I have many locations, and many trunks in every location.
I want all outgoing calls from NY Sales to go out the NY Sales PRI
and I want all outbound calls from NY Customer Service to go out the NY Customer Service trunk
and I want all outgoing calls from LA Sales to go out the LA Sales PRI
and I want all outbound calls from LA Customer Service to go out the LA Customer Service trunk
And I want overflow from NY Sales to go out to LA Sales
etc
etc
etc
Having a COR with a "TOD Chart" of 1 for sales and 2 for service means in ARS when some string hits p1 and p1 has entry 101 for PGN1 and 201 for PGN2 that i can have different routes for different classes, groups, or categories of users within a single location.