Hello Joe,
There are no power settings on a WIP310 that would cause this. The reason your calls don't go through is most likely because of the lack of a network connection due to your wireless disconnecting. You didn't list any details about the router, your network config, whether you are using encryption etc so i'll throw some stuff out here. This is due to one of these things from likely to not likely:
- Wireless encryption on many consumer grade routers causes the connection to cut out intermittently.
- wireless interference causing the phone to lose the WIFI.
- Router cutting in and out of WIFI transmission.
- Defective WIP310.
The web panel for the phone is located at the address of the phone itself. Unless you're using static IP's (again, no network info) i'm assuming you're using DHCP. Using a web browser from a computer on the same network, type: http://192.168.x.xxx (address of the phone). You get the address by going to the "options" soft key and selecting "info".
This applies to any networking device. There is no specific URL, it's always the ip address of the device.