How to Enable Auto Reject Call to Block Unwanted Callers number on your Samsung Galaxy S3

If you need to block unwanted calls on your Samsung Galaxy S3 you can simply set it by enabling the 'auto reject mode' via your phone's "call settings". This option lets you block an specific caller's number that will be blacklisted as incoming call to your phone number. Yeah, too nice isn't it! block someone you wouldn't mind to talk like your boyfriend if he breaks you up. This is also good for people who loves to play hide and seek.  But don't ever block your wife, husband, mom, dad, family members or closest friends number or they might be worry about you when you're away.

To block a call from someone's number you can simply set it by doing this steps.

From the Home screen, Tap on "Menu"
Tap on "Settings"
Tap "Call Settings"
Then select "Call Rejection"
Enable the “Auto Reject Mode”
Select “Auto Reject List”.
Here you will have the following options:
Enter a caller's number: You can create a reject a call by entering a specific numbers
Choose from your contacts: Go into your contacts and choose a particular contact's numbers that you wish to reject or block.
Match criteria: you could also select Match criteria to further customize the automation, an option to search the number from log and can add to the block list.

Then Tap on "Save" your call rejection settings.

If you need to add more number to the rejection list, just repeat the above steps.
It displays as 'Unknown", you may then click the “Create” + button and type the number to add the numbers.You can also use the “Match Criteria” option to search the number from log and can add to the block list.