As it was rumored a few weeks ago, AT&T has introduced both VoLTE (Voice over LTE) and HD Voice calling. For now, both of those features are only available in specific areas of these markets, starting on May 23rd: Illinois Indiana Minnesota Wisconsin Of course, both of these features will continue to expand to more
VoLTE has not seen the light of day in the US yet, but that might change soon. According to Engadget, AT&T is supposedly trying to beat Verizon to be the first major carrier to offer VoLTE (Voice over LTE) for customers. Both carriers were originally aiming for VoLTE to be ready in 2013, but that didn’t happen.