code: public void passivateDialog(HASipDialog dialog) {
  		String dialogId = dialog.getDialogIdToReplicate();
  		sipCache.evictDialog(dialogId);		
  		String mergeId = dialog.getMergeId();
          if (mergeId != null) {
              serverDialogMergeTestTable.remove(mergeId);
          }
  		dialogTable.remove(dialogId);
  	}
docs: /*
  (non-Javadoc)
  @see org.mobicents.ha.javax.sip.ClusteredSipStack#passivateDialog(org.mobicents.ha.javax.sip.HASipDialog)