With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
c3gSmsCommonEntry
Cisco 3G Sms Common Entry
1.3.6.1.4.1.9.9.661.1.5.1.1.1
An entry contains counters for the SMS messages received, placed, errored and archived on CDMA, GSM based modems.
Back to CISCO-WAN-3G-MIB MIB page.
IPHost Network monitor allows you to monitor c3gSmsCommonEntry 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.