Hey I have a internet box and it has only 4 ethernet plugs that could go into it so only 4 non-wireless would work. I have 2 Computers, X-box and a Fax Machine Connected to it. I need to put in more stuff such as Vonage Cable. Is there anything I could use to have more plug-ins. More than 4 wires to put in.

Or something that I put into the plug in and then i can put 2 into that 1