Step 8: Enter the Hostname you want to use and select dyndns.org from the drop-down menu,
click the button of Add Host to finish register.
Step 9: now you should enter the Username, Password and Hostname (named Device DNS
Name in BF-480) into BF-480 to enable this function.
How to register from TZO.com
Step 1: Enter the web side www.tzo.com in Browser, select the Order/Renew from top screen.