The application locale property allows an application to have a default locale that is different from the default locale of the voice response node. For example, you might want to run an English version, a French version, and a Spanish version of an application on the same voice response node. The application locale for each version determines the default language and country or region (and optionally a user-defined variant) of all voice segments in the application.
public void voiceMain() throws WVRException { . . . // Create the application properties object ApplicationProperties applicationProperties = new ApplicationProperties(); // Set the application locale applicationProperties.setLocale(Locale.US); . . . }