def start_all_linking(self, mode, group):
        """Put the IM into All-Linking mode.

        Puts the IM into All-Linking mode for 4 minutes.

        Parameters:
            mode: 0 | 1 | 3 | 255
                  0 - PLM is responder
                  1 - PLM is controller
                  3 - Device that initiated All-Linking is Controller
                255 = Delete All-Link
            group: All-Link group number (0 - 255)

        """
        msg = StartAllLinking(mode, group)
        self.send_msg(msg)