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1.2 Receiving Group Features
Feature Guide 47
2. Call Waiting for Incoming Call Distribution Group (Group Call Waiting)
When there are no available extensions in an incoming call distribution group, the group
members can receive the Call Waiting tone. To use this feature:
• Select the Group Call Waiting mode through system programming. This determines
the distribution method for waiting calls.
• Member extensions must assign the Call Waiting mode individually, or they will not be
notified. ( 1.1.3.3 Call Waiting)
[How the Group Call Waiting Feature Activates]
[Example]
[ICD Group Button for Group Call Waiting]
The way that the Group Call Waiting feature works depends on the Group Call Waiting
Distribution method as follows:
a) Ring: The Group Call Waiting feature activates for all busy member extensions
(even when the extensions do not have ICD Group buttons) simultaneously for
only one incoming call — additional calls will wait in a queue.
b) UCD/Priority Hunting: The Group Call Waiting feature activates on an idle ICD
Group button located on busy member extensions in a certain order. (This order
depends on the type: UCD or Priority Hunting.) Calls will arrive at idle buttons
until all ICD Group buttons are occupied — additional calls will wait in a queue.
Note
In the method b), if an extension has one or more ICD Group buttons for an
incoming call distribution group and all the ICD Group buttons on the extension
are occupied, the Group Call Waiting feature for the group will not work at the
extension.
*: Incoming calls enter the queue immediately. Member extensions do not receive the
Call Waiting tone.
Group Call
Waiting Mode
Distribution
All
Group Call
Distribution Method
UCD
Priority Hunting
Ring
UCD/Priority Hunting/
Ring
Programming Conditions
Capable
Telephone
PT/PS with idle
ICD Group button
Any telephone
Group Call Waiting
Distribution Method
UCD
Priority Hunting
Not available*
Ring
Result
Group Call Waiting mode: All
Group call distribution method
for idle extensions: UCD
All extensions hear the Call
Waiting tone (Ring).
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