the LTE network connection remains active for VoLTE calls. Your phone may support VoLTE. To make sure, here's a list of VoLTE ...

Also, AT&T is now requiring that its phones support VoLTE (phone calls over LTE), another thing old feature phone OSes don't support. So the XE's core kernel comes from the Android Open Source ...

UBports has released Ubuntu Touch OTA-8, a relatively small update as the team concentrates on a major OS base upgrade from Ubuntu. While the update itself is light on new feature ...

In order to make a VoLTE phone call, your phone, your provider, the receiving phone and the intermediate network providers must all support the protocol. Even some newer phones like the Samsung ...