.inputs
  / = f.input :audio, :label => t('ringtones.form.audio.label'), :hint => conditional_hint('ringtones.form.audio.hint')
  = f.input :bellcore_id, :collection => 0..10, :label => t('ringtones.form.bellcore_id.label'), :hint => conditional_hint('ringtones.form.bellcore_id.hint'), :include_blank => true