VoLTE: All Maxis Postpaid, Hotlink Postpaid and Hotlink Prepaid customers who are using VoLTE supported mobile devices that are updated with the latest device software versions.
VoWiFi: Effective 16 December 2021, all Maxis Postpaid and Hotlink customers who will be provisioned with VoWiFi service with the exception of customers on multi SIM one line (MISM). Do check if your phone is compatible over Maxis VoWiFi.