With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cmmcaStartTime
Cisco Multi-Modal Contact Applications Start Time
1.3.6.1.4.1.9.9.664.1.1.4
The start time object is the date and time that the CUEA application was started on this server.
Back to CISCO-MMODAL-CONTACT-APPS-MIB MIB page.
IPHost Network monitor allows you to monitor cmmcaStartTime 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.