Calls from contacts or phone numbers added to the reject list are automatically ignored and the call is forwarded to Voicemail.
From a Home screen, tap the Phone icon (located at the bottom).
From the Dial or Recent tab, tap the Menu icon (upper-right).
Tap Call settings.
From the General section, tap Call blocking & Ignore with message.
Tap Allow ignore with message to turn on or off .
If turning on, select or enter the appropriate message then tap SAVE.
Tap Blocked numbers to block calls and messages from specific numbers.
To add, tap the + icon (upper-right), select a number then tap Done.
To delete, tap the Delete icon , select a number then tap Remove.
Tap the Back icon .
Tap Digit filter to block calls based on their starting or ending digits.