Last updated on APRIL 12, 2012
Applies to:Oracle Communications Network Charging and Control - Version: 4.3.0
Information in this document applies to any platform.
In the situation where a Mobile Terminated Short Message (SMS-MT) must be delivered to a subscriber, the Short Message Service Center (SMSC) will query the Home Location Register (HLR) to retrieve the current status of the subscriber before delivering the message.
To do this, the SMSC invokes the MAP service package MAP_SEND_ROUTING_INFO_FOR_SM, which sends a sendRoutingInfoForSM (SRI-for-SM) MAP message to the destination number's HLR, requesting their present location. Hence, SMSC will discover the location of the B-Party in order to be able to correctly deliver the text to the recipient.
Here is the general figure of a Mobile Terminated Short Message delivery.
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