How to enable VoLTE (Voice over LTE)?

[AnotherElk]

@Martin_Anderseck

which is already closed

I opened it again.

Latest WiFi calling (currently non-)developments are here …

List of providers with working WiFi calling on FP2 (all OS versions including Lineage OS)

Please post any positive experience with using WiFi calling on the FP2 here. I am not sure if there are actually any working examples… Please include the name of your network provider, country and type and version of the operating system you are using on your FP in the post. For those who do not know what WiFi calling is: This feature uses a WiFi connection instead of the mobile network to place and receive calls. It is extremely helpful for people (myself included) who have bad mobile network…

… and some background here …

How To set up Wifi Calling?

Hi, I would like to use Wifi calling on my Fairphone 2. My network (O2) supports it and i’ve found the setting on my fairphone (by searching ‘calling’) but when I turn on the setting it turns it self off again. Am I doing something wrong? Kind regards Adam