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1.2 Receiving Group Features
28 Feature Guide
1.2.3 Direct Inward System Access (DISA) Ring
Description
A Direct Inward System Access (DISA) ring group is a specific extension group that receives DISA calls
directed 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 Ringing
Each 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 be
answered 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) line
port ( CO Line Mode—Day/Night/Lunch [414-416]), and DISA AA service must be assigned as the
destination 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 member
of a group cannot log out.
• The Delayed Ringing feature does not apply to DISA or Direct In Line (DIL) calls. If the destination is a
DISA ring group, this feature will function.
Feature Guide References
1.15.6 Direct Inward System Access (DISA)
2.2.2 Group
Delayed Ringing:
Rings after a
specified time delay.
Immediately ring simultaneously.
Extn.
A
Extn.
B
Extn.
C
Extn.
D