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Chapter 1
Cisco Unified Videoconferencing 3515 MCU Functionality
Table 1-1
Feature
Seamless
interoperability
Intuitive web-based
management and
control
Supported protocols
Audio transcoding
codecs
OL-11897-01
Summary of Cisco Unified Videoconferencing 3515 MCU Features (continued)
Description
The Cisco Unified Videoconferencing 3515 MCU is built on the strong
foundation of the Cisco H.323 and SIP software, ensuring full compliance
and unmatched interoperability with IP and ISDN networks.
The MCU enables H.323, SIP and SCCP devices to participate in the same
conference session.
When used with the Cisco Unified Videoconferencing 3500 Gateway, the
MCU also enables ISDN and V.35 wireless devices to participate in the same
conference session.
Both the Cisco Unified Videoconferencing 3515 MCU system and actual
conference sessions are managed, configured, and dynamically modified
through an intuitive, web-based interface that offers easy, high-level
conference control and administrative flexibility for an enhanced user
experience.
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)
•
T.120
•
H.320 (when using a gateway)
•
Note
•
G.711 A/µ Law
•
G.722
•
G.722.1
G.723.1
•
G.728
•
G.729 A and B
•
Installation and Upgrade Guide for Cisco Unified Videoconferencing 3515 MCU12 and MCU24 Release 5.1
The Cisco Unified Videoconferencing 3515 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.
Main Features of the 3515 MCU
1-3
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