Select Menu > Ctrl. panel > Phone > Speech.
With Speech, you can set the language, voice, and voice properties for the message reader.
To set the language for the message reader, select Language. To download additional languages to your device, select Options > Download languages.
When you download a new language, you must download at least one voice for that language.
To set the speaking voice, select Voice. The voice depends on the selected language.
To set the speaking rate, select Speed.
To set the speaking volume, select Volume.
To view the details of a voice, open the voice tab, and select the voice and Options > Voice details. To listen to a voice, select the voice and Options > Play voice.
To delete languages or voices, select the item and Options > Delete.