Sprint’s(s s) rollout of HD Voice has been very deliberate so far, but in the next few months it will ramp up its efforts, upgrading its entire network with new high-quality voice technology. At the Oracle Industry Connect conference on Tuesday, Sprint CEO Dan Hesse said the Sprint’s whole footprint would be HD Voice capable around July 1, LightReading reported.

HD Voice produces much higher-fidelity voice calls and it’s already made its way into many VoIP applications. While the mobile industry is single-mindedly focused on data these days, the handheld computers we carry around are still phones. Voice quality is still an important, if secondary, consideration for most consumers, but as Gigaom Research’s Colin Gibbs has pointed out, the quality of voice has actually suffered in recent years as carriers focus on their data networks.

Getting to HD Voice isn’t an easy path, though. Communications networks are…