With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cmLineInfoGroup
cm Line Info Group
1.3.6.1.4.1.9.9.47.3.2.3
A collection of objects providing modem configuration and statistics information for individual modem.
Back to CISCO-MODEM-MGMT-MIB MIB page.
IPHost Network monitor allows you to monitor cmLineInfoGroup on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco mobile switches right now.