With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
modVcsCallRetryTimer
mod Vcs Call Retry Timer
This attribute specifies, for Vc implementing Direct Calls with the auto-call retry feature (including PVCs), the Vc callRetryTimer in units of 1 second ticks. This timer specifies how long the Vc will wait between unsuccessful call attempts.
Back to Nortel-Magellan-Passport-SubnetInterfaceMIB MIB page.
IPHost Network monitor allows you to monitor modVcsCallRetryTimer 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 multiplexers right now.