With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
ccapAppGblHisDTMFNoInput
Cisco Call Applications Application Global History DTMF No Input
1.3.6.1.4.1.9.9.146.1.5.59
Total number of user input timeout on DTMF input seen by this gateway.
Back to CISCO-CALL-APPLICATION-MIB MIB page.
IPHost Network monitor allows you to monitor ccapAppGblHisDTMFNoInput 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.