In theory, when you enable wi-fi calling (within the Phone settings), you get another prompt to enable wi-fi calling on other devices. It works with AT&T right now (or at least is supposed to).
Thanks! I toggled the option on/off, but didn't get the prompt (AW owner along with various iPads, etc). Hm.
Go to settings>general>about you will get a prompt to update carrier settings. Once you have completed this go to setting>phone>calls on other devices... You will see the option to enable in there.
Ah! There it is. Thanks so much (would it have killed MR to include this small bit of info?)
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