Cisco Systems 6921 manual Phone Screen

12	Mute button	Toggles the microphone on or off. When the microphone is muted, the
		button is lit.
13	Volume button	Controls the handset, headset, and speakerphone volume (off-hook)
		and the ringer volume (on-hook).

14	Messages button	Auto-dials your voice messaging system (varies by system).
15	Applications button	Opens/closes the Applications menu. Use it to access call history, user
		preferences, phone settings, and phone model information.
16	Contacts button	Opens/closes the Directories menu. Use it to access personal and
		corporate directories.

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Handset

Phone handset.

Phone Screen

1	Header	Displays date, time, and directory number.
2	Line details and other phone	During a call, displays details for the active line. If not on a call,
	information	displays line text label and other information such as placed
		calls, speed dials, and phone menu listings.
3	Softkey labels	Display softkeys for available features or actions.

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