With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
ccapAppInstHisIPInCallDiscUsrErr
Cisco Call Applications Application Instance History IP In Call Disconnected User Error
1.3.6.1.4.1.9.9.146.1.3.3.1.29
Total number of incoming IP call legs that disconnected with 'user error' cause code. User error cause code could be 'no answer/busy/timeout'.
Back to CISCO-CALL-APPLICATION-MIB MIB page.
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