mdmStatsRingNoAnswers
Modem Statistics Ring No Answers
1.3.6.1.2.1.38.1.12.1.1
The number of events in which ringing was detected but the call was not answered.
Back to rfc1696 MIB page.
IPHost Network monitor uses SNMP for monitoring health and availability of devices and applications in your network. You can send a SNMP Set to any remote device to monitor a specific SNMP object (CPU, Memory, Disk, Server Temperature, RAID failures, IO statistics, connection counts, error and much more).