With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cmNoDialTones
cm No Dial Tones
1.3.6.1.4.1.9.9.47.1.3.3.1.7
A counter that indicates the number of times the dial tone expected but not received. This object is valid only for modems which have cmManageable to be true.
Back to CISCO-MODEM-MGMT-MIB MIB page.
IPHost Network monitor allows you to monitor cmNoDialTones on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco wireless switches right now.
