[Freeswitch-users] Voicemail prompt customizations

Hi, Is it feasible for me to add additional voicemail promtps to the current ones? For example, if voicemail is disabled for a user, but the user tries to access his voicemail box, the prompt just says "Good bye" and hangs up - is there a way I could add some additional recording in this scenario, such as "Voicemail is not enabled, good bye" ? Thanks!