With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
ciscoCallHistoryCallConnectionTime
cisco Call History Call Connection Time
1.3.6.1.4.1.9.9.27.1.1.3.1.9
The value of sysUpTime when the call was connected.
Back to CISCO-CALL-HISTORY-MIB MIB page.
IPHost Network monitor allows you to monitor ciscoCallHistoryCallConnectionTime on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco mobile switches right now.