To check the router's configuration, open up a web browser and type in the following: 192.168.1.1 (That is the default ip address of the LAN modem. This can be changed. If it has, then find out what the default gateway/router address is and try to get to the LAN modem's configuration via that ip address).
You can check configuration parateters in two places:
From the main menu, on the left hand side, click on the ISP Wizard button
From the main menu, on the graphic, have the user click on service providers (upperleft corner)
To have the device manually dial
From the main menu, click on ISP wizard, then click on continue (located on the lower left corner)
From the main menu, click on the Manual Calling button, (located below the ISP Wizard button). Click on the place call link for the appropriate profile.
To get the IP address the LAN Modem has obtained from a connection to us
On the left hand side, click on Statistics
Click on Current Call
Look for an item that says IP address in use. That is the IP address in use.