Ok I'll try to make a long story short

I'm new to this server and downloaded the client yesterday. Then I downloaded teamspeak so I could talk to other players/friends and such...
My question is how do I connect to the anthemRO teamspeak server? I looked at the Teamspeak Guide and used the address: anthem.ath.cx
Everytime I try to connect though I get "Failed to Connect to server". I also read I need registration rights, but how do I get them if I can't even connect?
I'm probably just being a stupid newbie here but I could really use some help. @_@
Thanks!
