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1.2 Receiving Group Features
26 Feature Guide
[Flowchart]
UCD Busy Mode
When all extensions in a UCD group are busy, a call will wait for a preprogrammed length of time ( UCD
Busy Waiting Time [521]). If this timer expires, the PBX will handle the call in one of the following ways
according to system programming ( UCD Busy Mode [523]):
a) Disconnect: The call is disconnected immediately.
b) Disconnect-OGM: The call is disconnected after a UCD outgoing message (OGM) plays (e.g.,
"We are still handling other calls. Please call back later.").
c) Intercept-Normal: The call is directed to preprogrammed destinations ( Flexible Ringing—Day/
Night/Lunch [408-410]).
d) Intercept-DISA: The call is directed to the DISA feature ( 1.15.6 Direct Inward System Access
(DISA)) and the caller hears a DISA OGM (e.g., "Thank you for calling Company A. Press 1 to
speak to Sales. Press 2 to speak to Support.").
A UCD call from an outside
party is received.
The call reaches the UCD group.
Music on Hold is sent to the caller.
Busy
UCD OGM
No
Did the UCD Busy
Waiting Time expire?
Is Intercept Routing
employed?
No
Yes
The call is
disconnected.
What is the
UCD Busy Mode ?
Disconnect-OGM Intercept-DISADisconnect
A UCD OGM is sent
to the caller.
The call is directed
to another extension.
Goes to
B
Rings (when an
extension is available)
Goes to
A
Busy Rings (when an extension is available)
A
B
The call is
established.
The call is not
answered.
Yes
Goes to
C
Goes to DISA
C
The call is
disconnected.
The call is
disconnected.
A DISA OGM is sent
to the caller.
The call is
disconnected.
The call is not
answered.
The call is
established.
Intercept-Normal
(UCD Ring Time before
Intercept expires)
(UCD Ring Time after
Intercept expires)