With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cgrtOrigTable
Cisco IP Transfer Point GRT Orig Table
1.3.6.1.4.1.9.9.334.1.2.5
The origination table provides information on the incoming MTP packets from a particular origination point code.
Back to CISCO-ITP-GRT-MIB MIB page.
IPHost Network monitor allows you to monitor cgrtOrigTable 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.