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.
If the issue persists, there may be other factors affecting your Visual Voicemail.
Source: https://www.devicemag.com/iphone-visual-voicemail-not-working/