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BCM 4.0 Networking Configuration Guide
Chapter 34
Private networking: Using shared line pools
Using shared line pools is a powerful and efficient way to create a coordinated dialing plan for a
small network. If the BCM systems are close to each other geographically, you can conserve
resources by not duplicating long-distance access. For example, system A, B, and C are all within
the same area code. System A has a line pool to Santa Clara, System B has a line pool to Montreal,
and system C has a line pool to Miami. A BCM user in system A can reach Miami by calling
system C and using their line pool to Miami.
To simplify access between BCM systems, all line pools that go to the same destination should
have the same line pool access code. For example, system A and system B both have a line pool to
Ottawa. You can configure both systems with the same line pool access code for the Ottawa line
pool.
A dialing plan similar to the one in Figure 120 allows you to create a company directory that uses
line pool access codes and unique DNs of a uniform length.
In this example, the person on system A at telephone 234 can press an intercom button and
dial 7434.
This means that telephone 234 has dialed the line pool access code of the trunk to system C, and
will receive the dial tone of system C. The digits 434 then map to the Private received number 434,
and ring telephone 434 with an appearance of the associated target line.
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