With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
mpanlDlciJvcCalledAddress
mpanl Dlci Jvc Called Address
This attribute contains the called DataNetworkAddress of the interface. It includes the DNIC (first 4 digits) for X.121, and the CC (Country Code) for the E.164 address of the called end. The maximum length of this attribute is 15 digits. This attribute value is retrieved from the Raccept packet.
Back to Nortel-Magellan-Passport-MpaNetworkLinkMIB MIB page.
IPHost Network monitor allows you to monitor mpanlDlciJvcCalledAddress 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.