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Chapter 3 Phone 45
International Roaming
You can use iPhone to make calls in many countries around the world. You must first
enable your carrier’s service plan for international roaming.
So that you can still make calls by tapping entries in contacts or favorites, you can set
iPhone to add your country prefix automatically to phone numbers when you’re calling
from another country.
When you’re traveling outside your carrier’s network, you may be able to choose
among different carriers in the area where you’re traveling.
Note: Roaming charges may apply. To avoid roaming charges, make sure Data Roaming
is turned off.
For information about making international calls, including rates and other charges
that may apply, contact your carrier or go to your carrier’s website.
Make a call from outside your home country
Contact your carrier to enable your iPhone account for international roaming.
Set iPhone to add the correct prefix when dialing from another country
From the Home screen choose Settings > Phone, then turn International Assist on or
off. By default, International Assist is on.
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Set the carrier network to use
m In Settings, tap Carrier, then select the carrier network you prefer. You can only make
calls on carriers that have roaming agreements with your iPhone service provider. Any
roaming charges may be billed from the selected network. See “Carrier” on page 93 for
more information.
Turn Data Roaming on or off
You can avoid roaming charges when you’re traveling outside your carrier’s network by
leaving Data Roaming turned off (Data Roaming is turned off by default).
To enable email, web browsing, and other data services whenever possible, turn Data
Roaming on.
m In Settings, choose General > Network and turn Data Roaming on.
Roaming charges may be incurred.
Phone Settings
From the Home screen choose Settings > Phone to adjust Phone settings.
See page 101.
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Not available in all areas.