Alarms and KPIs Guide Alarms and Events vSTP Alarms and Events (70000-70060, 70100-70999) 70453 - SMS Proxy GT address blocked 70453 - SMS Proxy GT address blocked Event Group vSTP Description Service SMSC Blocklist Severity Major Instance None HA Score Normal OID smsProxyBlocklist Recovery It is recommended to contact My Oracle Support for assistance, if needed.