Did you check related settings on the camera page? It should not be a router issue.

Provide model number of your modem. Which light is not on? Internet connection works but VOIP configuration fails?

We should find out correct model number and hardware version on device itself. What's the model number and hardware version showing on the bottom of your router itself? Provide the photo.

The installation process is complete instead of keeping restarting and showing 100% for about 20 minutes, right? If so, your problem is not the same as Maxim. The configuration is finished but you...

Disconnect Wi-Fi from your main router and connect your PC to LAN port of 801. Follow this guide to login again. http://www.tp-link.com/en/faq-375.html

What's the hardware version of your WA701ND? http://www.tp-link.com/en/faq-375.html http://www.tp-link.com/en/faq-174.html