Draytek Vigor IPPBX 2820 Series User Manual page 360

Below shows the successful activation of Web Content Filter:
Status
Start Date
Expire Date
Activate
Display the mechanism (represented with code number, e.g.,
CT-CF) adopted by such router.
Display the starting date of WCF license activated successfully.
Display the ending date of WCF license activated successfully.
Click this link to access into http://myvigor.draytek.com for
activating WCF function.
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VigorIPPBX 2820 Series User's Guide