With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
c3gGsmNetworkSelectionMode
Cisco 3G Gsm Network Selection Mode
1.3.6.1.4.1.9.9.661.1.3.2.1.7
Network selection mode. Can be manual selection mode or automatic selection mode. Set to automatic by default.
Back to CISCO-WAN-3G-MIB MIB page.
IPHost Network monitor allows you to monitor c3gGsmNetworkSelectionMode on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco routers right now.