1.15 Optional Device Features
Feature Guide 121
Is the correct
PIN entered?
No
Yes
Is the extension
busy (Call Waiting
mode on) and is
not in DND mode?
Yes
No
The call waits
to be received.
The extension
becomes idle.
Yes
No
A
No
Yes
The call is established.
The call is routed to the
intercept destination.
(DISA Intercept Routing
No Answer)
Does the destination
answer the call?
Does the
destination
answer
the call?
No
Yes
The call is established.
The call is disconnected.
E
E
OGM
Intercept Routing
Busy Tone
What method is assigned
for DISA Intercept
Routing Busy/DND?
The call is disconnected.
No
A
The call is routed to
the intercept destination.
(Intercept Routing Busy/DND)
The message for
the busy/DND mode
is sent to the caller.
Yes
F
E
* Feature numbers are available only when the Walking COS feature is used.
Does the caller
press while hearing a busy
tone (Call Retry)?
Does the caller press
while hearing the reorder
tone (Call Retry)?
Does the caller press
while hearing a ringback
tone (Call Retry)?
Is the extension idle?
Is the Walking COS/Verified
Code Entry feature number dialed?
Yes
No
No
NoneNoneNoneNone All SecurityCO Line Security
Yes
Is the dialed number
an extension number or
floating extension number?
Yes
No
Extension No./
Floating
Extension No.
What is the dialed number?
Feature No.*
(Absent Message,
FWD, etc.)
The feature is set.
CO Line Access No.
+ Telephone No.
Other
The dialed number is sent to the CO line.
Reorder tone
Yes
No
A
B
B
C
C
D
D
No Security
The call is disconnected.
Continued from previous page
The call is directed to the extension.
The caller hears a ringback tone.
(DISA Disconnect
Time after
Intercept expires)
(DISA Reorder
Tone time
expires)
(Busy Tone /
DND Tone
Continuation
time expires)
(DISA Intercept
time expires)
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