With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cpmActiveEntryChannel
cpm Active Entry Channel
1.3.6.1.4.1.9.10.19.1.3.1.1.11
The channel within the DS1 that is allocated to the call.
Back to CISCO-POP-MGMT-MIB MIB page.
IPHost Network monitor allows you to monitor cpmActiveEntryChannel 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.