Additional APIs
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-These APIs are not defined in the AAD Spec but were implemented in O-DU High to achieve UE attach.
-
1. DU APP - MAC Interface
A. DU APP to MAC
c. DL RRC Message Response - Informs DU APP if a DL RRC Message was successfuly processed at RLC and sent to MAC.
+3. DU APP - O1 Interface
+
+ a. DU sends alarms to O1 for cell up and cell down events using the alarm interface API
+