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Note: With certain rate plans, minutes used while connected
to the Wi-Fi network count against available rate plan
minutes.
Important! If you are not using a new ISIM card, you will
receive an Error: ER05 Invalid SIM message. You
must be using a new ISIM card to use this feature.
Activating Wi-Fi Calling
1. Ensure that the Wi-Fi connected icon displays on the
status bar.
• If prompted with an on-screen "Did you know your phone can
make calls over Wi-Fi" popup, tap Learn and follow the
remaining on-screen instructions. Tap Next
2. From the Home screen, press
Settings
More settings
is active when there is a green check mark in the field.
82
and tap Done.
and then tap
Wi-Fi Calling. The feature
3. If
(Missing 911 Address) displays in the Status
Bar, follow these steps to provide 911 an address for
emergency situations:
• Log into my.t-mobile.com.
• Click on Profile and edit the Edit customer information.
• Enter your emergency location information and complete the
online registration.
4. From the Home screen, press
Settings
More settings
5. Tap Connection Preferences and select a preference for
use by the Wi-Fi Calling feature:
• Wi-Fi Preferred: Wi-Fi network is preferred over cellular
network when making calls. Calling requires you to stay in the
Wi-Fi range.
• Wi-Fi Only: Wi-Fi network is required for making calls. Calling
requires you to stay in the Wi-Fi range.
• Cellular Preferred: The cellular network is preferred over a
Wi-Fi network when making calls.
and then tap
Wi-Fi Calling Settings.
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