Having wifi calling does not magically get you connected to whatever wifi site. You need to step through that hoop to connect to whatever wifi site and then you can use wifi calling.
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Information about the TELUS Wi-Fi Calling service for Apple and Android devices
Wi-Fi Calling is a feature available on iPhone and Android that allows you to call and message (text and multimedia) over Wi-Fi when you have little or no cellular coverage. You can use Wi-Fi Calling to call and message as you do on the cellular network, even if the person on the other end is not using Wi-Fi Calling.
