VBrick Systems VB6000 Series, Руководство по началу работы

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26 © 2008 VBrick Systems, Inc.
training tapes and pre-recorded VHS tapes. Since the Session Advertisement Protocol, or
SAP, containing the name of each program are small and are only sent periodically, they have
practically little or no impact on the network bandwidth.
Two-Way Interactive Conferencing
For two-way interactive conferencing applications, appropriate audio conference equipment
such as amplifiers, microphones, and echo control equipment is required. Contact VBrick for
accessories. VBrick 6200's enable automatic two-way television via IP unicast. Each VBrick in
the network automatically announces its "name" to other VBricks in the network and displays
a conference guide on a TV screen. The conference guide indicates who is available for a
conference. It is only necessary to select from the list of names to establish a two-way video
communications.
These illustrations show how the conference system works. In the example, two VBricks are
connected to an IP network, with each VBrick assigned a Calling Name. Each VBrick sends
its name, along with IP Address information, onto the network. Each VBrick also receives a
list of available names from the network. Using the IR Remote Control, each VBrick can see
a list of the available names, plus whether they are free or busy. To place a call, select the
party and when the call is answered, a two-way, private, unicast video conference is
established.