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Polycom® RealPresence Collaboration ServerVirtual Edition Administrator’s Guide
2-58 Polycom, Inc.
Message Overlay for Text Messaging
Message Overlay allows the operator or administrator to send text messages to a single,
several or all participants during an ongoing conference.
The text message is seen as part of the in the participant’s video layout on the endpoint
screen or desktop display.
Guidelines
• Message Overlay messaging is supported in:
— Continuous Presence (CP) conferences
— in Same Layout mode
— in encrypted conferences
• Messages Overlay can be enabled or disabled during the ongoing conference.
•Text messages Content can be changed on the fly during the ongoing conference.
• Message Overlay text messages are supported in Unicode or ASCII characters.
• The number of characters for each language can vary due to the type of font used, for
example, the available number of characters for Chinese is 18, while for English and
Russian it is 48.
•In an Event Mode conference with Lecture Mode enabled, only the Lecturer can see the
Message Overlay text, while other participants on the lecturer's level cannot. Participants
on other levels can see the Message Overlay text.
— In some languages, for example Russian, when large font size is selected, both
rolling and static messages may be truncated if the message length exceeds the
resolution width.
• Changes to the Message Overlay display characteristics (position, size, color and speed)
are immediately visible to all participants.
• Changes to the Message Overlay Content are immediately visible to all participants.
When there is a current Message Overlay:
— The current message is stopped immediately.
— The Display Repetition count is reset to 1.
— The new message Content is displayed <Display Repetition> times or until it is
stopped and replaced by another Content change.
•If a Repeating Message is modified before it has completed all its repetitions, it is changed
immediately without completing all of its repetitions. The modified Repeating Message is
displayed starting with repetition one.
• Message Overlay messaging is not supported in Lecture mode.
• If during the ongoing conference the Show Number of Participants DTMF option
(default DTMF *88) is used, when the displayed number of participants is removed, the
message overlay text is also removed.
Overlay
Message Overlay