 U.S.-based Tracfone plans to require VoLTE devices by summer of 2020.As of 2020, almost all new phones for sale support VoLTE.As of February 2019 there were 253 operators investing in VoLTE in 113 countries globally, including 184 operators with commercially launched VoLTE-HD voice service in 87 countries, up from 137 operators in 65 countries 12 months previously, according to data from the Global Mobile Suppliers Association.