AAC Text Communication Device allows users to use any iOS voice. The Voice button is below the message window to the right of the Speak button. The currently selected voice will appear on the button.

To change the voice:

1. Tap the Voice button.
2. Select a voice from the iOS voice options.
3. Tap Next.
4. Adjust “Pitch” and “Speech Rate” as needed.
5. Tap Save Settings.