Avaya BCM 4.0 Networking Configuration Guide download pdf (Page 329)

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BCM 4.0 Networking Configuration Guide

Chapter 31

Public networking: Setting up basic systems

Public networks are the connection between the BCM and the public network (PSTN network).

This following provides examples of two basic types of systems.

• “Public networks: PBX system setup” on page 329

• “Public network: DID system” on page 330

Public networks: PBX system setup

PBX is Short for Private Branch Exchange, a private telephone network used within an enterprise.

Users of the PBX share a certain number of outside lines for making telephone calls external to the

PBX. Dialing within the PBX is typically 3 to 4 digit dialing between local and remote networked

nodes.

This setup is for a larger offices which have fewer CO lines than there are telephones. In this case

the lines are pooled, and the line pool is assigned to all telephones. As well, there is a designated

attendant with a telephone that has all lines individually assigned.

Figure 111 illustrates an example of a PBX system.

Figure 111 PBX system

CO line 1

CO line 2

CO line 3

CO line 4

Lines are assigned to a line pool

Receptionist

Assigned all lines/

appearance and

ring

All telephones

are assigned

access to the line

pool for outgoing

calls

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Avaya BCM 4.0 Networking Configuration Guide Page 329

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