One short beep
*2
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
Nothing is dialed.
Ye s
The security
code is entered.
Is Intercept Routing employed?
The call is sent to
another extension.
Disconnect.
No
Ye s
Disconnect.
Answered.
Is Intercept Routing employed?
Disconnect.
No
Ye s
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
*3
*4
What is the security type?
Trunk or None
Disconnect.
All
*12
*5
The call reaches the destination.
Reorder tone
*6
*7
The destination
extension(s) is(are) busy.
*8
B
*13
*14
*11
*9
*10
Call Waiting
Goes to
Goes to
Disconnect
A
The call is sent to
another extension.
A
B
Answered.
The code is incorrect.
One short
beep