With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
ciscoCallHistoryTransmitPackets
cisco Call History Transmit Packets
1.3.6.1.4.1.9.9.27.1.1.3.1.14
Number of packets transmitted when this call was up.
Back to CISCO-CALL-HISTORY-MIB MIB page.
IPHost Network monitor allows you to monitor ciscoCallHistoryTransmitPackets 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.