IP8540 User Guide
∙
: Indicates user presence information (Green indicates “Available”, Amber indicates “Away”, Green & Amber indicates “Inactive”, and Red indicates “Busy” or “Active Call”)
∙
:
∙Volume up/down button
: Increases and decreases the volume for the ringer, handset, and loudspeaker.
∙Mute microphone
: Disable or enable audio input
∙Speakerphone button
: Activate or deactivate speakerphone
∙Headset button
: Activate or deactivate headset audio
∙Finger reader
: Allows you to log on to your IP8540 with the touch of your finger
∙Help
: Displays context sensitive help
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