With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
sigChanNisCircuitSwitchedK
sig Chan Nis Circuit Switched K
1.3.6.1.4.1.562.2.4.1.115.8.11.1.6
This attribute specifies the maximum number of sequentially numbered I frames (that is, window size (k)) that may be unacknowledged at any given time for a SAP supporting primary rate (64kbit/sec) signalling.
Back to Nortel-Magellan-Passport-VnetNisSigMIB MIB page.
IPHost Network monitor allows you to monitor sigChanNisCircuitSwitchedK 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.