Alert Subscriber (ALERT_NOTIFICATION)

Alert Subscriber
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Alert subscriber message usually was sent when the user didn't switch on the mobile phone. It was received by SMSC and will store to the database and wait for send retry.

MOBILE USER(off) ---- (ALERT_NOTIFICATION) ----> MAPSMS ----> MTSL ---->Database

There will be another mechanism to query out the retry table sms and send it out trough mapsms.

Database -----------> Message Dispatcher --------> Mapsms -------> Mobile User

* There no response message needed for the alert notification message.