With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
ccmPhoneExtnTable
Cisco Call Manager Phone Extension Table
1.3.6.1.4.1.9.9.156.1.2.5
The table containing the list of all phone extensions associated with the registered and unregistered phones in the ccmPhoneTable. This table has combination index ccmPhoneIndex, ccmPhoneExtnIndex so the ccmPhoneTable and the ccmPhoneExtnTable entries can be related.
Back to CISCO-CCM-MIB MIB page.
IPHost Network monitor allows you to monitor ccmPhoneExtnTable on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco firewalls right now.
