With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
ccmSystemVersion
Cisco Call Manager System Version
1.3.6.1.4.1.9.9.156.1.5.29
The installed version of the local call manager system.
Back to CISCO-CCM-MIB MIB page.
IPHost Network monitor allows you to monitor ccmSystemVersion on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco switches right now.