With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cd11IfVoipExtensionsEnable
Cisco DOT11 Interfaces Voip Extensions Enable
1.3.6.1.4.1.9.9.272.1.1.1.1.1.9
This object enables the radio generate proprietary elements in its beacons and probe responses to support Voice-over-IP (VoIP) phones. The default value is 'true'.
Back to CISCO-DOT11-IF-MIB MIB page.
IPHost Network monitor allows you to monitor cd11IfVoipExtensionsEnable 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.