With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
modVcsE164LocalMinAddressLength
mod Vcs E164 Local Min Address Length
This attribute indicates minimum length of e164 local address.
Back to Nortel-Magellan-Passport-SubnetInterfaceMIB MIB page.
IPHost Network monitor allows you to monitor modVcsE164LocalMinAddressLength 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.