OM Series IP Telephony System Administrator Manual
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5
Multi-site Telephony Network
Devices installed in one or multiple sites can be interconnected for the following purposes:
Expanding the capacity of the facility;
Making direct and free inter-site calling and making outbound call to PSTN via trunks on other
devices.
5.1 Multi-site Network with Simple Dialing Scheme
In this simple form of multi-site network, inter-site calls are made by dialing the called party’s extension
without extra prefix digits. The dialing plan of this scheme is simple and straightforward, and therefore, it
is suitable to applications in which multiple devices are stacked to expand the port capacity , and it is also
suitable to form a private network of headquarter and its branch offices. The multi-site network with
simple form requires a carefully designed numbering plan for each device to avoid potential number
conflicts.
The configuration of multi-site network with simple form includes the configurations of the device on the
managing site and the devices on regular sites. The device list of the multi-site network is maintained by
the device on the managing site, which distributes the device list to the devices on the regular sites,
illustrated as below.
The configuration on the managing site
Step1
Select multi-site network form
Go to the
Multi-site
page and select
Simple
as the scenario. See Figure 5-1.
Figure 5-1 Multi-site scenarios
Step2
Enable auto discovery of devices
