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Sprint(s s) might be getting ready to introduce Wi-Fi calling, according to leaked training documents obtained by Android Central. This would make it the second major U.S. carrier to offer the feature next to T-Mobile(s tmus).
According to the documents, Wi-Fi calling will be available on the Samsung Galaxy S4 mini (pictured above) and the Samsung Galaxy Mega at launch. It would eventually make its way to new devices running Android 4.2 (Jelly Bean) and above.
Wi-Fi calling is a significant feature because it allows you to place and receive calls and text messages over Wi-Fi instead of your cellular network. This is not only useful when you’re stuck somewhere with bad reception, it can also help save money for those with limited text messages or voice minutes in their plan.
It looks like the setup process will be simple. According to the documents, all you’ll need to do is activate the feature through a web interface on a compatible device. There should even be a Wi-Fi calling toggle in the Settings menu for compatible devices in the future. Turning the feature on won’t cost you any additional money, based on the documentation.
The training documents also say the feature will only be supported in the U.S., Puerto Rico and the Virgin Islands. It won’t be supported over VPN, and you won’t be able to place outbound calls if you don’t have a CDMA signal, which is required for 911 services. Finally, in order to use the feature, you’ll need to have Android’s(s goog) location services turned on, which means it might not appeal to security buffs.
It isn’t clear when Sprint plans to introduce Wi-Fi calling, or if this will even happen at all. But if it does, it’ll definitely be a boon for users that have ever had to struggle to find a signal.