Service desk portal
The ticketing portal at the support hostname. Every ticket carries a severity, a named owner and a state; the state is a fact about the ticket rather than a reassurance about it.
Use it for
Anything with a ticket number attached to it: defects, change requests, enrolment problems, profile questions.
Response obligation
S2 and below are worked against the queue. An S1 raised here is acknowledged, but the retainer contact path is the one that reaches somebody out of hours.