1.1 General FeaturesFeature Manual 101• It is possible to specify which outside (CO) lines are connected to the PBX ( [400] CO LineConnection). This prevents extension users from trying to select or making calls using outside (CO)lines that are not connected.Programming Manual References[PT Programming][206] Dialing Start Time[400] CO Line Connection[405-407] Flexible Outward Dialing—Day/Night/Lunch[419] Automatic Designated Line Access[PC Programming]9.1.7 Timers [1-6]—CO Dialing—Dialing Start Time9.3.2 Incoming / Outgoing [3-2]—Outgoing Call—Day, Night, Lunch9.3.3 Detail [3-3]—Connection, Automatic Line AccessFeature Manual References1.1.61 Flexible Buttons1.1.76 Line Preference—OutgoingOperating Manual References1.3.53 Line Access, Automatic3.1.3 Flexible Button Assignment—S-CO, G-CO, or O-CO button1.1.73 Line Access, Outside (CO) Line GroupDescriptionAn extension user can select an idle outside (CO) line from the corresponding outside (CO) line group ([404] CO Line Group Number) by dialing the Outside (CO) Line Group Access number and an outside (CO)line group number, or by pressing a Group-CO (G-CO) button on a proprietary telephone (PT).Conditions• Line Access, Direct Outside (CO) LineIf a PT user is on-hook when pressing an idle CO button, the PT automatically enables hands-freeoperation mode. The user can dial without lifting the handset or pressing the SP-PHONE or MONITORbutton.• If Idle Line Preference ( 1.1.76 Line Preference—Outgoing) is set on the extension through personalprogramming, the user can access an idle line simply by going off-hook.• The PBX waits for a preprogrammed length of time ( [206] Dialing Start Time) after seizing an outside(CO) line before dialing.• Button AssignmentA flexible CO button can be customized as a G-CO. The same outside (CO) line group can be assignedto more than one G-CO button on the same PT.