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Features 3-47
3 Features D
Busy tone
An outside line call is made.
The caller reaches the DISA line.
Is a security
code required?
A number is dialed.
Make an outside call.
No
One short beep
Nothing is dialed.
The call is sent to
the fax extension.
Yes
The security
code is entered.
Is Intercept Routing employed?
The call is sent to
another extension.
Disconnect.
No
Yes
Disconnect.
Answered.
Is Intercept Routing employed?
Disconnect.
No
Yes
The call is not answered.
The call is not
answered.
The code is correct.
Disconnect.
What is the DISA
Busy Mode?
Answered.
The call is not
answered.
*1
*2
*3
*13
*14
CNG toneCyclic tone
or CPC signal
*4
What is the security type?
Trunk or None
Disconnect.
All
*15
*18
*5
The call reaches the destination.
Reorder tone
*6
*7
The destination
extension(s) is(are) busy.
*8
B
Answered.
The call is not
answered for
40 seconds.
*16
*17
*11
*9
*10
Call Waiting DISA2
*12
Disconnect.
Busy tone
Goes to
Goes to
Disconnect
Goes to
OGM
The other
OGM is heard.
A
The call is sent to
another extension.
A
B
C
C
Answered.
With optional
OGM/FAX Detection Card
Without optional
OGM/FAX Detection Card
(Internal DISA)
The code is incorrect.
One short
beep
Flow chart of possible cases and results for DISA calls