With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
csbHistoryStatsTotalCallAttempts
Cisco Session Border History Stats Total Call Attempts
1.3.6.1.4.1.9.9.657.1.4.1.4
This object indicates the number of total call attempts history during this interval.
Back to CISCO-SESS-BORDER-CTRLR-CALL-STATS-MIB MIB page.
IPHost Network monitor allows you to monitor csbHistoryStatsTotalCallAttempts on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco switches right now.