There are no T1 problems between the Cisco and Nortel devices (no slips, etc) but modem/fax connections are slow and unreliable. Voice works perfectly.
I have some modem passthru commands on the MGCP gateway to support ATA186s that I have in service for fax machines, (they work well) but I am wondering if I need any additional commands for the Nortel device?
Here is my MGCP config as it stands:
mgcp call-agent CALLMANAGER-1 2427 service-type mgcp version 0.1
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