What are you trying to do exactly? My best guess is you are trying to access settings on the home phone 2 but the app is failing. In that case, if you have a computer I would try using the web utility instead of the app on your phone. You can use the...
Here are some ideas:Does your bandwidth match up with your usage? How old is your router? and How many devices are attached to it?Is your router firmware uptodate?Are you operating behind a firewall or using a VPN?
That should only be a problem if two routers are broadcasting too close to each other on the same frequency. Since they are being broadcast by one router it shouldn't make a difference. You could always test it out. It's not difficult to turn on and...