With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
ccmeWebGUITimeEnabled
Cisco Call Manager Express Web GUI Time Enabled
1.3.6.1.4.1.9.9.439.1.1.26
Indicates Cisco CallManager Express web-based Graphical User Interface (GUI) is allowed to change or set time on this device.
Back to CISCO-CCME-MIB MIB page.
IPHost Network monitor allows you to monitor ccmeWebGUITimeEnabled 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.