21
DHCP option 66 is http://192.168.1.240/cfg, the phone will get the configuration file from
192.168.1.240/cfg through HTTP protocol.
3) Configuration in Flash.
If you set both "PnP Active" and "To Override Server" to “No”, or don’t set DHCP option
128/66/150 in your DHCP server, the phone will obtain the provisioning server address
from the setting “Config Server Path”.
For examples, when the setting is:
The phone will get the configuration file from 192.168.0.254/cfg through HTTP protocol.
Note: You can set the phone to automatically upgrade every certain time:
For examples:
The phone will check the configuration file and the firmware every 10080 minutes (7 days).
If there are the new cfg files or the new firmware, the phone will upgrade automatically.