With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
ipivcDnaIncNormalPriorityReverseCharge
ipivc Dna Inc Normal Priority Reverse Charge
This attribute, if set to a value of allowed indicates that incoming normal priority, reverse charged calls (from the network to the DTE) can be made to this DNA. If set to a value of disallowed, then such calls cannot be made to this DNA - such calls will be cleared by the local DCE. This attribute, together with the incHighPriorityReverseChargeCalls attribute corresponds to the CCITT 'Reverse Charging Acceptance' feature for DNAs in that reverse charged calls are accepted if both attributes are set to a value of allowed. This attribute is ignored if the corresponding attribute, incCalls is set to a value of disallowed.
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IPHost Network monitor allows you to monitor ipivcDnaIncNormalPriorityReverseCharge 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.