With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
ccmPhoneInetAddressType
Cisco Call Manager Phone Inet Address Type
1.3.6.1.4.1.9.9.156.1.2.1.1.14
This object identifies the IP address type of the phone.
Back to CISCO-CCM-MIB MIB page.
IPHost Network monitor allows you to monitor ccmPhoneInetAddressType 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.