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Defining AVC-Based Conference Profiles
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Sending Text Messages During a Conference Using Message Overlay
The Message Overlay option in the Conference Profile allows the operator or administrator to send text
messages to a single participant, a number of selected participants or all participants during an ongoing
conference.
The number of characters that can be included in a message varies according to the language and can differ
due to the type of font used. For example, the available number of characters in Chinese is 50 (32 for
Collaboration Server 1800) for English and 50 (48 for Collaboration Server 1800) and for Russian.
The message can be set to be displayed at various positions on the screen in different colors, static or
scrolling.
Guidelines
● Text messaging using Message Overlay is supported in:
MPMx and MPMRx Card Configuration Modes
Continuous Presence (CP) conferences
Same Layout mode
Encrypted conferences
Unicode or ASCII characters
● Text messages using Message Overlay cannot be displayed:
In Video Switching (VSW) conferences.
In Lecture Mode
When the PCM menu is active
On endpoints that have their video suspended
● Text messaging using Messages Overlay can be enabled, disabled or modified (content and display
parameters) during the ongoing conference.
● 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 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 Content or display characteristics (position, size, color and speed)
are immediately visible to all participants. When there is a current Message Overlay:
In some languages, for example Russian, when a large font size is selected, both rolling and static
messages may be truncated if the message length exceeds the resolution width.