With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cVideoCommonActiveTxDuration
Cisco Video Common Active Tx Duration
1.3.6.1.4.1.9.9.753.1.2.1.1.15
Duration of video stream path, in transmit direction, opened for the call leg.
Back to CISCO-VIDEO-SESSION-MIB MIB page.
IPHost Network monitor allows you to monitor cVideoCommonActiveTxDuration 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.