1.1 General Features100 Feature Manual• 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[404] CO Line Group Number[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, CO Line Group, Automatic Line AccessFeature Manual References1.1.61 Flexible Buttons1.1.70 LED Indication1.1.76 Line Preference—OutgoingOperating Manual References1.3.52 Line Access, Outside (CO) Line—SUMMARY3.1.3 Flexible Button Assignment—S-CO, G-CO, or O-CO button1.1.72 Line Access, AutomaticDescriptionAn extension user can select an idle outside (CO) line automatically from the assigned outside (CO) lines( [419] Automatic Designated Line Access) by dialing the Automatic Line Access number.Line Access Using the Other-CO (O-CO) ButtonTo select an idle outside (CO) line from among the outside (CO) lines that are not assigned to S-CO or G-CO buttons, the proprietary telephone (PT) user can press the O-CO button.Conditions• 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.• System programming determines the extension users that can make outside (CO) line calls in eachtime service mode ( [405-407] Flexible Outward Dialing—Day/Night/Lunch).