With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
x25DtePeerPEncIndex
x25 Dte Peer P Enc Index
1.3.6.1.4.1.562.2.4.1.90.2.208.1.1
This variable represents the index for the x25DtePeerPEncTable.
Back to Nortel-Magellan-Passport-X25DteMIB MIB page.
IPHost Network monitor allows you to monitor x25DtePeerPEncIndex 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.