Message Networking supports a bridging feature in which Message
Networking is used to transmit messages to or from remote machines
designated as bridged machines. With this feature, Message Networking
no longer acts as a hub for all message activity between remote
machines in the network. Instead, Message Networking only allows
messages to pass between two remote machines when one of the remote
machines is designated as a bridged remote machine. Any attempts
to send messages directly between nonbridged remote machines fail.
This document provides two sample Message Networking bridged networks:
- A system in which Modular Messaging systems are bridged to a
network.
- A system in which a Unified Messenger system is bridged to a
network.
Sample 1: Bridged Modular Messaging systems
The following figure depicts a sample Message Networking bridged
network in which two Modular Messaging systems are administered
as bridged systems. The systems on the left side of the dotted line
(the two MM systems are designated as bridged systems. The systems
on the right side of the dotted line are remote machines in the
network that are not designated as bridged systems. The straight
lines indicate the message paths that are supported.

In this configuration:
- A message sent from one of the Modular Messaging systems to
the INTUITY AUDIX through Message Networking is delivered because
the Modular Messaging system is designated as a bridge.
- A message sent from the INTUITY AUDIX to the Octel 250/350 through
the Message Networking bridge fails with a “sending restrictions”
error code because neither the INTUITY AUDIX and Octel 250/350
systems are not bridged systems.
- A message sent directly from the Octel 200/300 to the Octel
100 is delivered because the message is not sent through the Message
Networking system and those system can communicate directly via
Octel Analog.
Sample 2: Bridged Unified Messenger system
The following figure depicts a sample Message Networking bridged
network in which one Unified Messenger system is administered as
a bridged system. The system on the left side of the dotted line
(the UM system) is designated as a bridged system. The systems on
the right side of the dotted line are remote machines in the network
that are not designated as bridged systems. The straight lines indicate
the message paths that are supported.

In this configuration:
- A message sent from the UM to the Octel 250 through Message
Networking is delivered because the UM system is designated as
a bridge.
- A message sent from the INTUITY LX to the Serenade 300 through
the Message Networking bridge fails with a “sending restrictions”
error code because neither the INTUITY LX and Serenade 300 systems
are not bridged systems.
- A message sent directly from the Octel 200/300 to the Octel
100 is delivered because the message is not sent through the Message
Networking system and those system can communicate directly via
Octel Analog.
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