With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
c3gSmsServiceAvailable
Cisco 3G Sms Service Available
1.3.6.1.4.1.9.9.661.1.5.1.1.1.1
This object indicates the availability of SMS Service.
Back to CISCO-WAN-3G-MIB MIB page.
IPHost Network monitor allows you to monitor c3gSmsServiceAvailable 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.