With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cdspMtpProfileMaxAvailHardSess
Cisco Digital Signal Processing Mtp Profile Max Avail Hard Session
1.3.6.1.4.1.9.9.86.1.6.4.1.4
This object indicates the total number of available MTP sessions per MTP profile from the configured maximum MTP sessions per MTP profile for the voice gateway.
Back to CISCO-DSP-MGMT-MIB MIB page.
IPHost Network monitor allows you to monitor cdspMtpProfileMaxAvailHardSess 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.