3-8 Features
A3 Features
Flow chart of possible cases and results for ARS calls
A
Yes
No
No
Are 7 digits (other than Host PBX
access codes, Carrier excepted codes
and 1st carrier access code) dialled?
The dialled number is sent
to the Local Exchange.
Is the dialled number an
emergency call number?
Yes
Start
Is the dialled number a
callbarring denied code?
No
Yes Reorder tone
Does the dialled number include
the 1st carrier access code?
No
Yes
Does the area code match a
Route 1 selection code?
Does the area code
match a Route 1
exception code?
Removing from
and adding to the
dialled number.
Route 1 is
selected.
Yes No
The dialled number is sent
to the Local Exchange.
A
Goes to
The dialled number (other than the 1st carrier
access code) is sent to the Local Exchange.
Yes
No
Does the area code match a
Route 2 selection code?
Does the area code
match a Route 2
exception code?
Removing from
and adding to the
dialled number.
Route 2 is
selected.
Yes No
Yes
No
Does the area code match a
Route 3 selection code?
Does the area code
match a Route 3
exception code?
Removing from
and adding to the
dialled number.
Route 3 is
selected.
Yes No
Yes
No
Does the area code match a
Route 4 selection code?
Does the area code
match a Route 4
exception code?
Removing from
and adding to the
dialled number.
Route 4 is
selected.
Yes No
Yes
No
*3
*4
*5
*9
*11
*13
*6
*10
*12
*14
*7 *8
*8
*8
*8
*7
*7
*7
*15
*1
Is (another) 1 digit dialled within
the ARS Interdigit Time?
Is the dialled number a
callbarring denied code? Yes Reorder tone
No
Yes
No
Each time a digit is dialled, the system checks the
dialled number (other than Host PBX access codes,
Carrier excepted codes and 1st carrier access code).
*2
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