With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
vmVoiceVlanExtGroup
vm Voice Vlan Ext Group
1.3.6.1.4.1.9.9.68.3.2.10
A collection of objects providing the information of CDP verification of Voice Vlan feature.
Back to CISCO-VLAN-MEMBERSHIP-MIB MIB page.
IPHost Network monitor allows you to monitor vmVoiceVlanExtGroup on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco routers right now.