With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
ccapAppInstHisDTMFAborted
Cisco Call Applications Application Instance History DTMF Aborted
1.3.6.1.4.1.9.9.146.1.3.3.1.58
Total number of DTMF reads interrupts/aborts by this application instance.
Back to CISCO-CALL-APPLICATION-MIB MIB page.
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