Cisco ISDN GW 3241 Bedienungsanleitung PDF herunterladen (Seite 44)

MCU administration

The ability to define how to access a gateway should not to be confused with our ISDN Gateway which is a

protocol converter as well as a call director.

Cascading MCUs

If you require a dial out scheduled conference with more than 40 participants, multiple MCU units can be

cascaded together. This would lose two ports for each cascade, providing a total of 78 ports. Also some

functionality would be lost between the cascade - such as the ability to choose the layout on the second

MCU if you are connected to the first. It is possible to set up the units so they can automatically cascade

together as part of a scheduled conference: one can automatically dial the other and join a conference and

set the correct layout to send between the units. For best results the cascaded MCU should be displayed in

the largest pane.

Load balancing MCUs

Dial-in ad hoc conferences can be load balanced using a gatekeeper with a "round robin” mode. If you have

two MCUs of the same size that are both registered with the same gatekeeper with the same prefix, then

ad-hoc conferences will be assigned to one or other MCU, balancing the load between them. See the online

help topic “Configuring Global Conference Settings”.

For more information about using a gatekeeper see Chapter 11‚ “Using a gatekeeper”.

Sending messages during a conference

You can send messages to one participant in a conference or to all of them simultaneously. The message can

be up to 256 characters long and you can set the time for which the message will overlay each participant’s

view.

 To send a message to one participant: go to Conferences, select a participant and then click on the

Send message tab. See the online help topic “Sending a message to an individual participant”

 To send a message to all participants, go to Conferences > Send message. See the online help topic

“Sending messages to all participants”

Adding an H.239 content channel to the conference will take a port on each MCU rather than

one for the entire conference and therefore the maximum number of participants would be

reduced by two.

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Cisco ISDN GW 3241 Bedienungsanleitung Seite 44