With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cProxyCallHistoryRxT120Bytes
Cisco Proxy Call History Rx T120 Bytes
1.3.6.1.4.1.9.10.57.1.2.1.1.24
The number of T120 data bytes received from the remote end for this call.
Back to CISCO-PROXY-CONTROL-MIB MIB page.
IPHost Network monitor allows you to monitor cProxyCallHistoryRxT120Bytes 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.