When there is a change in network status, a message of type NETWORK_STATUS_NOTIFICATION is sent to the system queue. It has an expiry of one minute. This expiry time cannot be changed.
When a device goes into network coverage or out of network coverage, a message is sent to the system queue that contains the following information:
You can use network status notifications to monitor network availability and take action when a device comes into coverage. For example, use the on demand policy and call QAManagerBase triggerSendReceive when a system queue message is received of type NETWORK_STATUS_NOTIFICATION with ias_NetworkStatus=1.
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