With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
ccvpJvmRtMaxMemAvail
Cisco Customer Voice Portal Jvm Rt Max Memory Available
1.3.6.1.4.1.9.9.590.1.4.3
The real-time maximum memory available object is a real-time snapshot metric indicating the amount of memory available to the Java virtual machine. The object value is expresses as a count of bytes and indicates the amount of system memory available for use by the JVM.
Back to CISCO-CVP-MIB MIB page.
IPHost Network monitor allows you to monitor ccvpJvmRtMaxMemAvail 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.