With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
ccmeIntercomDnConfEntry
Cisco Call Manager Express Intercom Dn Configuration Entry
1.3.6.1.4.1.9.9.439.1.1.62.1
Information about a intercom DN configured on this device. There is an entry created for each intercom DN configured on this device. An entry is deleted if the intercom DN is removed from this device configuration.
Back to CISCO-CCME-MIB MIB page.
IPHost Network monitor allows you to monitor ccmeIntercomDnConfEntry on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco multiplexers right now.