Sprint is gearing up to introduce a Wi-Fi calling system that would route calls over Wi-Fi rather than rely on Sprint's 4G LTE and CDMA networks. A set of leaked training materials reveals that Sprint is planning to have select Android phones able to connect to the Wi-Fi calling system, starting with these two phones: the Samsung Galaxy Mega and the Samsung Galaxy S4 Mini. The system will work only in the United States, US Virgin Islands, and Puerto Rico, so Sprint customers traveling outside of US territories will still have to pay international rates.
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Calls placed through Sprint's Wi-Fi solution will not count towards someone's monthly minutes, but Wi-Fi calling isn't really about limited calling time. Sprint has spent the past year requiring new plans to include unlimited talk, so that's clearly not a motivation. The true benefit of Wi-Fi calling is for cases in which someone's signal strength is not strong in a place where Wi-Fi is accessible. As a former Sprint customer who could never get a reliable signal in my house or that of relatives when I traveled, Wi-Fi calling can be a much easier to use way of keeping customers connected without needing to send every Sprint's signal boosters to connect to a home router.
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