With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
ccvpIvrAggMaxActiveCalls
Cisco Customer Voice Portal Ivr Aggregate Max Active Calls
1.3.6.1.4.1.9.9.590.1.6.3.1.14
The aggregate maximum active calls object is the maximum number of simultaneous calls processed by the IVR service at any given time since system startup. This object value represents a high water mark.
Back to CISCO-CVP-MIB MIB page.
IPHost Network monitor allows you to monitor ccvpIvrAggMaxActiveCalls 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.