The wireless carrier is expanding its existing Wi-Fi calling and texting service with promises of more coverage in the home and in the air.
Four of Apple's iPhones will be able to take calls over Sprint's Wi-Fi networks, a boon if your signal -- or minutes -- are running low.
If successful, the limited time project will become generally available in September.
Curious about Wi-Fi calling and what it entails? CNET has the rundown on what you need to know.
Sprint customers traveling overseas get a boon with the carrier's added Wi-Fi calling feature, starting with the Galaxy S4.
The low-cost waterproof smartphone joins a growing roster of devices capable of making phone calls over Wi-Fi.
The Samsung smartphone marks the fourth Sprint device to receive the free calling capability.
Sprint's new service lets subscribers use Wi-Fi hot spots to make phone calls and send text messages. The move should help improve coverage for Sprint customers, especially indoors.
You'll need a recent iPhone with the latest version of Apple's mobile operating system, but you won't incur any charges beyond the usual international calling rates.
The smartphone feature is useful when customers find themselves in an area with weak or no carrier coverage.