Samsung Galaxy Tab S6 Complete Manual page 57

If you check 'Unknown' then all calls from anyone who is not
listed in your contacts will automatically be rejected. Be careful if
you do this as some companies and establishments' numbers are
never displayed. If you would like to add a speciic number to the
blacklist then tap Create and add a number. Tap the photo icon
to search call logs or contacts for a speciic number, or just type a
number into the box. Finally, tap Save to activate your blacklist.
Set auto-reject text
Sometimes a call comes in and you are interested in talking to that
particular person, but you just can't take the call immediately for
whatever reason. However, it is possible to let them know you are
interested in talking rather than just sending their call directly to
voicemail. Your Galaxy lets you set up text messages that you can
easily send out as you are rejecting a call.
Once again, press the Menu button to bring up the options and
then choose Call Settings. Tap Set reject messages. There are several
template messages already in the system but you can easily add
personalised ones by tapping Create. When a call comes in you can
then reject it by sending a pre-written text message.
Automatically reject calls
1 Set up SMS Go to Settings> Call>
Call rejection and tap on Rejection
messages to create or select one.
If you want to use Auto
reject mode, you must
ensure it is turned on in
the settings
2 Reject the call When you reject a
call, select a specific message to let
the caller know you can't answer.
Phone The apps
Speed dialling
1 Set up speed dials From the
Keypad screen, press the Menu
button then Speed dial.
2 Select a number Tap one of the
speed dial numbers that's not
yet been allocated.
3 Add a contact Search for a
contact in your list to add to the
speed dial.
4 Use speed dial Once added,
call them by long-pressing their
number on the keypad.
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