With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
ccmGatewayEntry
Cisco Call Manager Gateway Entry
1.3.6.1.4.1.9.9.156.1.3.1.1
An entry (conceptual row) in the gateway Table, one for each gateway device in the CUCM.
Back to CISCO-CCM-MIB MIB page.
IPHost Network monitor allows you to monitor ccmGatewayEntry 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.