How can I send my internet signal from my laptop to my wireless router?

My name is JOSH and I am in the USAF currently deployed in Saudi Arabia. I have a laptop running Windows XP connected to the internet using an aircard. I also have in my possession a vonage wireless router with an active account. If I can transfer this signal from my laptop to my router, I can used my vonage phone and call my family on a regular basis.

How can I send my internet signal from my laptop to my wireless router?