1.2 Receiving Group Features28 Feature Guide1.2.3 Direct Inward System Access (DISA) RingDescriptionA Direct Inward System Access (DISA) ring group is a specific extension group that receives DISA callsdirected to the group. All extensions in the DISA ring group assigned as an Automated Attendant (AA)destination ( DISA Built-in AA [501]) ring simultaneously.Delayed RingingEach extension can be programmed for Delayed Ringing ( Delayed Ringing—Day/Night/Lunch [411-413]), which allows extensions to be alerted to calls by flashing buttons only. Received calls can beanswered by pressing the flashing button even if the extension is not ringing.Conditions• To use this feature, "DISA" must be selected as the distribution method for the desired outside (CO) lineport ( CO Line Mode—Day/Night/Lunch [414-416]), and DISA AA service must be assigned as thedestination of incoming outside (CO) line calls via the DISA feature ( DISA Incoming Call Dial Mode[500]).• The Log-in or Log-out status can be set for each extension ( 1.2.4 Log-in/Log-out). The last memberof a group cannot log out.• The Delayed Ringing feature does not apply to DISA or Direct In Line (DIL) calls. If the destination is aDISA ring group, this feature will function.Feature Guide References1.15.6 Direct Inward System Access (DISA)2.2.2 GroupDelayed Ringing:Rings after aspecified time delay.Immediately ring simultaneously.Extn.AExtn.BExtn.CExtn.D
