With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
ccmeEphoneTrapReason
Cisco Call Manager Express Ephone Trap Reason
1.3.6.1.4.1.9.9.439.1.1.52
The internally-defined failure cause of the particular alarm condition, associated with the most recent Ephone trap.
Back to CISCO-CCME-MIB MIB page.
IPHost Network monitor allows you to monitor ccmeEphoneTrapReason 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.