Table of Contents
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Chapter 1
Functionality
Table 1-1
Feature
Supported protocols
Audio transcoding codecs
Unmatched video quality
OL-17013-01
Summary of Cisco Unified Videoconferencing 3545 MCU Features (continued)
Description
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Note
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The Cisco Unified Videoconferencing 3545 MCU delivers
exceptionally high quality video and audio processing, using the
latest industry standards and leveraging upon advanced
software-upgradeable DSP chips. The Cisco QualiVision feature
provides highly improved, standard-based video quality for
networks with packet loss, assuring best video quality at all times.
The Cisco Unified Videoconferencing 3545 MCU achieves the best
video quality by supporting these video capabilities:
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Installation and Upgrade Guide for Cisco Unified Videoconferencing 3545 MCU Releases 5.6 and 5.7
H.323 version 4
SIP RFC 3261 for the Session Initiation Protocol
SCCP
H.243 for conference control
RFC 2833 for in-band DTMF with SIP
H.281 for far end camera control (FECC)
H.235 for IP-based media encryption
H.239 for standard simultaneous transmission of live video and
presentation sharing feeds.
SDP (RFC 3264, 2327)
H.320 (when using a gateway)
The Cisco Unified Videoconferencing 3545 MCU supports
calls from H.323 and SIP endpoints in the same conference.
Call signalling is handled on all ports regardless of the
protocol type.
G.711 A/µ Law
G.722
G.722.1
G.723.1
G.728
G.729 A and B
High definition and standard definition participants in the same
conference.
H.261, H.263 and H.264 in the same conference
A choice of 26 Continuous Presence layouts
Up to 4 Mbps on each stream (capacity affected)
QCIF, CIF and 4CIF in the same conference without affecting
capacity
720p (capacity affected)
VGA, SVGA, XGA (supported for presentation channel only)
Main Features
1-3
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