Cisco 3515 MCU12 - Manual (Page 22)

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Installation and Upgrade Guide for Cisco Unified Videoconferencing 3515 MCU12 and MCU24 Release 5.1
OL-11897-01
Chapter 1 Cisco Unified Videoconferencing 3515 MCU Functionality
About Cisco Unified Videoconferencing 3515 MCU Topologies
Figure 1-3 Cascaded Conference
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MCU
Site 1 Site 2
Headquarters
MCU MCU