With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cmRingNoAnswers
cm Ring No Answers
1.3.6.1.4.1.9.9.47.1.3.3.1.1
A counter to count the calls that ringing was detected but the call was not answered at this modem.
Back to CISCO-MODEM-MGMT-MIB MIB page.
IPHost Network monitor allows you to monitor cmRingNoAnswers on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco multiplexers right now.
