Chapter 5-Cascading Conferences
Polycom, Inc.
5-3
Flags Controlling Cascade Layouts
•
Setting the
FORCE_1X1_LAYOUT_ON_CASCADED_LINK
_CONNECTION
System Flag
to
YES
(default) automatically forces the cascading link to
Full Screen (1x1) in CP conferences, hence displaying the speaker of one conference to a
full window in the video layout of the other conference.
Set this flag to
NO
when cascading between an RMX and an MGC that is functioning as
a Gateway, if the participant layouts on the MGC are not to be forced to 1X1.
•
Setting the
AVOID_VIDEO_LOOP_BACK_IN_CASCADE
System Flag
to
YES
(default) prevents the speaker’s image from being sent back through the participant
link from the cascaded conference. This can occur in cascaded conferences with
conference layouts other than 1x1. It results in the speaker’s own video image being
displayed in the speaker’s video layout.
This option is supported with:
—
With
MPM
+ and
MPMx
cards.
—
In
H.323, SIP
and
ISDN
environments.
—
For
Basic Cascading
of
Continuous Presence,
and
Video Switched
conferences. If a
Master MCU
has two slave MCUs, participants connected to the slave MCUs will
not receive video from each other.
—
Video resolution will be according to the
Resolution Configuration
,
Event Mode
Setting
, or
VSW
profile.
For more details on defining system flags, see "
Modifying System Flags”
on page
21-1
.
DTMF Forwarding
When two conferences are connected over an IP link, DTMF codes from one conference are
not forwarded to the second conference with the exception of the following operations that
are available throughout the conference and the forwarding of their DTMF codes is not
suppressed (i.e. they will apply to both conferences):
•
Terminate conference.
•
Mute all but me.
•
Unmute all but me.
•
Secure conference.
•
Unsecure conference.
Play Tone Upon Cascading Link Connection
The RMX can be configured to play a tone when a cascading link between conferences is
established. The tone is played in both conferences.
This tone is not played when the cascading link disconnects from the conferences.
The tone used to notify that the cascading link connection has been established cannot be
customized.
The option to play a tone when the cascading link is established is enabled by setting the
System Flag
:
CASCADE_LINK_PLAY_TONE_ON_CONNECTION
to
YES
.
Default value:
NO
.
During cascading between a gateway and a conference
all
DTMF codes are forwarded from the
gateway to the conference and vice versa.
Содержание RealPresence 2000
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