The PBX automatically selects the least expensive route (carrier) available at the time a long-distance call is made on an outside (CO) line that has Automatic Route Selection (ARS) enabled. In order to use ARS effectively, various ARS-related tables must be preprogrammed to tell the PBX which calls should be placed using which carriers.

[Flowchart]

[Programming Procedures]

1. ARS Mode ( ARS Selection [350])
Turn on ARS for each outside (CO) line.

2. First Carrier Access Code*¹
Enter the carrier's access code, such as the Host PBX Access code ( Host PBX Access Code [403]), Carrier Exception code ( Carrier Exception Code [300]), or First Carrier Access code ( 1st Carrier Selection Code [359]). For example, if the dialled number is "000-93-425-9477" and the First Carrier Access code is assigned as "000", the modified number is "93-425-9477". Consult your carrier for more information.

3. Routing Plan Table

Leading Number*² (

Route 1-4 Selection Code [351-354])
Store the leading numbers of telephone numbers that should be routed by ARS.

Leading Number Exception*³ (

Route 1-4 Exception Code [355-358])
Store the telephone numbers that will bypass ARS here.
Note that the Outside (CO) Line Access number is always ignored by ARS and does not need to be programmed here.
Calls that are exempt from ARS are connected via the default carrier for that line.

Removed Number of Digits*⁴ (

ARS Modification—Removed Digits [360])
There may be circumstances where the user-dialled number must be modified in order for the carrier to connect the call. In this case, store the number of digits to be removed automatically from the beginning of the dialled number here.

Added Number*⁵ (

ARS Modification—Added Number [361])
Store the number to be added automatically to the beginning of the dialled number here.

ARS Outside (CO) Line Group*⁶ (

ARS CO Line Group [364])
When making outside (CO) line calls using the Automatic Line Access number (9/0)^*, assign the outside (CO) line group(s) for each Routing Plan number here.
An outside (CO) line belonging to the assigned outside (CO) line group(s) is automatically seized when making calls using the Automatic Line Access number, and the dialled number is applied to one of the Routing Plan numbers.

Note
	^* For New Zealand, the Automatic Line Access number may be either 1 or 9.

[Programming Example: Routing Plan Table]

Routing Plan No.

Leading No.*¹

Leading No. Exception*²

Modification

ARS Outside (CO) Line Group*⁵

Removed No. of Digits*³

Added No.*⁴

4,5

050

All

9,0

050

Not Stored

05000

Not Stored

*¹

Route 1-4 Selection Code [351-354]

*²

Route 1-4 Exception Code [355-358]

*³

ARS Modification—Removed Digits [360]

*⁴

ARS Modification—Added Number [361]

*⁵

ARS CO Line Group [364]

In this example:

Dialled Number

Modified Number

Description

9-43-425-9477

050-43-425-9477

A long-distance call is made using Routing Plan 1 when the Automatic Line Access number is assigned to "9".

9-54-123-4567

050-54-123-4567

A long-distance call is made using Routing Plan 1 when the Automatic Line Access number is assigned to "9".

9-93-425-9477

050-93-425-9477

A long-distance call via outside (CO) line group 1 is made using Routing Plan 2.

9-04-123-4567

050-04-123-4567

A long-distance call via outside (CO) line group 1 is made using Routing Plan 2.

9-07-81-92-477-1450

050-00-81-92-477-1450

An international call via outside (CO) line group 1 is made using Routing Plan 3.

9-6-123456

6-123456

A mobile telephone call via outside (CO) line group 2 is made using Routing Plan 4.

4. Authorisation Code & Itemised Billing Code Table

Authorisation Code (

Route 1-4 Authorisation Code [381-384])
An Authorisation code for each carrier can be assigned for each outside (CO) line, if required by the carrier. The registered codes are not shown on proprietary telephone (PT) displays or System Data Dump printouts (

System Data Dump [804]) after programming, but "Already Set" will be shown instead.

Itemised Billing Code (

Itemised Billing Code [389])
An Itemised Billing code can be assigned for each extension. It is possible to add the Itemised Billing code assigned to an extension to the Authorisation code for the carrier for each outside (CO) line through system programming (

Route 1-4 Itemised Billing [385-388]).

Sequence of Transmitted Code (

Authorisation and Itemised Billing Code Order [390])
The sequence of transmitted codes (C: Carrier Access Code; A: Authorisation Code; I: Itemised Billing Code; H: Telephone Number) can be selected. When "C.I.A.H" is selected, the dialled numbers of Itemised Billing Code (I) and Authorisation Code (A) are shown on the displays of PTs and SMDR (

1.20.1 Station Message Detail Recording (SMDR)).

[Programming Example: Authorisation & Itemised Billing Code Table]

Routing Plan No.

Leading No.

Modification

Authorisation Code*¹

Itemised Billing*²

Removed No. of Digits

Added No.

11223344

0123456789 (on CO 1/2)

Enable (on CO 1/2)
(Itemised Billing Code: Extn. 101)

11223344PPPP

#012345
(PPPP: 6 s,

#: Pulse to Tone Conversion (

1.5.2.4 Dial Type Selection))

67890123456789 (on CO 1)

Enable (on CO 1)
(Itemised Billing Code: Extn. 101)

*¹

Route 1-4 Authorisation Code [381-384]

*²

Route 1-4 Itemised Billing [385-388]

In this example:

Dialled Number

Modified Number

Description

9-893-425-9477
(Extn. 101)

Pulse*¹ (

Dial Mode [401])

P (Pause)*² (

Pause Time [417])

A call via provider access is made using Routing Plan 1 when the Automatic Line Access number is assigned to "9".
The Authorisation code and the Itemised Billing code are transmitted in tone mode.
The pause time is automatically inserted before entering the Authorisation code.

9-593-425-9477
(Extn. 101)

A call via provider access is made using Routing Plan 2 when the Automatic Line Access number is assigned to "9".

WARNING

The software contained in the ARS feature to allow user access to the network must be upgraded to recognise newly established network area codes and exchange codes as they are placed into service.
Failure to upgrade the on-premise PBXs or peripheral equipment to recognise the new codes as they are established will restrict the customer and users of the PBX from gaining access to the network and to these codes.
KEEP THE SOFTWARE UP TO DATE WITH THE LATEST DATA.

•	ARS Inter-digit Time The inter-digit time used while the PBX is checking the dialled number for the ARS feature can be specified through system programming ( ARS Inter-digit Time [363]).
•	TRS TRS checks are performed before ARS number modification, so programme TRS Denied Code Tables and Exception Code Tables accordingly ( 1.8.1 Toll Restriction (TRS)).
•	If an extension user makes calls using the Automatic Line Access number, and the leading number of a dialled telephone number does not match any entries found in the Leading Number, an outside (CO) line enabled in Automatic Designated Line Access [419] is automatically seized.

•	The PBX checks the number repeatedly until 7 digits have been dialled.
•	If an extension user makes an outside (CO) line call by directly pressing a Single-CO (S-CO), Group-CO (G-CO), or Other-CO (O-CO) button or by dialling an assigned Outside (CO) Line Group Access number, and the seized outside (CO) line has been enabled in ARS Selection [350], the call is made with the ARS feature.