Polycom MGC Administrator Administrator's Manual page 33

5. Click Advanced.
The Port Number field, and the Automatic Discovery and Secured check
boxes, appear in the Properties dialog box.
6. Clear the Automatic Discovery check box.
7. In the Port Number box that is enabled, enter port 443.
8. Select the Secured check box to enable mandatory security.
9. Click OK.
MGC Administrator's Guide
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