 9am pacific tomorrow morning!