With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
appnDlciVcCallingNpi
appn Dlci Vc Calling Npi
This attribute displays the Numbering Plan Indicator (NPI) of the calling end.
Back to Nortel-Magellan-Passport-AppnMIB MIB page.
IPHost Network monitor allows you to monitor appnDlciVcCallingNpi 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.