US Patent 10267652 Node communication with unknown network ID

A method includes sending, by a node, a beacon at a regular time interval, the beacon comprising at least an associated utility device identification (ID) and communication channel information; receiving, at the node, a message from a network device on the communication channel beginning within a time window after a defined delay after the beacon was sent; determining, by the node, if the message comprises the associated utility device ID; and initiating, by the node, temporary two-way communication by sending a response to the network device.