If you cannot answer your calls, you can divert incoming calls.
Select > Settings and Calling > Call divert > Voice calls.
Call divert is a network service. For details, contact your network service provider.
|Divert voice calls when unanswered|
Select If not answered > Activate > To voice mailbox.
|Divert voice calls when you are currently in a call|
Select If busy > Activate > To voice mailbox.
More than one diverting option can be active at the same time.
Divert all voice calls to another phone number
Select All voice calls > Activate > To other number.
Enter the number. To use a number saved in your contacts list, select Find.
Call barring and call diverting cannot be active at the same time.