code: @SuppressWarnings("unchecked")
  	public int getBlackLListByPhone(final String phone) {
  		DetachedCriteria criteria = DetachedCriteria.forClass(Blacklist.class);
  		criteria.add(Restrictions.eq(Blacklist.PROP_BLA_PHONE, phone));
  		List<Blacklist> bla = getHibernateTemplate().findByCriteria(criteria);  
  		return  bla.size();  
  		
  	}
docs: used by sendSMS.
  @see org.esupportail.smsuapi.services.remote.SendSms#getQuota()