With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
modVcsE164IntlMaxAddressLength
mod Vcs E164 Intl Max Address Length
This attribute indicates maximum length of e164 international address.
Back to Nortel-Magellan-Passport-SubnetInterfaceMIB MIB page.
IPHost Network monitor allows you to monitor modVcsE164IntlMaxAddressLength 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.