International Services | Services and Service Areas
You can use communication services by connecting to the network of an overseas carrier.
No additional applications or fees are required for using your own phone even overseas.
In addition to calling, you can send and receive mails and use the Internet.
- LTE high-speed data communication services can be used in the United States, Hawaii, China, Korea, and other locations.
Using overseas
Making calls
To make a call in your destination (within the service area), select "Settings" > "Cellular" > "Roaming", and check that "Voice Roaming" is set to ON.
Using data communications
(using packet communications)
To use data communications in your destination (within the service area), select "Settings" > "Cellular" > "Roaming", and check that "Data Roaming" is set to ON.
Note that packet communications may incur higher packet communication charges
About Overseas Double-Teigaku
In the areas eligible for Overseas Double-Teigaku, you are automatically connected to a carrier eligible for the flat-rate service
With carriers eligible for the flat-rate service, a maximum charge of ¥1,980/day (tax exempt) is applied if you use less than approximately 24.4 MB of packet communications overseas (manual carrier selection is no longer needed), while a maximum charge of ¥2,980/day (tax exempt) is applied for any amount above 24.4 MB, regardless of how much you use. This plan gives you peace of mind.
Packet communications used in areas not eligible for Overseas Double-Teigaku are charged on a usage basis.
For eligible countries and regions, please check the following "List of areas eligible for Overseas Double-Teigaku".
GLOBAL PASSPORT App
Check carriers eligible for the flat-rate service in your destination, how to dial, and charges by country or region.
Download the app before traveling abroad.
Download here (in Japanese only)
- Downloading incurs separate packet communications charges
Service areas and charges
Click the following links to check the areas and charges.
Notes
- Overseas service areas and areas eligible for Overseas Double-Teigaku vary between customers with a 3G contract (iPhone 4s) and customers with a 4G LTE contract (iPhone 5 or later).
- If you do not use packet communications overseas, toggle "Enable LTE" to OFF, and then toggle "Cellular" to OFF.
- Before traveling abroad, be sure to update the PRL (roaming area information) to the latest version.
Make a call to "*5050" from Japan, check that the message, "au IC card data is not updated", is displayed, and then turn the power off and back on to update the PRL.
- Calling charges to "*5050" are free.
- Note that the PRL cannot be updated from outside Japan.
- If the message, "Cannot load a network list", is displayed overseas and you cannot manually select a carrier, toggle "International CDMA" to OFF.
From Japan to overseas
Making calls
au International Phone Service
You can make international calls easily from your iPhone without any applications
How to dial
Dial "+" or "010", the country code, and then the phone number.
![[+] or [010] - [Country code] - [Phone number]](/content/dam/au-com/extlib/english/iphone/service/kokusai/images/img-phonecall-01.png)
- If the phone number starts with a 0, do not enter that 0.
When calling to a general phone number in Italy, the 0 is required.
Calling charges
Calling charges vary depending on the country or region you are calling to.
Click here for the charges
au International Calling FLAT
Flat rate international calling service from any au device (in Japan) to countries overseas!
For the au International Phone Service, please see the service introduction page as well.
Click here for details
Sending messages
International SMS
A text message can be sent from an iPhone to a phone number of a local mobile phone overseas
Application
Not required
Payment
You will be billed for this service with your au mobile phone charges on the month following use of this service.
How to send a message
(1) Tap "Message" on the Home screen
(2) Enter a destination
![[010] - [Country code] - [Mobile Phone number]](/content/dam/au-com/extlib/english/iphone/service/kokusai/images/img-phonecall-02.png)
- If the phone number starts with a 0, do not enter that 0.
(3) Enter your message
- Up to 153 single-byte characters or 67 double-byte characters
- Single-byte alphanumeric characters are recommended.
(4) Send
Charges
| Sending | Receiving |
|---|---|
| ¥100/message (tax exempt) | Free |
- International SMS communication charges are eligible for free call allowance in au rate plans.
- Click here for destinations you can send/receive messages to/from, and notes for using.
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