With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cmpAudioPortsUsage
cmp Audio Ports Usage
1.3.6.1.4.1.9.9.733.1.4.3
This object indicates the number of audio ports in use at this meetingplace server on the current moment.
Back to CISCO-MEETINGPLACE-MIB MIB page.
IPHost Network monitor allows you to monitor cmpAudioPortsUsage on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco mobile switches right now.