Cisco ISDN GW 3241 Bedienungsanleitung Seite 16

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The Codian video conferencing family
10
The MCU is available in a number of models:
Features and benefits of the MCU 4200 series include:
Conference scheduling as standard
Up to 200 conferences can be set up on the unit. The only thing that limits the number of conferences
actually running is the number of ports that are purchased.
One port per participant irrespective of setup. This makes scheduling and provisioning easy because
the port count is constant. There is no reduction in the number of MCU ports even using bandwidths
up to 4MB.
Encoding/decoding on a per user basis and not per conference: you can have any mix of bit rate,
resolution and codec within the same conference - with no loss of port count or functionality. At all
times every user sees the best possible video quality possible for their endpoint and connection. Also
one user's problems with the network do not affect others. This also simplifies conference
configuration because you do not need to know in advance all the characteristics of all endpoints.
Only one port is used for streaming irrespective of how many people join the conference as streaming
participants
The content channel e.g. a slide presentation using the H.239 protocol only uses one port even when
the content is sent to every participant who can receive it
A separate layout is generated for each endpoint. This means that participants can choose one of over
50 different continuous presence layouts to view during a conference without affecting anyone else.
This also means that participants never have to view themselves. (All streaming viewers see the same
layout chosen from the 50 available)
Support for 16:9 screens (wide screens)
On screen text messaging to individuals or to all sites
Support for every standard endpoint including Tandberg, Polycom, Aethra, Sony, Vtel and VCON
endpoints
Table 1: MCU models
Video ports
Additional voice
ports
Concurrent streaming ports
MCU 4205 12 12 60
MCU 4210 20 20 100
MCU 4215 30 30 150
MCU 4220 40 40 200
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