With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
appnPortType
appn Port Type
This attribute specifies the type of line used by the port. The possible values are: nonSwitched - switched - sharedAccessFacilities -
Back to Nortel-Magellan-Passport-AppnMIB MIB page.
IPHost Network monitor allows you to monitor appnPortType 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.