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Operations Guide 930370M CyberData Corporation

Installing the VoIP Indoor Intercom with Keypad (Flush-Mounted)

Parts List

2.3.9 Configure the Multicast Parameters

Multicast groups use multicasting to create public address paging zones. Multicasting is based on

the concept of a group. Multicast addresses specify an arbitrary group of IP hosts that have joined

the group and want to receive traffic sent to the group. Group members send IGMP messages to

their local multicast routers, allowing the group traffic traversal from the source.

Multicast configuration provides the ability to join up to 10 paging zones. A paging zone can consist

of one, or many, CyberData multicast group-enabled devices. There is no limit to how many devices

can be in a given paging zone. Each multicast group is defined by a multicast address and port

number. Each multicast group is also assigned a priority, allowing simultaneously arriving pages to

be serviced based on importance. Multicast groups are compatible with IGMP through version 3.

The Intercom supports simultaneous SIP and Multicast.

1. Click on the Multicast Configuration button to open the Multicast Configuration page. See

Figure 2-19.

Figure 2-19. Multicast Configuration Setup

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CyberData 011123x Spécifications Page 51