With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
appnRtpLocalTcid
appn Rtp Local Tcid
The Transport Connection Identifier (TCID) assigned to this HPR RTP pipe by the local node
Back to Nortel-Magellan-Passport-AppnMIB MIB page.
IPHost Network monitor allows you to monitor appnRtpLocalTcid 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 switches right now.