I'm running 7.2 which SHOULD have the option to enable extension routing in day/night mode, but there IS no checkbox to do that in the Modify Extensions pages. The 7.2 admin guide says this is possible.

7.0.1.1 software Can't find documentation anywhere on the difference between NO RING and SILENT for a Call Monitor PFK. ANY SUGGESTIONS FOR THE FOLLOWING: Office manager wants to 'cover' outside lines when receptionist is gone. these lines (a DID) ring to an extension that rings a call monitor with ...