שאלה | There is a broker who keeps customers regularly, a new customer connected to the broker and even registered for a certain type of message. It has been a long time since the client has received any response and does not know what to do. Is there a way he can get some updates on the situation?

There is a broker who keeps customers regularly, a new customer connected to the broker and even registered for a certain type of message. It has been a long time since the client has received any response and does not know what to do. Is there a way he can get some updates on the situation?

		No, there is no way to receive an update immediately upon logging in
		Yes, you need to open a persistent session
		Existing customers must use the saved messages feature so that new customers receive the saved message immediately upon connecting to the broker
		Yes, he must use the highest level of QoS.