With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
csbQOSMajorAlertCount
Cisco Session Border QOS Major Alert Count
1.3.6.1.4.1.9.9.658.1.70
This object represents number the of times the QOS object, has entered major level.
Back to CISCO-SESS-BORDER-CTRLR-EVENT-MIB MIB page.
IPHost Network monitor allows you to monitor csbQOSMajorAlertCount on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco routers right now.