With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
c3gModemUpNotifEnabled
Cisco 3G Modem Up Notification Enabled
1.3.6.1.4.1.9.9.661.1.1.1.20
This object is used to enable/disable the generation of modem up notification c3gModemUpNotif.
Back to CISCO-WAN-3G-MIB MIB page.
IPHost Network monitor allows you to monitor c3gModemUpNotifEnabled on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco firewalls right now.