54
TANDBERG Videoconferencing System
Advanced use
MCU services
A Multipoint Control Unit (MCU) enables several sites to participate in the same conference.
An MCU conference can have different modes:
Voice Switched
means that the image of the person currently speaking will be broadcast to all the other
conference participants. This will remain the case until another participant starts to speak.
Continuous Presence
shows several participants on the same screen at the same time.
Chairman Control
functionality enables one participant to control the meeting by selecting which of the
conference participants is to be broadcasted to the other participants.
T
HIS
SYSTEM
HAS
AS
AN
OPTIONAL
BUILT
-
IN
MCU, M
ULTI
S
ITE
,
WHICH
SUPPORTS
UP
TO
3
VIDEO
CALLS
(4
SITES
)
AND
ONE
TELEPHONE
CALL
. T
HE
M
ULTI
S
ITE
SUPPORTS
BOTH
V
OICE
S
WITCHED
AND
C
ONTINUOUS
P
RESENCE
MODE
,
SEE
SECTION
‘M
ULTI
S
ITE
’.
The system can also control external MCUs in a very flexible manner using the functions described below.
D
URING
AN
MCU
CONFERENCE
,
A
STATUS
LINE
WILL
PROVIDE
INFORMATION
ABOUT
THE
CONFERENCE
. T
O
REMOVE
THIS
STATUS
LINE
,
SELECT
‘
U
TILITIES
’, ‘
MCU S
TATUS
L
INE
: O
FF
’.
