Taiwan’s major mobile carriers provide Wi-Fi Calling services.

➡ While you are in Japan, Wi-Fi Calling is treated as if you were using your phone in Taiwan.

📲 Receiving calls and SMS: Free

📲 Making calls and sending SMS: Charged at your Taiwan domestic rates

📶 Requirements

・Your phone is connected to Wi-Fi.

・Wi-Fi Calling is enabled on your phone (please refer to the attached guide).

・Your Taiwan SIM card is active.
(No international roaming subscription is required, so you don’t need to worry about additional roaming charges.)

📞 How to Make Calls

Calling a Taiwan number

➡ Dial the Taiwan phone number directly without adding the country code.

Calling a Japan number

➡ Make an international call.
(Example: 009-81-…)

🌟 Benefits

・No need to enable international roaming.

・You can make and receive calls over Wi-Fi even in areas with poor mobile signal, such as indoors.

・The person you’re calling will not know that you’re overseas.

・You can also receive SMS verification codes while abroad.

The default settings are as follows:

Network Password: 1234
PIN Code: 0000

⚠️ We recommend changing the password according to your needs after use to improve security.

🅰️ Yes, you can use them together.

You can use JB Voice SIM and Wi-Fi at the same time depending on your needs.

・Use Wi-Fi for internet access
・Use the SIM card for voice calls and SMS

Flexible and convenient!

✅ Basic Usage (Voice Calls / SMS)

Simply insert the SIM card into your smartphone, and you can immediately use voice calls and SMS!

Your smartphone will automatically display your Japanese phone number, making it very convenient 👍

📞 Voice Call & SMS Settings

If you only use voice calls and SMS after inserting the SIM card:

You do not need to connect to Wi-Fi.
You do not need to configure mobile data settings.

📶 Mobile Data Settings (For Use in Japan)

If you want to use mobile data:

iPhone: You need to download the configuration profile.

Android: You need to manually configure the APN settings.