In Settings/Phone: Make sure Call Forwarding is off.
Make sure Do Not Disturb is off:
iOS 14 & older: Go to Settings/Do not Disturb. Turn it off if it is on. Also turn off Scheduled. With both off none of the other switches there matter.
iOS 15: Go to Settings/Focus, and verify that all focus settings are disabled.
iOS 16: Open the Control Center and turn off Focus.
Go to Settings/Sounds & Haptics. Make sure there is a sound assigned to Ringtone.
Go to Settings/Accessibility/Touch/Call Audio Routing and make sure Auto-Answer Calls is off.
Go to Settings/Screen Time/Communications Limits. Tap each of the 2 entries and make sure both are “Everyone"
In Settings/Phone: Make sure Call Forwarding is off.
Make sure Do Not Disturb is off:
iOS 14 & older: Go to Settings/Do not Disturb. Turn it off if it is on. Also turn off Scheduled. With both off none of the other switches there matter.
iOS 15: Go to Settings/Focus, and verify that all focus settings are disabled.
iOS 16: Open the Control Center and turn off Focus.
Go to Settings/Sounds & Haptics. Make sure there is a sound assigned to Ringtone.
Go to Settings/Accessibility/Touch/Call Audio Routing and make sure Auto-Answer Calls is off.
Go to Settings/Screen Time/Communications Limits. Tap each of the 2 entries and make sure both are “Everyone"
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I phone 14 only rings nce
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