As long as Verizon has been talking about the HD Voice and VoLTE network enhancements we have yet to see any of it ...

T-Mobile has announced the addition of voice-over-LTE in the Seattle market. What does that mean? Nice, crisp calls over T-Mobile's advanced LTE network, ...

AT&T has announced that they've started working on out HD Voice in initial markets, with work to begin as early as May 23rd. ...

Anyone still with Sprint? CEO Dan Hesse is promising to rollout HD Voice to the entire country by the beginning of July if ...

It’s one of the features I miss most after leaving T-Mobile: HD voice. Switching over to AT&T not more than a few months ...