With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
ccvpLicRtPortsInUse
Cisco Customer Voice Portal Lic Rt Ports In Use
1.3.6.1.4.1.9.9.590.1.2.2
The real-time ports in use object is a real-time snapshot metric indicating the number of port licenses currently in use on the call server. Exactly one port license is used per call, independent of the call's traversal of the individual call server subsystems.
Back to CISCO-CVP-MIB MIB page.
IPHost Network monitor allows you to monitor ccvpLicRtPortsInUse on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco optical switches right now.