With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
ccmMediaDeviceStatus
Cisco Call Manager Media Device Status
1.3.6.1.4.1.9.9.156.1.6.1.1.5
The status of the Media Device. The status changes from unknown to registered when it registers itself with the local CUCM.
Back to CISCO-CCM-MIB MIB page.
IPHost Network monitor allows you to monitor ccmMediaDeviceStatus on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco wireless switches right now.