Polycom® RealPresence Collaboration Server (RMX) 1500/2000/4000 Administrator’s Guide
4-62
Polycom, Inc.
If MLA was managing the Telepresence layouts, when
Content
ends, control of the layouts
for legacy endpoints goes back to the MLA after a short time.
Multiple Cascade Links
Multiple Cascade Links
enable
Cascading
between RMXs hosting conferences that include
Immersive Telepresence
Rooms
(
ITP
)
such as
Polycom’s OTX
and
RPX Room Systems
.
In previous versions the video stream of only one of the
ITP
endpoints could be sent to the
remote RMX.
Guidelines
•
Multiple Cascade Links
are implemented by creating a
Link Participant
which
consists of a
main link and sub-links which are automatically generated and sequentially numbered.
For more information see "
Creating a Link Participant” on page
4-66
.
•
All cascaded links must use H.323 protocol.
•
Multiple Cascade Links
are supported with
MPMx
and
MPM
+ cards.
•
Multiple Cascade Links
are supported in
CP
conferencing mode.
•
The number of cascading links is defined manually according to the maximum number
of Room System cameras in the cascaded conference.
•
When the active speaker is in an Immersive Telepresence Room,
Multiple Cascade Links
are used, one link for each of the Room System’s
cameras.
—
An RPX 4xx Room System requires 4
Cascaded Links
to carry the video of its 4
cameras.
—
An RPX 2xx Room System requires 2
Cascaded Links
to carry the video of its 2
cameras.
—
An OTX 3xx Room System requires 3
Cascaded Links
to carry the video of its 3
cameras. The OTX Room System must be configured as
Room Switch
in order to
send multiple streams. When configured in
CP
Mode
, its cameras zoom out and all
3 screens are sent as one stream.
•
The number of links is defined when creating the
Link Participant
. Each conference in
the cascade must have a
Link Participant
with the same number of
Multiple Cascade Links
defined. Calls from
Link Participants
not defined with the same number of links are
rejected.
Number of cascading links is not identical for all conferences
is listed as the
Call
Disconnection Cause.
For more information see "
Creating a Link Participant”
on page
4-66
and "
Monitoring Multiple Cascade Links”
on page
4-68
.
•
Although it is possible to disconnect and reconnect specific
Multiple Cascade Links
using
the
RealPresence Collaboration Server Web Client
/
RealPresence Collaboration Server
Manager
it not advisable to do so.
—
If the main link is disconnected all sub-links are disconnected and deleted.
Reconnecting the main link reconnects all sub-links.
—
If a sub-link is disconnected it remains disconnected until it is manually
reconnected.
—
The number of
Multiple Cascade Links
cannot be modified while any of the links
are
in a disconnected state. All previous links must be deleted before modification is
possible.
For more information see "
Monitoring Multiple Cascade Links”
on page
4-68
.
•
A
Link Participant
can be dragged from the address book into a conference.
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