Chapter 2-Conference Profiles
Polycom, Inc. 2-81
•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.
• Participants that have their video suspended do not receive Message Overlays messages.
•Message Overlay text messages cannot be sent via the Content channel.
•Message Overlay messages are not displayed when the PCM menu is active.
•Message Overlay text settings are not saved in the Conference Template when saving an
ongoing conference as a Conference Template.
• Sending text messages using Message Overlay can be enabled or disabled during the
ongoing conference. For more details, see the Polycom RealPresence Collaboration Server
(RMX) 1500/2000/4000 Getting Started Guide, "Sending Text Messages to All Participants
Using Message Overlay (AVC-based Conferences)” on page3-63.
• Text messages can be sent to individual or several participants during the ongoing
conferences. For more details, see the Polycom RealPresence Collaboration Server (RMX)
1500/2000/4000 Getting Started Guide, "Sending Messages to Selected Participants Using
Message Overlay” on page 3-70.
For a detailed description of the Message Overlay parameters, see "New AVC CP Profile -
Message Overlay Parameters” on page2-5 5.