With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
vctDnaOutReverseCharge
VC Tester Dna Out Reverse Charge
1.3.6.1.4.1.562.2.4.1.5130.2.11.1.3
This attribute, if set to a value of allowed indicates that outgoing reverse charged calls (from the DTE to the network) can be made using this particular Dna. If set to a value of disallowed, then such calls cannot be made using this Dna - such calls will be cleared by the local DCE. This attribute is ignored if the corresponding attribute, outCalls is set to a value of disallowed.
Back to Nortel-Magellan-Passport-VcTesterMIB MIB page.
IPHost Network monitor allows you to monitor vctDnaOutReverseCharge 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 multiplexers right now.