Maintenance Manual

In this situation, the text typed by content channel streaming viewers is overlaid on the normal, multi-pane,
conference layout, though restricted to approximately the lowest 1/3 of the screen.
For streaming viewers to have the option of contributing and/or reading text messages, the View content channel
option must be selected. This option is one of the advanced streaming options available to users when they select
to stream a conference.
The display of text chat in endpoints' views is governed by the unit-wide/blade-wide Content channel text chat
option which is an Overlaid text setting on the Settings > Conference page. The text chat facility itself, and display
of typed text to all content channel streaming viewers' windows, cannot be disabled.
Web Conferencing Feature Key
Some of the above content channel features require the MCU to have been configured with the Web conferencing
feature key.
The following features are only available with the Web conferencing key:
■ Streaming the content channel to users' desktop machines as a separate window (rather than as a pane in the
conference view)
■ Markup of content channel video
■ Text chat
Port Usage
Port Reservation Mode
Cisco TelePresence MCU 4200 Series and Cisco TelePresence MCU 5300 Series
If the MCU is operating in reserved mode, enabling content for a conference requires the use of an additional video
port. A single video port is needed for all content channel operations, irrespective of how many viewers there are; for
example, a conference involving five video endpoints (one of which is contributing a content stream and the other
four viewing it) will require six video ports - Video ports to reserve should be set to 5, and Content channel video set
to "Enabled" in this specific example.
In reserved mode, a conference with content enabled will require a video port for content operations even if no
current participants are actively making use of content.
Note that for the Cisco TelePresence MCU 4203, there are separate ports for content and for streaming viewers . For
more information, refer to MCU port matrix.
Cisco TelePresence MCU 4500 Series and Cisco TelePresence MCU MSE 8510
If the MCU is operating in reserved mode, enabling content for a conference does not use a video port; instead,
content uses one of the additional streaming and content ports provided by your MCU. A single streaming and content
port is needed for all content channel operations, irrespective of how many viewers there are; for example, a
conference involving five video endpoints (one of which is contributing a content stream and the other four viewing it)
will require five video ports and one streaming and content port - Video ports to reserve should be set to 5, and
Content channel video set to "Enabled" in this specific example.
In reserved mode, a conference with content enabled will require a content port for content operations even if no
current participants are actively making use of content.
For more information about the number and types of ports provided by your MCU, refer to MCU port matrix.
Unreserved Mode
If the MCU is operating in unreserved mode, enabling content for a conference will require a port to be allocated
when content channel operations are first attempted for that conference. For instance, this could be when a
participant opens a content channel or a user starts viewing the content channel via their web browser. When the
port is no longer needed for the conference's content channel (e.g. when the last remaining participant disconnects)
the port will be released for use by future participants or conferences.
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