Sony Xperia XZ2 User Manual page 75

Calls to Landline Phones/Cell Phones in
Country of Stay
Place calls the same way you would within Japan.
・Do not enter country code or omit first 0 from phone
numbers.
In Home Screen, (Apps)
Phone opens.
Dialing screen opens.
Tap dialpad to enter the other party's number
(Phone)
Call option selection opens.
Call to local
Handset dials number. Call begins when other party
answers.
73