Sony Xperia XZ1 User Manual page 35

All calls / Unanswered calls
forward to OK
・ If
Unanswered calls is selected, set ring time.
・ Tap
to select phone number to forward to from
Contacts.
OK
Call Forwarding is activated.
Enter phone number to
Using Voicemail
In Home Screen, (Apps)
Settings Calls
Call settings open.
Voicemail/Call Forwarding
Voicemail/Call Forwarding settings open.
Activate Voicemail
33
(Phone)