2.8 Automatic Route Selection (ARS) Features2.8.1 Automatic Route Selection (ARS)DescriptionARS automatically selects the carrier available at the time an outgoing trunk call is made according topreprogrammed settings. The dialled number will be checked and modified to connect the appropriate carrier.[Carrier Selection Procedure Flowchart]The numbersX in the flowchart correspond to the [Programming Procedures] on the following pages.NoNo (Normal Trunk Access)NoNoYesIs the ARS mode ( ) enabled?A trunk call is made.Sends areorder tone.Sends abusy tone.Checks the Routing Plan Table ( )to determine which carrier to use.Modifies the dialled number byremoving the digits ( ) andfollowing the modify commands ( ).Sends the modified numberto the trunk.YesNoIs the carrier ( ) found in theappropriate time block ( )?YesIs the dialled number found in theLeading Number Exception Table ( )?NoYes(default)Yes Is normalTrunk Accessallowed?Because alltrunks are busy?1YesIs the dialled number found in theLeading Number Table ( )?56NoIs there an availabletrunk group ( )?Yes11129243Sends thetelephone numberby the Idle LineAccess.Sends the telephonenumber to the user-selected carrier.[Programming Procedures]1. ARS Mode1 Assignment144 Feature Guide2.8.1 Automatic Route Selection (ARS)
