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The agent clicks the Activate Channel button located at the top of the channel display screen
MediaBar sends the channelgroup.request.activate request including any applicable channel options. See the Client Connectivity documentation for details about the request and its contents
For each channel
HIS activates the channel and the state of the channel is updated and generates the appropriate events
If an error occurs during activation, this flow ends and EF 1 - Activation Failure is executed
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