Apple iPhone X: Call Filter
Do Not Disturb (DND)
This is what Apple calls its rudimentary call filter.
Allow Calls/finely adjustable Positive List
Apple calls it "Do Not Disturb" - check the setup menu DND / Allow calls:
- Every (unfiltered, all callers)
- No (calls completely blocked)
- Favorites (finely adjustable positive list / only friends / acquaintances)
Favorites = Anonymous callers and disturbers get busy or mailbox
Callers with suppressed call number immediately get a busy signal or be thrown to the mailbox when activated «Do not disturb» (DND).
Set a Time Window for conservative People and Hardliners, which you still like
Families and friends who suppress their call number (call without a caller ID) can only call at certain times. For example, between 18:00 and 20:00 everyone would go through, even if the caller can not be found in the address book of your iPhone because of CLIR (abbreviation for Calling Line Identification Restriction).
The outgoing message to your mailbox you could formulate accordingly: «landed on the mailbox only because of CLIR, … please next time call with activated caller ID!».
Alternatively, enable a rough positive list
If anonymous callers, stalker, automatic dialing and dialing the wrong number fax machines are to be blocked, but everyone else should call contact saved in the iPhone address book, you can find the ideal solution later in the settings menu DND / Allow calls:
- all contacts
This option allows the selection of contacts / groups
- all (Contacts added by mail accounts, each email account separately selectable)
- collected addresses
As soon as an automatic dialing call («Dialer») calls at short intervals and suppresses its own number or displays a constantly changing fake phone number, «Do not disturb» must remain active, otherwise you are no longer available for serious callers!
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