
22 Chapter 1 Introduction
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Figure 1 Network diagram
Business Communications Manager 3.0
The Business Communications Manager 3.0 is a key building block in creating your network. It
interoperates with many devices, including the Meridian 1 system and H.323 devices. In the
diagram shown in Figure 1 on page 22, the Business Communications Manager 3.0 system is
connected to devices through multiple IP networks, as well as through the PSTN. Multiple
Business Communications Manager 3.0 systems also can be linked together on a network of VoIP
trunks and/or dedicated physical lines. Refer to Chapter 6, “Typical network applications using
MCDN,” on page 115.
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LAN B
LAN A
WAN
IP telephone A
NetVision
Router
Gatekeeper
Business Communications
Router
Business Communications
IP telephone B
M1-ITG
H 323 Device B
Meridian set A
I2050 telephone A
Digital telephone A
Manager A
Manager B
Access Point
(H 323 device A)
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