With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cpwCTDMTable
Cisco Pseudo Wire CTDM Table
1.3.6.1.4.1.9.10.131.1.1
This table contains basic information including ifIndex, and pointers to entries in the relevant TDM config tables for this TDM PW.
Back to CISCO-IETF-PW-TDM-MIB MIB page.
IPHost Network monitor allows you to monitor cpwCTDMTable 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.