>most recently for CDMA in the US and 3G in Germany for example, but also for non-VoLTE-capable devices on some networks in the US This is quickly turning into

>most recently for CDMA in the US and 3G in Germany for example, but also for non-VoLTE-capable devices on some networks in the US This is quickly turning into all networks. I'm seeing a lot more people running into VoLTE issues now in dumbphone and digital wellbeing groups that are picking up old/cheap LTE capable phones to try out the lifestyle. T-Mobile was the last to fold and start whitelisting even in the MVNO space where usually we don't run into problems. There are cheap VoLTE capable phones that are available, but its become an easy way for carriers to thin out older devices from the networks.