Comdial FX Series Especificaciones descargar pdf (Pagina 68)

Automatic Route Selection

Automatic Route Selection (ARS) allows the system to automatically select the least costly line

group available to a station to route a call. The system modifies the dialed number, if needed, to

match the selected line group. Additionally, ARS provides the costing information for the dialed call

that is reported by the station message detail accounting feature. ARS makes routing decisions

(which lines to route a call over, if and how to modify a number, and costing information) based

entirely upon the programming of the system.

When the ARS feature is active, the user selects ARS by dialing 9. Because direct line selection by

the user bypasses the ARS route selection feature, the installer normally does not give stations direct

line appearance when ARS is part of the system operation.

The ARS feature can operate with the toll restriction feature or independently from it; however, both

features use the same entry table for programming. The installer enables or disables automatic route

selection on a system-wide basis. A defaulted system has ARS disabled.

The installer must program a number and the proper routing information before the system can

perform ARS on that number when it is dialed. The installer generally arranges routing from the

least costly routing method to the most costly routing method. The cost of the route is determined by

the line group over which the call is routed.

If a station does not have access, because of programmed restrictions, to a route that the ARS selects

for it, the system denies the dialing and causes an error tone to sound at the station. If the station

does have access, ARS routes calls from that station based on the routing information. If the call can

not be made on the line group first selected by the routing, ARS will try the next route. Once again

the route access is tested. This process is repeated, up to a maximum of six times. Each route is

programmed from least to most costly. The more costly the route, the higher the access level needed

to access it and the greater the chance that the station will be denied access. If ARS selects a more

costly route because the least costly one is busy, a station user receives a warning tone when a call is

attempted. Since this tone indicates that a more expensive line group was chosen by the system, the

station user should hang up and try again later. This warning tone feature is enabled through

programming.

Before automatic route selection can operate efficiently in a cost saving manner, the installer must

group similar lines together into line groups.

Each route in every route table contains costing information. The costing information includes two

programmable tiers of costing and a programmable surcharge amount. Even if a call is not routed

through ARS, (if the station user selects the line), the system still accesses this costing information to

cost the call.

The installer can arrange the automatic route selection feature so that it modifies the dialed number

by adding or deleting digits until the number better fits the dialing needs of the selected route. Doing

this results in situations such as the following example:

Assume a station user dials 12025551212 (Washington D.C. area), and further assume that the

system has an FX line to the Washington D.C. area and ARS will route the call over it. ARS will

delete the 1202 prefix and only dial 5551212 because the FX line does not require the prefix

numbers to complete the call. Field maximum: 20 digits.

64 – Understanding the Features

GCA40–242 General Description

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Comdial FX Series Especificaciones Pagina 68

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Comdial FX Series Especificaciones Pagina 68

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