I have strong wifi and weak cell signal in the office so have always put iPhone in airplane mode and used wireless calling. Now when I do it, I get the popup that I need to turn off airplane mode. It won’t let me dial out using wireless. This is an iPhone 12,
Some WiFi has the IP ports needed by WiFi Calling blocked. I run into the problem at some big-box stores: Bad cellular signal, Good, free WiFi but I can’t make calls. Try using a different VoIP app (e.g. FaceTime) and see if it works.
Thanks. Yep, all the other wifi calling apps work fine.
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