The optional Additional Information parameter, when present in an alarm notification, allows the inclusion of a set of additional information in an alarm notification.
This is consistent with the ITU-T X.733 definition.
Note: The same information can be directly encoded as separate parameters of the notification. However, this parameter is retained for consistency with ITU-T X.733.

Readable by NMS? Yes
Writeable by NMS? No
Invariant? Yes
