code: public VoiceMessageResponse sendVoiceMessage(final VoiceMessage voiceMessage) throws UnauthorizedException, GeneralException {
          return messageBirdService.sendPayLoad(VOICEMESSAGESPATH, voiceMessage, VoiceMessageResponse.class);
      }
docs: Convenient function to send a simple message to a list of recipients
  
  @param voiceMessage Voice message object
  @return VoiceMessageResponse
  @throws UnauthorizedException if client is unauthorized
  @throws GeneralException      general exception