When reporting specific Lithium SMSC issues, please make sure to provide us as a minimum the items listed below. Each item is described in our article: Required Information When Reporting Issue to Lithium Support

Specific subscriber complaints: provide items 1, 2, and 3.
Signaling-related problems: provide items 1, 2, and 7.
MGR-related problems: provide items 1, 11, 12, and 13.
Database-related problems: provide items 1, 15, and 16.
Performance or disk issues: provide items 1, 2, 8, 9, and 19.
SMSC process restart: provide items 1, 2, and 6.
Application connection problems: provide items 1, 2, 7, and 17.
STV-related problems: provide items 1, 20 (with stv as process_name), and 21.