Samsung Galaxy S User Manual page 88

Wi-Fi Communication Issue
Displays when Wi-Fi is active and there is an
available open wireless network.
Note: To avoid international data roaming fees when using
Wi-Fi calling when outside the United States, the Data
Roaming feature on your device must be turned off.
Note: With certain rate plans, minutes used while connected
to the Wi-Fi network count against available rate plan
minutes.
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. Press
More settings Wi-Fi Calling. The feature is active
when there is a green check mark in the adjacent field.
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and tap Done.
Internal Use Only
and then tap Settings
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 Your Profile and edit the Customer Information.
• Enter your emergency location information and complete the
online registration.
4. Press and then tap Settings
More settings Wi-Fi Calling 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.
6. Tap OK to save the setting.