With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
modVcsE164NatlMaxAddressLength
mod Vcs E164 Natl Max Address Length
This attribute indicates maximum length of e164 national address.
Back to Nortel-Magellan-Passport-SubnetInterfaceMIB MIB page.
IPHost Network monitor allows you to monitor modVcsE164NatlMaxAddressLength 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.