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42 Chapter 3 Phone
International Roaming
You can use iPhone to make calls in many countries around the world. You must first
enable your AT&T service plan for international roaming. International roaming is not
required when calling from the U.S., Canada, Puerto Rico, or the U.S. Virgin Islands.
International roaming charges may apply depending on your rate plan.
So that you can still make calls by tapping entries in contacts or favorites, you can set
iPhone to add the correct prefix automatically to U.S. phones numbers when you call.
When you’re traveling abroad, you may be able to choose which carrier network you
want to use.
For information about international coverage and how to enable roaming, go to:
www.wireless.att.com/learn/international
Make a call from outside the U.S., Canada, Puerto Rico, or U.S. Virgin Islands
m Enable your iPhone for international roaming.
You don’t need to enable international roaming to use iPhone in Canada, Puerto Rico,
and the U.S. Virgin Islands.
Set iPhone to add the correct prefix to U.S. numbers when dialing from abroad
m From the Home screen choose Settings > Phone, then turn International Assist on or
off. By default, International Assist is on.
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 AT&T. Any roaming charges will be
billed from the selected network. See “Carrier” on page 95 for more information.