With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
vncsVpVoiceRatesEncodingIndex
vncs Vp Voice Rates Encoding Index
1.3.6.1.4.1.562.2.4.1.44.3.322.1.1
This variable represents the next to last index for the vncsVpVoiceRatesTable.
Back to Nortel-Magellan-Passport-VncsCallServerMIB MIB page.
IPHost Network monitor allows you to monitor vncsVpVoiceRatesEncodingIndex 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.