D-Link DPH-850S User Manual page 122

Field name
MMI Filter Table Set
Add the IP address segments that access to the phone.
Set initial IP address in the Start IP column, Set end IP address in the
End IP column, and click Add to add this IP segment.
MMI Filter Table Set
Enable/Disable MMI Filter.
Field name
Update Security File
Select the security file you want to update, then click "Update" to
update.
Delete Security File
Select the security file you want to delete, then click "Delete" to delete.
MMI FILTER
Explanation
SECURITY interface
SECURITY
Explanation
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