Synonyms that are in the dictionary are marked in green. Synonyms that are not in the dictionary are marked in red.
Antonyms that are in the dictionary are marked in green. Antonyms that are not in the dictionary are marked in red.
Call forwarding is another feature that can affect your iPhone's ringing.
Source: https://www.devicemag.com/why-my-iphone-doesn-t-ring/