With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
appnRtpLastRoundTripTime
appn Rtp Last Round Trip Time
This attribute gives the last round-trip time on this pipe.
Back to Nortel-Magellan-Passport-AppnMIB MIB page.
IPHost Network monitor allows you to monitor appnRtpLastRoundTripTime 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.