With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
c3gCurrent1xRttChannelNumber
Cisco 3G Current1x Round Trip Time Channel Number
1.3.6.1.4.1.9.9.661.1.2.6.1.1.3
Current 1xRTT channel number. Current channel number to which the modem is attached to the base station. Value of '-1' indicates 'No Service'.
Back to CISCO-WAN-3G-MIB MIB page.
IPHost Network monitor allows you to monitor c3gCurrent1xRttChannelNumber 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.