D-Link DPH-400G - Page 61

8.3.4.2 FEATURE
In this web page, you can configure Call Transfer, Call Waiting, 3 Ways Call,
Black List, white list Limit List and so on.
FEATURE
Field name
explanation
Do Not
Disturb
There are there options:
Disabled: The phone accept any normal incoming call
Phone: The phone rejects any incoming call, the caller will
automatically prompt hang up, but outgoing calls will not be
affected
Line: A line enabled DND will reject it's any incoming call
Ban
Outgoing
If you select Ban Outgoing to enable it, and you cannot dial out
any number.