With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
ccmMediaDeviceName
Cisco Call Manager Media Device Name
1.3.6.1.4.1.9.9.156.1.6.1.1.2
This is the device name assigned to the Media Device. This name is assigned when a new device of this type is added to the CallManager.
Back to CISCO-CCM-MIB MIB page.
IPHost Network monitor allows you to monitor ccmMediaDeviceName 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.