From the home screen, tap Phone. Note: The call blocking feature may not affect phone calls made or received via third-party apps installed on your device. Please contact third party app developers for assistance with such applications.
Tap the Menuicon.
Scroll to and tap Callrejection.
To add all Unknown numbers (No caller ID) to the rejection list, tap Unknown number.
To add a number to the Call rejection list, tap Callrejectionlist.
Tap the Addicon.
Choose Desiredcontact, recentcall or enter the Desirednumber to add to the list and tap SAVE.
To turn the call rejection list on or off, from the 'Call rejection' screen, tap Call rejection. Note:When call rejection is on (checked), calls from number's on the rejection list will be sent straight to voicemail.
To remove a number from the Call rejection list, tap the Deleteicon.