With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
ciscoUnityEventEMSNotes
cisco Unity Event EMS Notes
1.3.6.1.4.1.9.9.385.1.3.9
The contents of the notes field as entered into the EMS for this monitored event.
Back to CISCO-UNITY-MIB MIB page.
IPHost Network monitor allows you to monitor ciscoUnityEventEMSNotes on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco switches right now.