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Polycom, Inc. 109
Configure Closed Captioning
You can provide real-time text transcriptions or language translations of the video conference by displaying
closed captions on your system. When you provide captions for a conference, the captioner may be present,
or may use a telephone or web browser to listen to the conference audio. When the captioner sends a unit
of text, all sites see it on the main monitor for 15 seconds. The text then disappears automatically.
Closed captions are supported between RealPresence Group systems with software version 4.1.3 or later,
including a RealPresence Group system hosting a multipoint call, HDX systems with any software version,
and Polycom VSX
®
systems with software version 7.0 or later.
Captions may be provided in any language that uses the Latin alphabet.
Depending on the capabilities of the system, the captioner may enter caption text using one of the following
methods:
● Remotely, through a dial-up connection to the system’s serial RS-232 port
● In the room using equipment connected directly to the serial port
● In the room or remotely, using the RealPresence Group system web interface
Through a Dial-Up Connection to the System’s RS-232 Serial Port
Closed captioners can provide captions from inside the conference room, or from a remote location, via a
dial-up connection to the serial port of the Polycom RealPresence Group system, as shown in the following
diagram.
Closed captioning through a dial-up connection
Ref.
Number
Description
1 Stenograph machine
2 PC with computer-aided transcription software
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