With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
ccmGatewayInetAddressType
Cisco Call Manager Gateway Inet Address Type
1.3.6.1.4.1.9.9.156.1.3.1.1.7
This object identifies the IP address type of the Gateway device. The value of this object is 'unknown(0)' if the IP address of a Gateway device is not available.
Back to CISCO-CCM-MIB MIB page.
IPHost Network monitor allows you to monitor ccmGatewayInetAddressType on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco wireless switches right now.