With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cH324CallActiveGroup
Cisco Dial Control H324 Call Active Group
1.3.6.1.4.1.9.9.621.2.1.2.2
This collection of objects provide the information about the H.324 active calls.
Back to CISCO-H324-DIAL-CONTROL-MIB MIB page.
IPHost Network monitor allows you to monitor cH324CallActiveGroup 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.