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1.9 Automatic Route Selection (ARS) Features
Feature Guide 73
[Flowchart]
Yes
No
No
The dialled number is sent to
the telephone company.
Yes
A long-distance
call is made.
No
Yes
Reorder tone
No
Yes
Yes
No
A
The dialled number (other than the First Carrier
Access code) is sent to the telephone company.
Yes
No
Yes
Reorder tone
No
Each time a digit is dialled, the PBX checks
the dialled number (other than Host PBX
Access codes, Carrier Exception codes, and
First Carrier Access code).
Does the leading
number match the Route 1–4
Exception Code?
Digits are removed
from the dialled
number as required.
Digits are added to
the dialled number
as required.
Is the dialled number an
Emergency Call number?
Is (another) one digit
dialled within the ARS
Inter-digit Time?
Is the dialled
number a TRS Denied Code?
Is the dialled number
a TRS Denied Code?
Does the dialled
number include the First Carrier
Access code?
Does the leading
number match the Route 1–4
Selection Code?
A
The dialled number is sent
to the telephone company.
Goes to
Yes
No
Are 7 digits
(other than Host PBX
Access codes, Carrier Exception
codes, and First Carrier Access
code) dialled?
Checks the Routing Plan Table (1–4)
to determine which carrier to use.
*2
*3
*4
The corresponding
Routing Plan Table
is selected.
*5
*6
*1