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Features 3-25
3 Features
D
Busy tone
An exchange line call is made.
The caller reaches the DISA line.
A number is dialled.
One short beep
Nothing is dialled.
The call is sent to
the fax extension.
Is Intercept Routing employed?
The call is sent to
another extension.
No
Yes
Disconnect.
Answered.
Is Intercept Routing employed?
Disconnect.
No
Yes
The call is not answered.
The call is not
answered.
What is the DISA
Busy Mode?
Answered.
The call is not
answered.
*1
*2
*3
*11
*12
FAX (CNG) tone
Cyclic tone,
CPC signal
*4
Disconnect
*13
*16
The call reaches the destination.
*5
The destination
extension(s) is(are) busy.
*6
B
Answered.
The call is not
answered for
40 seconds.
*14
*15
*9
*7
*8
Call Waiting
DISA2
*10
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.
Without optional
OGM/FAX Detection Card
(Internal DISA)
Disconnect.
With optional
OGM/FAX Detection Card
Flow chart of possible cases and results for DISA calls
Note: The explanation for *1 through *16 is on the next page.
PSQX1708ZA-04E.QX 99.10.15 10:31 AM Page 25