With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
dataSigChanCcCgIndex
data Sig Chan Cc Cg Index
This variable represents the index for the dataSigChanCcCg tables.
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IPHost Network monitor allows you to monitor dataSigChanCcCgIndex on Allied Telesis device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Nortel speech servers right now.