Call instance = calls.next();
int id = instance.getId();
CallDirection direction = instance.getDirection();
directionName = CommonUtil.getOptionLabel(direction);
String subject = CommonUtil.fromNullToEmpty(instance.getSubject());
CallStatus status = instance.getStatus();
statusName = CommonUtil.getOptionLabel(status);
SimpleDateFormat dateFormat = new SimpleDateFormat(
Constant.DATE_TIME_FORMAT);
Date startDate = instance.getStart_date();
String startDateString = "";