With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
serialModemHangUpString
serial Modem Hang Up String
1.3.6.1.2.1.16.19.10.1.5
A control string which specifies how to disconnect a modem connection on this serial interface. This object is only meaningful if the associated serialMode has the value of modem(2). A control string that is appropriate for a wide variety of modems is: '^d2^s+++^d2^sATH0^M^d2'.
Back to RMON2-MIB MIB page.
IPHost Network monitor allows you to monitor serialModemHangUpString 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.
