With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
mpanlDlciJvcCallingLcn
mpanl Dlci Jvc Calling Logical Channel Number
This attribute contains the calling LCN (logical channel number) of the interface. This number is assigned to the call request at the calling end. This attribute value is retrieved from the call packet.
Back to Nortel-Magellan-Passport-MpaNetworkLinkMIB MIB page.
IPHost Network monitor allows you to monitor mpanlDlciJvcCallingLcn 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 modems right now.