We have poor reception in the house. An elegant solution would be to make phone calls via WLAN. My provider Swisscom offers this option.
Unfortunately, Swisscom cannot tell me whether and how I can activate the WiFi calling function on my OnePlus 6T (ONE PLUS A6013, Android 9, OxygenOS 9.0.14).

Question

We have poor reception in the house. An elegant solution would be to make phone calls via WLAN. My provider Swisscom offers this option.
Unfortunately, Swisscom cannot tell me whether and how I can activate the WiFi calling function on my OnePlus 6T (ONE PLUS A6013, Android 9, OxygenOS 9.0.14).

Accepted Answer

In the meantime, I have found instructions on how to activate the function on the internet. It seems to work. https://www.android-hilfe.de/forum/oneplus-6.3336/anleitung-volte-und-vowifi-calling-freischalten.877130.html

Your data. Your choice.

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We have poor reception in the house. An elegant solution would be to make phone calls via WLAN. My provider Swisscom offers this option. Unfortunately, Swisscom cannot tell me whether and how I can activate the WiFi calling function on my OnePlus 6T (ONE PLUS A6013, Android 9, OxygenOS 9.0.14).