Samsung SGH-T889 User Manual Ver.lj1_f8 (English(north America)) - Page 97
Activating Wi-Fi Calling, Error: ER05 Invalid SIM
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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 ➔ and tap Done. 2. Press ➔ and then tap Settings ➔ More settings ➔ Wi-Fi Calling. The feature is active when there is a green check mark in the field. 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. 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. Call Functions and Contacts List 91