With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
dataSigChanCcInInvalidScreen
data Sig Chan Cc In Invalid Screen
This attribute counts the number of valid incoming calls rejected due to a screening indicator value not provisioned in the channel group's screeningIndicator attribute. This counter wraps to zero after reaching its maximum value.
Back to Nortel-Magellan-Passport-DataIsdnMIB MIB page.
IPHost Network monitor allows you to monitor dataSigChanCcInInvalidScreen 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.
