User Manual NRP1000 Series IP Phone5-14 www.newrocktech.comName DescriptionSubnet Mask Sets the subnet mask of the lease table.IP Gateway Sets the default IP gateway of the lease table.DNS ServerAddressSets the default IP address of the DNS server of the lease table. Click Add to addentries to the lease table.DHCP LeaseTable DeleteLeased TableNameSelect name of lease table, click the Delete button will delete the selected lease tablefrom DHCP lease table.DNS RelayEnable DNSRelaySelect DNS Relay, the default is enabled. Click the Apply button to become effective. The number of entries in the release table cannot exceed the number of Class C IP addresses.You are recommended to use the default release table without any modifications. If you need to modify the release table, reboot the HTTP server to validate the modification.5.4.6 TIME&DATEYou can configure the zone according to your location and enable Simple Network Time Protocol(SNTP) to obtain the date and day-light saving time automatically. Alternatively, you can set the timemanually.