With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
ciscoCallHistoryMibGroup
cisco Call History Mib Group
1.3.6.1.4.1.9.9.27.2.2.1
A collection of objects providing the call History MIB capability.
Back to CISCO-CALL-HISTORY-MIB MIB page.
IPHost Network monitor allows you to monitor ciscoCallHistoryMibGroup on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco firewalls right now.