With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cdsmrRuleTable
Cisco Distributed Short Message Routing Rule Table
1.3.6.1.4.1.9.9.1300.1.8
A table that is used to specify attributes of an application-layer message to be matched and the resulting behavior for handling the message. Entries are added to this table via cdsmrRuleResultRowStatus in accordance with the RowStatus convention.
Back to CISCO-ITP-DSMR-MIB MIB page.
IPHost Network monitor allows you to monitor cdsmrRuleTable on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco multiplexers right now.