D-Link DPH-850S, Руководство пользователя

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Call firewall interface
Delete selected status interface
Configuration item Meaning
Call firewall
Enable the firewall: Whether to enable the
firewall. After enabling the function, there will be a
notification note in the status bar. When a number
is added to the firewall, the telephone will
automatically reject all incoming calls of this
number, at the same time there won't be any note.
Input block number : Input the number you want
to add to the call firewall.
Add : Add the number into "Call firewall".
Delete : Select one of telephone information, click
the "delete" button to remove this number from the
call firewall.
Delete All: Delete all phone number from the call