Hi yes the phone is VoLTE capable as I said the problem is intermittent and if I reboot the phone it remove and refit the SIM it cures the problem for a couple of days. Could it be a faulty SIM card?
Has there been any resolution to this problem as I'm having the same thing. The phone shows 4g or 5g three or four bars when you try to make a call the 4g or 5g drops of still shows the bars but completely silent and the call doesn't connect incomin...