Message reader settings
To select the default language and voice used for reading messages and adjust the
voice properties, such as rate and volume. Select Menu > Settings > Speech.
To automatically detect the language of a message and read the message using
that language, select Language detection > On. When reading a message, if there
is no voice available for the language or if Language detection is set to Off, the
default language is used.
To view details of a voice, scroll right, scroll to the voice, and select Options >
Voice details. To test a voice, scroll to the voice, and select Options > Play voice.