Can you help me set

So you are trying to set up the router.
you can connect the router to the modem and the computer to the router.
Set up your router properly sothat your computer can go online through the router.
Pnce your computer is online through the router, then connect the Vonage to the router and it should work.
First make sure that your computer will be able to go online when connected directly to the Time Warner cable modem.
Click Here for step by step solution on how to set up router.