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1.9 Automatic Route Selection (ARS) Features
Feature Guide 113
1.9 Automatic Route Selection (ARS) Features
1.9.1 Automatic Route Selection (ARS)
Description
ARS automatically selects the carrier available at the time an outgoing trunk call is made
according to preprogrammed settings. The dialled number will be checked and modified to
connect the appropriate carrier.
[Carrier Selection Procedure Flowchart]
The numbers in the flowchart correspond to the [Programming Procedures] on the following
pages.
X
No
No (Normal Trunk Access)
No
No
Yes
Is the ARS mode ( ) enabled?
A trunk call is made.
Sends a
reorder tone.
Sends a
busy tone.
Checks the Routing Plan Table ( )
to determine which carrier to use.
Modifies the dialled number by
removing the digits ( ) and
following the modify commands ( ).
Sends the modified number
to the trunk.
Yes
No
Is the carrier ( ) found in the
appropriate time block ( )?
Yes
Is the dialled number found in the
Leading Number Exception Table ( )?
No
Yes
(default)
Yes
Is normal
Trunk Access
allowed?
Because all
trunks are busy?
1
Yes
Is the dialled number found in the
Leading Number Table ( )?
5
6
No
Is there an available
trunk group ( )?
Yes
11
12
9
2
4
3
Sends the
telephone number
by the Idle Line
Access.
Sends the telephone
number to the user-
selected carrier.