With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cpmTTYNumber
cpm TTY Number
1.3.6.1.4.1.9.10.19.1.4.3.1.15
The TTY number associated with this call. This information comes from the IOS 'show line' command.
Back to CISCO-POP-MGMT-MIB MIB page.
IPHost Network monitor allows you to monitor cpmTTYNumber 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.