With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
voicePortModuleIndex
voice Port Module Index
1.3.6.1.4.1.9.5.1.26.2.1.1
module where this port is located.
Back to CISCO-STACK-MIB MIB page.
IPHost Network monitor allows you to monitor voicePortModuleIndex on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco switches right now.