6.
In this page, check the box of "I have read and accept the above Agreement". The
system will find out the date for you to activate this version of service. Then, click
Next.
Note: CTCH means you can acquire anti-spam service from Commtouch.
7.
When this page appears, click Register.
8.
Next, the DrayTek Service Activation screen will be shown as the following.
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VigorPro5510 Series User's Guide