WSO2 EMM uses various notification methods to send the device its list of pending operations. The notification method will vary based on the type of the mobile OS.
Android Notification methods
Android uses the following two notification methods:
GCM
The Google Cloud Messaging (GCM) notification method uses the GCM server to wake-up the device. If the notification type is set to GCM, when there are pending operations that need to be enforced on a device, WSO2 EMM server will send a push notification to the GCM server and the GCM server will in-turn send the message to the respective device. The latter mentioned push notification will contain an empty payload. When the device receives the push notification, it will communicate with the WSO2 EMM server and receive the list of pending operations that need to be enforced on the device.
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