code: public boolean removeRemoteMessageFilter(BaseMessageFilter messageFilter, boolean bFreeFilter) throws RemoteException
      {
          BaseTransport transport = this.createProxyTransport(REMOVE_REMOTE_MESSAGE_FILTER);
          transport.addParam(FILTER, messageFilter);   // Don't use COMMAND
          transport.addParam(FREE, bFreeFilter);
          Object strReturn = transport.sendMessageAndGetReply();
          Object objReturn = transport.convertReturnObject(strReturn);
          if (objReturn instanceof Boolean)
              return ((Boolean)objReturn).booleanValue();
          return true;
      }
docs: Remove this remote message filter.
  @param messageFilter The message filter to remove.
  @param bFreeFilter If true, free the remote filter.