au International Calling FLAT
*Applications accepted from February 10, 2016 If you are subscribed to an eligible Flat-rate Data service, you can make international voice calls to eligible countries and regions up to 50 calls each up to 15 minutes for a flat rate.
4G LTE iPhone (excluding iPhone 4S)
au Flat Calling 24
This service offers free domestic calls to au mobile phones at a monthly flat rate of ¥477 for 24 hours!
4G LTE iPhone (excluding iPhone 4S)