With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cdsmrRuleStatsRoutedCounts
Cisco Distributed Short Message Routing Rule Stats Routed Counts
1.3.6.1.4.1.9.9.1300.1.9.1.3
Count of the number of times this rule was matched and packet was routed using mechanism specified by result.
Back to CISCO-ITP-DSMR-MIB MIB page.
IPHost Network monitor allows you to monitor cdsmrRuleStatsRoutedCounts on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco mobile switches right now.