Give the following link a read.
Note: If you use Port Forwarding you need a Static IP (Explained inside)
Good to hear your router is in the same room. If you can use an ethernet connection.
Your port list requires an a xouple extra... 3075 , 3076
A support case was created for you and you should be contacted shortly by a Customer Support Representative, if you haven't been already. You can view and update your case at the Activision Support website. After logging in, go to "My Support" then "My Cases".