Forum Discussion
WiFi calling requires signal?
I often have no signal at my new house. Not a sausage. WiFi is great, though. The problem is that if I don't have at least one bar, my phone won't even try to make a call. So long as I have a bar, it...
Your thoughts are correct, you do not need a mobile network signal to call through wifi calling.
https://forum.xda-developers.com/t/s10e-sm-g970f-ds-lineageos-is-wifi-calling-volte-working.4581053/
HOWEVER, you would appear to be experiencing a known issue with the Lineage OS, according to the thread, where people have decided losing the capability of wifi calling is worth it to have a de-googled phone.
EDIT : Loathe to suggest this, as Smarty works great for me and many others, but, as you have moved to a new house with no Three / Smarty signal, it may be best to explore a new network. Obviously, check the coverage maps of other networks in the first instance, to make sure you dont replicate this issue.
