The company's service will be available in only "select areas" in certain states across the central part of the US initially.
That's the word from Sprint CEO Dan Hesse, who says that the feature should be available "around the first of July."
BBM for Apple, Android and BlackBerry is updating today to add free voice chat and more. Click here to learn about the new features.
Company's head of mobility, Ralph de la Vega, makes the announcement at AT&T's developer conference.
CommuniGate System uses Global IP Solutions' VoiceEngine to power its Pronto IP voice communication.
Every Sprint smartphone will be able to pick up the three different spectrum frequencies the carrier runs. The exception, of course, is the iPhone, which Sprint declined to comment on.
Just like the iPhone 5 for Verizon and Sprint, the iPhone 5S won't be able to simultaneously browse the Internet while making a call, unlike the AT&T and T-Mobile versions.
Carrier to deploy the improved voice calling feature when it begins routing voice calls over its LTE network, AllThingsD reports.
Supertooth launched the HD Voice Bluetooth speaker phone for cars at CES 2013, noting that it has two speakers and two microphones for superior call quality.
Big Red won't roll out the higher-quality voice service until 2014 as the U.S. carriers continue to run into hiccups.