Voice calls
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With WORLD WING, DOCOMO's international roaming service, you can use your usual number for calls in countries and regions around the world. Voice/data communications charges and service areas for using your mobile phone overseas |
How to make and receive calls
Making calls
1. Calling from your country of stay to Japan
Calls cannot be made to toll-free numbers in Japan.
●Calling directly from the Phonebook
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●Dialing without using the Phonebook
2. Calling another WORLD WING user (or a non-DOCOMO roaming phone)
●Calling directly from the Phonebook

●Dialing without using the Phonebook
3. Calling a mobile phone or landline in your country of stay
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●Dialing procedure
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When calling from a handset supporting International Dial Assist settings, please choose "Call original number" when the dialing method confirmation screen is displayed.
If you cannot make a domestic call in the USA with the above dialing procedure, dial "1" (USA country code) before dialing the other party's phone number from the area code (city code). Even if you add the country code "1" when dialing, only domestic call charges for the country of stay apply.
If you cannot make a domestic call in Germany with the above dialing procedure, dial "49" (Germany country code) before dialing the other party's phone number from the area code (city code). Even if you add the country code "49" when dialing, only domestic call charges for the country of stay apply.
If you cannot make a domestic call in Mexico with the above dialing procedure, dial "01" before dialing the other party's phone number from the area code (city code).
4. Calling from your country of stay to a mobile phone or landline phone in another country (other than Japan)
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●Dialing procedure
1 For country codes, see here.
You may need to dial "0" at the beginning of the phone number for calls to some countries and regions (Italy etc.).
When calling a mobile phone in Mexico, please dial "1" before the mobile phone number.
When calling a mobile phone in Argentina, please dial "9" after the country code "54".
Check here for Auto Dial Assist compatible models. (in Japanese only)
This function is not available on some models.
How to receive a call (having someone call you)
1. Receiving a call from Japan in your country of stay
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●How you can be reached
Have the other party call your usual mobile phone number
2. Receiving a call from a country other than Japan in your country of stay

●How you can be reached
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Even when settings have been configured to notify the caller's phone number, the correct phone number may not be displayed, and a notice indicating that the Caller ID is not available or blocked may be shown. If the called party is using a service or function to restrict incoming calls in such cases, the incoming call may not be connected, but voice/data communications charges may still be incurred for the call.






