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3
Features
Flow Chart of ARS procedures
Are the leading seven digits found in a
Leading Digit Table?
Yes
Obtains applicable Route Plan Table
number from the Leading Digit Table.
Determines the CO line group of the priority 1 in the
Route Plan Table by the present time of the day.
Is there any line available in the CO line group of the
priority 1?
Yes
Obtains applicable Modification
Table number for the CO line
group from the Route Plan Table.
Modifies the digits.
Is there any line available in the
CO line group of the priority 3?
Yes
A long distance call is made.
Is ARS Access Code (Default: 9) dialed?
Yes
Yes
Is there any line available in the
CO line group of the priority 2?
Is the CO line group of the priority
Calls.
3 assigned in Route Plan Table?
Yes
Toll Restriction Check
Not Restricted
No
Call is routed via an idle line.
Yes
No
No
Restricted
Call is not made.
No
Call is routed via selected line.
No
Is the CO line group of the priority
2 assigned in Route Plan Table?
No
No
Sends busy tone.
Features
A
3-11
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