With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
ccmeEMUserProfileTag
Cisco Call Manager Express EM User Profile Tag
1.3.6.1.4.1.9.9.439.1.1.43.1.19
This object indicates the user profile tag for this Cisco Extension Mobility IP phone. Zero value indicates no user logs into this phone.
Back to CISCO-CCME-MIB MIB page.
IPHost Network monitor allows you to monitor ccmeEMUserProfileTag 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.