[ICF-1800] Cannot connect to the configuration website?

Check if the Ethernet cable is properly connected.
Check if the URL is right; the format of URL is: http:// the Internet port IP address.
Check if your firewall/NAT settings are correct. If not, please set up TCP/UDP 5060~5080 and UDP 10000~20000 to router’s port forward.
Check if the version of IE is IE8, or use other browsers such as Firefox or Mozilla, or contact your administrator, supplier or ITSP for more information or assistance.