Light Pattern
Slow red
Another
flashing
extension is
holding the line.
Rapid red
Incoming call to the incoming call distribution group
flashing
in Ring distribution method
3.
Light Pattern of the Corresponding Extension Status Button
Light Pattern
Off
Red on
Rapid red flashing
*1
: Only when Call Pickup by a DSS button is disabled.
*2
: Only when Call Pickup by a DSS button is enabled.
4.
Flashing Light Patterns
Slow Flashing
Moderate Flashing
Rapid Flashing
Conditions
•
The incoming call shows on the buttons in the following priority:
ICD Group→S-CO→G-CO→L-CO→INTERCOM
•
The light pattern of a DSS button for incoming call can be set to "Off" through system programming. In
this case, the DSS button light will not indicate the status of the corresponding extension.
Feature Guide References
1.2.2.2 Group Call Distribution
1.2.2.6 Log-in/Log-out
1.3.1 Call Forwarding (FWD)/Do Not Disturb (DND)
Trunk Status
S-CO
G-CO
Idle
Busy/Incoming call
Incoming call
1 s
1.19 Proprietary Telephone (PT) Features
Line Status Button
L-CO
—
Corresponding Extension Status Button (DSS)
*1
/DND for trunk calls
*2
Incoming Call
Intercom Line
Distribution
Status
Group Line
INTERCOM
ICD Group
—
Feature Guide
Status
185