EskeRahn 4,952 Posted July 31, 2020 Share Posted July 31, 2020 We have various threads where VoLTE have been mentioned. e.g. on AT&T closing down some networks. VoLTE is similar to VoWiFI in that it handles normal voice-calls through pure data-connection. I know that VoLTE works with LineageOS, 😁 And others have reported it working with stock Android too. - But I have not (yet?) been able to get it to work with stock for me. It is easy to test if it is working on the Pro1, as we can select LTE as the only allowed network type (Settings, Network, Mobile network, Advanced). And if voice calls still works VoLTE is active. 🙂 If not working then first we need to check if VoLTE is allowed and enabled. In the dialer, dial *#*#INFO#*#* (*#*#4636#*#*) and select "Phone1 Information" for SIM1, And you will get this: As you can see I'm not even allowed to enable VoLTE (nor video calling) on stock. Some have mentioned that it may require the carrier to explicitly white-list the device for VoLTE. Though this might be correct for some carriers, I doubt it goes for all, as it on LineageOS works with the Danish carrier CBB that I doubt have even heard of the Pro1. My normal Danish carrier Oister DO support VoLTE, but unfortunately it does not (currently) work on the Pro1 (neither Lineage nor stock) (I'm in dialogue with Oister on this) But trying the two carriers SIMs in an old Samsung S8- they act differently!! They both provides VoLTE (*), BUT only the CBB card makes Samsungs's icon for VoLTE appear in the status bar. So not all SIMs reports their VoLTE ability correctly to the device!!! Unfortunately this icon seems to be a feature added by Samsung to Android, so not as easy to spot on the Pro1. (*) On the S8- I can see it switching down from 4G+ to H+ during calls if I disabled VoLTE, that is how I know it works for Oister too. So in cases where it is not working on the Pro1 we do not know if it is the SIM that does not correctly tell the Pro1 that VoLTE is supported OR it is the carrier that does not allow VoLTE for the Pro1.... If anyone got VoLTE working on stock, then please let us know how you did it.... Edit: @Hook and @elvissteinjr reported it working, see below 🙂 Does Sailfish on Pro1 support VoLTE? Ubuntu for Pro1? 3 Quote Link to post Share on other sites
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