By news@appleinsider.com (Mike Peterson) T-Mobile will stop supporting phones that aren’t compatible with Voice over LTE (VoLTE) in early 2021, with AT&T to follow suit in 2022.Credit: AppleVoice over LTE (VoLTE) routes voice calls over a 4G LTE connection, instead of 3G. It’s a standard, with many carriers requiring phones to …

Source:: Apple Insider