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Installation and Upgrade Guide for Cisco Unified Videoconferencing 3545 MCU Release 5.1
OL-11899-01
Chapter 1 Cisco Unified Videoconferencing 3545 MCU Functionality
About Cisco Unified Videoconferencing 3545 MCU Architecture
About Cisco Unified Videoconferencing 3545 MCU Architecture
The Cisco Unified Videoconferencing 3545 MCU enables both voice-only and video conference calls
for H.323, SIP, H.320, SCCP and regular PSTN network telephones. H.323 and SIP devices can connect
to a conference directly through the Cisco Unified Videoconferencing 3545 MCU. Other devices such
as voice telephones and video conferencing terminals (H.320) can connect to a conference via a gateway,
such as the Cisco Unified Videoconferencing 3545 Gateway.
Figure 1-1 Supported Devices and Protocols
The Cisco Unified Videoconferencing 3545 MCU supports devices that can send and receive video
streams, as well as those that cannot send but only receive video streams. This means that terminals
without a video camera or video capturing capabilities can participate in a conference as voice-only
participants while benefiting from seeing the other participants.
157148
IP
IP - H323. MCU, Gateway ISDN - H323.
3G - H324.MSIP