With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
ccmSIPDeviceEntry
Cisco Call Manager SIP Device Entry
1.3.6.1.4.1.9.9.156.1.14.1.1
An entry (conceptual row) in the SIP Device Table, containing the information about a particular SIP Trunk Device.
Back to CISCO-CCM-MIB MIB page.
IPHost Network monitor allows you to monitor ccmSIPDeviceEntry on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco optical switches right now.