With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cCallHistorySetupTime
Cisco Call History Setup Time
1.3.6.1.4.1.9.10.25.1.4.3.1.2
The value of sysUpTime when the call setup was started. This will be useful for an NMS to sort the call history entry with call setup time. Also, this object can be useful in finding large delays between the time the call was started and the time the call was connected. For ISDN media, this will be the time when the setup message was received from or sent to the network. The value of this object is the same as callActiveSetupTime in the callActiveTable
Back to CISCO-DIAL-CONTROL-MIB MIB page.
IPHost Network monitor allows you to monitor cCallHistorySetupTime on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco multiplexers right now.