With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
csbHistoryStatsDtmfIw2833Calls
Cisco Session Border History Stats Dtmf Iw2833 Calls
1.3.6.1.4.1.9.9.657.1.4.1.39
This object indicates the number of active calls through this adjacency or account for which DTMF interworking is enabled between DTMF in signaling and DTMF in media via RFC 2833 during this interval.
Back to CISCO-SESS-BORDER-CTRLR-CALL-STATS-MIB MIB page.
IPHost Network monitor allows you to monitor csbHistoryStatsDtmfIw2833Calls on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco routers right now.