| The simplest form of videoconferencing is
| |
| | times, much like the television show
|
| a point-to-point call, one person
| |
| | Hollywood Squares.
|
| contacting another person via the
| |
| | Interesting as Continuous Presence is, it
|
| Internet. This basic level of
| |
| | is not the default mode for multipoint
|
| videoconferencing is similar to making a
| |
| | videoconferencing. The default mode is
|
| phone call with a picture phone.
| |
| | Voice-Activated Switching, or VAS. In VAS
|
| Multipoint videoconferencing occurs when
| |
| | a multitude of sites are connected and
|
| three or more locations connect
| |
| | the person all views speaking. This
|
| simultaneously, much like a three-way
| |
| | should bring to mind the image of a
|
| phone conversation only the logistics are
| |
| | newscaster or spokesperson on standard
|
| much more complex.
| |
| | television.
|
| To begin understanding the complexity of
| |
| | An important point in the VAS mode is
|
| multipoint conferencing one must enter
| |
| | that although the transmission focus will
|
| the domain of technology and begin with
| |
| | be on the one who is speaking, anyone and
|
| ISDN. ISDN means simply Standards for
| |
| | everyone connected to the videoconference
|
| Integrated Services Digital Network, a
| |
| | can change the view. Remember the term is
|
| high quality, switched digital
| |
| | voice-activated. If someone coughs or
|
| communications service that gives your
| |
| | sneezes, the camera recognizes them. In
|
| standard phone line the ability to
| |
| | VAS multipoint videoconferencing it is
|
| transmit voice and data simultaneously.
| |
| | very important to mute your microphone
|
| You can use the same line for regular
| |
| | until it is your turn to speak.
|
| telephone service, faxing, computer
| |
| | There are yet other modes of transmission
|
| communication, or even live
| |
| | for a multipoint videoconference. These
|
| videoconferences. Each of these
| |
| | are Chair Control, Lecture Mode, and
|
| applications requires suitably equipped
| |
| | Broadcast with Autoscan. In Chair Control
|
| customer-provided equipment. ISDN
| |
| | and Lecture Mode the presenter is seen
|
| transmissions are significantly faster
| |
| | full-screen by all sites at all times,
|
| than using a modem. Think of ISDN as a
| |
| | even if a speaker at another site speaks.
|
| high-tech phone line.
| |
| | This mode is used primarily with distance
|
| The next essential ingredient in a
| |
| | learning, when the situation requires
|
| multipoint conference is the bridge. This
| |
| | that students always see the presenter
|
| is a multipoint control unit known as
| |
| | rather than speakers at other remote
|
| MCU, the component that manages the
| |
| | sites.
|
| videoconferences when of three or more
| |
| | Broadcast with Autoscan means only the
|
| participants are involved.
| |
| | director or presenter is able to view all
|
| An MCU can support some or all of the
| |
| | the remote sites while the remote sites
|
| following: audio-only calls, video calls
| |
| | can see the video that is being
|
| at various video bandwidths, video calls,
| |
| | broadcast. This becomes even closer to a
|
| data sharing, continuous presence,
| |
| | television broadcast via the Internet.
|
| cascaded calls, a conference call web
| |
| | This mode is preferred for
|
| page and component stacking. Component
| |
| | videoconference presentations and
|
| stacking can remain in the technicians
| |
| | seminars, when audience response is not
|
| domain but continuous presence deserves
| |
| | anticipated or required and unlike a
|
| attention by anyone who would understand
| |
| | television broadcast, a multipoint
|
| multipoint videoconferencing.
| |
| | videoconference in broadcast with
|
| Continuous presence, also know as the CP
| |
| | Autoscan mode allows the director or
|
| Mode is when all sites in the
| |
| | presenter to view the audience and watch
|
| videoconference can be seen at the same
| |
| | for response.
|
| time on the far end monitors. Those
| |
| | In todays computer world most multipoint
|
| involved in the videoconference will see
| |
| | videoconferencing systems have built-in
|
| themselves (or any data that they
| |
| | bridges which allow you to connect to
|
| present) on their right hand monitor
| |
| | multiple sites just as you would in a
|
| while at the same time they can see
| |
| | point-to-point call Even more
|
| themselves and everyone else on the
| |
| | advantageous is the rise in technology to
|
| screen.
| |
| | include built-in gateways. A gateway is a
|
| Continuous presence is often used when
| |
| | network point acting as an entrance to
|
| presentation is required. As you can see,
| |
| | another network. This allows
|
| multipoint videoconferencing with
| |
| | communication across any set of
|
| continuous presence activated can be very
| |
| | interconnected networks.
|
| effective for business or hospital
| |
| | This means the World-Wide-Web is now
|
| transmission. Another way of looking at
| |
| | available for anyone interested in a
|
| CP is seeing each site in a split screen
| |
| | multipoint videoconference.
|
| format on the display monitor at all
| |
| |
|
