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Making Outside Calls Across the Network

Routing Outside Calls in the Same Locality

Installers can provision the network with outside lines connected only between the hub and the service provider.

Often this is the orientation used when the networked systems are all at the same site or in the same geographic

location or calling area. Outside calls that users make from both the hub and the nodes route through the hub and

onto the service provider’s lines connected to it.

Whenever outside line calling is involved, the line pooling aspect of system-to-system networking comes into

play. Refer to the paragraph titled Understanding the Pooled Lines Network Feature on page 16 in this

publication for a detailed discussion of this feature.

Features – 9

Installing and Using System-to-System Networking IMI89–280

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Group connecting link channels 1-23 into line group 15.

Enter (match any) symbol in ARS restriction table.

Assign @ entry to ARS route table 2.

Define ARS route table 2 to use to use line group 15.

Connect node 1 channels to hub channels 1-23.

Connect node 2 channels to hub channels 24-46.

Group CO toll lines in line group 1.

Group CO local lines in line group 2.

Enter in ARS restriction table.

Assign 1@ entry to ARS route table 2.

Define ARS route table 2 to use line group 1.

Enter in ARS restriction table.

Assign @ entry to ARS route table 3.

Define ARS route table 3 to use line group 2.

When extension 2000 dials 9 for ARS and then dials local call 978-2200, node 1 sends the call out over one

of the 23 channels in its line group 15 that is connected to the hub. The hub receives, processes,

and sends the call out over its line group 2 that contains local lines from the CO.

The network handles outside local calls made from extension 3000 in the same way.

When extension 2000 dials 9 for ARS and then dials toll call 1-804-978-2200, node 1 sends the call out over

one of the 23 channels in its line group 15 that is connected to the hub. The hub receives, processes,

and sends the call out over its line group 1 that contains toll lines from the CO.

The network handles toll calls from extension 3000 in the same wa

Hub Preparation

Local Calls

Toll Calls

Node 1 has one DXNET board

in slot 1 providing channels 1-23

that are linked to hub.

Ext. 2000

Area Code

804

Hub

System

Ext. 1000

Area Code

804

Node

System

Ext. 3000

Area Code

804

Node

System

Link Link

Node 2 has one DXNET board

in slot 1 providing channels 1-23

that are linked to hub.

Hub has two DXNET boards

in slots 1 and 2 providing

channels 1-23 that are linked

to node 1 and channels 24-46

that are linked to node 2.

Service Provider

Central Office

(CO)

Hub has two line groups connected

to the CO. Line group 1 for toll calls

and line group 2 for local calls.

Toll

Lines

Local

Lines

Typical Example:

Note:

Examples:

The entry in the ARS tables should match

entire telephone numbers.

1@@@@@@@@@@

1411

911

0P (operator)

2@@@@@@ (local)

Node Preparation

Routing Outside Calls in the Same Locality

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