MERLIN LEGEND Communications System Release 6.1
Feature Reference
555-661-110
Issue 1
August 1998
Applications
Page I-67Videoconferencing
I
Group video systems are often integrated in a mobile roll-about console that can
be wheeled easily into a conference room or executive office prior to a scheduled
videoconference call. Alternatively, the components can be built into a
videoconference room.
Older group videoconferencing systems use V.35 interfaces, requiring two ISDN
terminal adapters or an inverse multiplexor (IMUX); these components are
sometimes included with the systems. Newer group videoconferencing systems
use ISDN/BRI interfaces and include data communications equipment.
Desktop Videoconferencing 67
Desktop videoconferencing allows video calls, data transfer, and screen-sharing
between two PCs equipped with compatible hardware and software. Most
systems provide extensive menu- and mouse-driven interfaces with options for
call control. Desktop videoconferencing systems use ISDN/BRI interfaces.
With standalone configuration, only the desktop video system is attached to the
MLX port. The desktop video system always has full access to two B-channels in
its connection to the MERLIN LEGEND Communications System. Therefore, it
always has the capability to make and receive 2B data video calls.
Mode Differences 67
Key Mode 67
In Key mode, a video workstation can be set up for inside video only, outside
video only, or both inside and outside video. To place and receive calls in this
mode, a video workstation uses personal lines or intercom lines programmed for
the MLX adjunct extension. Program and then make calls as follows:
â– Inside and Outside Video
— To make an
outside
call, enter the Idle Line Access code (usually ) and
the telephone number; repeat this step for the second call. Or, enter the
line number (for example, 808) of an outside line assigned to the adjunct
extension; repeat this step for the second call, using another assigned
line number.
— To place an inside call to a videoconferencing workstation programmed
for 2B data, enter the MLX adjunct extension number for the video
system twice. If you are calling a V.35 group videoconferencing system,
enter a different MLX adjunct extension number for each call.
â– Inside Video Only. Outside lines should not be assigned to the adjunct
extension(s). To place an inside call to a videoconferencing workstation
programmed for 2B data, enter the MLX adjunct extension number for the
video system twice. If you are calling a V.35 group videoconferencing
system, enter a different MLX adjunct extension number for each call.
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